Carrier Access Universal Remote AB II User Manual

Access Bank II  
REMOTE MONITOR USER’S GUIDE  
5395 Pearl Parkway  
Boulder, CO 80301-2490  
fax 303-546-9724  
Part Number 770 - 0099  
Revision: 1.0 6/99  
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Copyright© 1999 Carrier Access Corporation. All rights reserved.  
The information presented in this manual is subject to change without notice and does not represent a  
commitment on the part of Carrier Access Corporation. The hardware and software described herein are  
furnished under a license or non-disclosure agreement. The hardware, software and manual may be used or  
copied only in accordance with the terms of this agreement. It is against the law to reproduce, transmit,  
transcribe, store in a retrieval system, or translate into any medium - electronic, mechanical, magnetic, optical,  
chemical, manual or otherwise - any part of this manual or software supplied with the Access Exchange for any  
purpose other than the purchaser’s personal use without the express written permission of Carrier Access  
Corporation.  
The Carrier Access Logo is a registered trademark of Carrier Access Corporation.  
The information contained in this manual applies to Carrier Access Corporation’s Access Exchange.  
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ii  
The Access Bank II Remote Monitor Users Guide describes how to set up and configure the Access  
Bank II for first-time basic operation using the MS Windows 95/98/NT-based Remote Monitor appli-  
cation installed on a PC.  
The Access Bank II is a family of intelligent T1 voice and data multiplexers, available in the  
following models:  
• Access Bank II  
• Access Bank II SNMP  
• Access Bank II SDSL  
• Access Bank II SNMP SDSL  
• Access Exchange (Access Exchange is not covered in this manual. For  
information about using Remote Monitor with Access Exchange, see the Access  
Exchange Remote Monitor User’s Guide.)  
0.0.1 Access Bank II  
The basic model of the Access Bank II provides dual-port T1 voice and data multiplexing, and is  
equipped with integrated pairs of Channel Service Units (CSUs) and Data Service Units (DSUs). It  
supplies up to 3.072 Mbps of synchronous bandwidth capacity for connecting customer premises  
telecommunications equipment to public and private network DS1 services. A V.35 port for internet  
or router connections may be configured for up to 1.5 Mbps on one T1, while all 24 voice channels  
are terminated on a second T1. A single T1 with a mixture of voice and data can also be used.  
0.0.2 Access Bank II SNMP  
The Access Bank II SNMP offers all of the features of the Access Bank II, with the following  
additional features:  
An embedded Simple Network Management Protocol (SNMP) agent supporting  
MIB-II and standard MIBS for T1 and V.35 via TCP/IP over a 10base-T Ethernet  
connection.  
• A Command Line Interface (CLI) for local or remote management via RS-232 or  
telnet connections.  
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Welcome  
iii  
0.0.3 Access Bank II SDSL  
The Access Bank II SDSL provides T1 voice and data multiplexing, and is equipped with integrated  
Channel Service Unit (CSU) and Data Service Unit (DSU). It supplies up to 1.536 Mbps of  
synchronous bandwidth capacity for connecting customer premises telecommunications equipment  
to public and private network DS1 services. In the place of the second T1, the Access Bank II SDSL  
provides an SDSL port. Some of the benefits of using SDSL are as follows:  
• Because SDSL connections are digital from end to end, the data transfer rates are  
optimized.  
• SDSL connections use standard copper phone wires for connections to routers  
and other data applications.  
0.0.4 Access Bank II SNMP SDSL  
The Access Bank II SNMP SDSL offers all of the features of the Access Bank II, with the following  
additional features:  
• An embedded Simple Network Management Protocol (SNMP) agent supporting  
MIB-II and standard MIBS for T1 and V.35 via TCP/IP over a 10base-T Ethernet  
connection.  
• A Command Line Interface (CLI) for local or remote management via RS-232 or  
telnet connections.  
• Because SDSL connections are digital from end to end, the data transfer rates are  
optimized.  
• SDSL connections use standard copper phone wires.  
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iv  
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Connecting a Modem to the Access Bank II  
for Remote Access ...................................................... ...........................................................1-5  
v
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Connecting Individual Channels ............ .......................................................... 6-2  
vi  
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System Requirements  
Chapter 1  
Getting Started  
1.1 System Requirements  
Minimum PC requirements for operating the Remote Monitor management station are:  
Intel 486 Pentium 100 MHz (minimum) CPU, or compatible  
16MBytes RAM  
10Mbytes available hard disk space  
VGA monitor with 800 x 600 resolution and 16-bit color recommended (640 x 480, 8-bit  
color minimum)  
Windows® 95/98/NT  
Keyboard  
Mouse  
Monitor  
A CD-ROM or 3.5” diskette drive  
1-1  
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1.2 Software Installation  
1.2.1 Installing Remote Monitor  
The Remote Monitor software is designed to operate on the Windows® 95/98/NT environment. It is  
distributed on CD-ROM or on six 3 ½ “ diskettes.  
1.2.1.1 Install from CD-ROM  
1. Exit any applications you have running.  
2. Place the CD-ROM into your PC.  
3. Open the setup.exe file.  
4. The Install Wizard is displayed.  
5. Follow the instructions on the screen.  
6. Once the installation is complete, restart Windows.  
1.2.1.2 Install from Diskettes  
1. Insert Disk 1 of the Remote Monitor software into your floppy disk drive (usually A:).  
2. Select Run from the Start button of Windows® 95.  
3. Select and execute the setup.exe file.  
4. The Install Wizard is displayed.  
5. Allow default location installation or select an alternative.  
6. Insert the remaining disks when prompted.  
7. Finish the installation.  
1.2.2 Creating a Shortcut on the Desktop  
1. In your Windows Explorer window, display the contents of the folder in which the Remote  
Monitor software resides.  
2. Right click on the CAC Remote Monitor file name.  
3. Left click on the Create Shortcut entry.  
4. Drag the resultant shortcut icon to your desktop.  
1.3 Software Overview  
The following figure provides an overview of the organization of the Remote Monitor screens.  
1-2  
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Software Overview  
Remote  
Management  
Remote  
Monitor  
Names  
System  
Setup  
Problem  
Reporting  
System Clock  
SNMP  
T1 Setup  
V.35 Port  
Data Port  
Setup  
RS-232 Port  
Static  
Connections  
Connections  
Performance  
Maintenance  
Channel/Signal  
Type  
Event Log  
T1 History  
Maintenance  
Testing  
Analog Port  
LEDs  
DIP Switches  
1-3  
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1.4 Connecting the PC Directly to the Access Bank II  
The RS-232 Management cable (provided) is equipped with a male 26-pin D-type subminiature  
connector on the end that mates with the secondary RS-232 connector pins of the Management port,  
and a female 25-pin connector on the DCE end for connection to the RS-232 communications  
interface of the PC.  
DCE-DB-25  
(female)  
D-SUB-26 (male)  
SECONDARY  
BRAID  
1 SHIELD  
1 SHIELD  
GND  
TXD  
RXD  
RTS  
CTS  
DTR  
CD  
7 GND  
2 TX  
7 GND  
14 STXD  
16 SRXD  
19 SRTS  
13 SCTS  
10 SDTR  
Local PC with Remote  
Monitor Software  
3 RX  
4 RTS  
5CTS  
20DTR  
8CD  
12 SCD  
RS-232 Management Port  
on Access Bank II  
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PO ATION  
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To connect a local PC to the Access Bank II using the RS-232 Management Cable:  
1. Set the System Configuration Local/Remote DIP switch 1 on the Access Bank II Control  
Panel to the Remote mode.  
1-4  
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Connecting a Modem to the Access Bank II for Remote Access  
1.5 Connecting a Modem to the Access Bank II  
for Remote Access  
The RS-232 Management cable (provided) is equipped with a male 26-pin D-type sub-miniature  
connector on the end that mates with the secondary RS-232 connector pins of the Management port,  
and the female 25-pin connector on the DCE end. To connect the Access Bank II to a modem, use the  
DCE end with a Carrier Access Corporation null modem converter.  
10 ft.  
DCE-DB-25  
(female)  
D-SUB-26 (male)  
SECONDARY  
BRAID  
1 SHIELD  
1 SHIELD  
GND  
TXD  
RXD  
RTS  
CTS  
DTR  
CD  
7 GND  
2 TX  
7 GND  
14 STXD  
16 SRXD  
19 SRTS  
13 SCTS  
10 SDTR  
Local PC with Remote  
Monitor Software  
3 RX  
4 RTS  
5CTS  
20DTR  
8CD  
12 SCD  
RS-232 Management  
C
ARR  
I
E
R
A
CCE  
SS  
Data Port on Access Bank II  
CORP  
O
R
A
TION  
0RGHP  
1XOO  
0RGHP  
0RGHP  
3671  
10 ft.  
DCE-DB-25  
(female)  
D-SUB-26 (male)  
SECONDARY  
BRAID  
1 SHIELD  
1 SHIELD  
GND  
TXD  
RXD  
RTS  
CTS  
DTR  
CD  
7 GND  
2 TX  
7 GND  
14 STXD  
16 SRXD  
19 SRTS  
13 SCTS  
10 SDTR  
Local PC with Remote  
Monitor Software  
3 RX  
4 RTS  
5CTS  
20DTR  
8CD  
12 SCD  
RS-232 Management  
Data Port on Access Bank II  
1-5  
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To connect the Access Bank II to a modem:  
1. Connect the PC to a modem using a standard modem cable.  
2. Connect a modem to the Access Bank II using the CAC Remote Management Cable and a  
Null modem adapter.  
3. On the Access Bank II control panel, set System Configuration Local/Remote DIP switch 1  
to Remote mode.  
Caution: Null modem adapter or cable must adhere to the wiring diagram  
shown above for the Remote Monitor software to operate correctly in this  
mode.  
1.5.1 Starting Up Remote Monitor  
Once installation is complete and the PC is cabled to either a modem or the Access Bank II, launch  
the Remote Monitor application.  
To launch the application:  
1. Double click the CAC Remote Monitor icon or launch the Remote Monitor application from  
the Windows Explorer. The first screen displayed is the Remote Management screen with a  
warning window.  
1-6  
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Pull-Down Menus  
Now that you have successfully loaded and launched the Remote Monitor, you must set it up to work  
with your Access Bank II. The setup process should proceed in the following order:  
1. Select the correct product.  
2. Set up Remote Management.  
3. Connect the Remote Monitor to the Access Bank II.  
4. Set up all screens for correct operation.  
5. Send all screens to the Access Bank II.  
1.6 Pull-Down Menus  
The Access Bank II application contains three pull-down menus—File, Connection, and Help. The  
File pull-down menu allows you to select the specific CAC product you are using, and manage  
specific configuration files. The Connection pull-down menu contains operations associated with  
communications to the Access Bank II. The Help pull-down menu allows you to access online help  
for the active screen.  
1-7  
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1.7 Setting Up Remote Monitor  
Use the procedures in this section to set up and configure Remote Monitor.  
1.7.0.1 Selecting the Current Product  
The first thing you must do is set the Remote Monitor for the product you intend to manage. The  
Remote Monitor software is a multi-product package.  
1. From the File menu, select New Product..., then select your product from the list.  
Alternate Method  
1. Select the down arrow in the Current Product field to access the pull-down menu shown  
below.  
2. Select your product from the menu.  
.
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Setting Up Remote Monitor  
A dialog box appears, asking if you want to save this configuration.  
3. Select the Yes button to save your configuration.  
1.7.1 Setting Up Remote Management  
The next thing you must do is set up remote management for your Access Bank II on the Remote  
Management screen. You cannot connect the remote management PC to the Access Bank II until this  
is done. The Remote Management screen should still be displayed.  
You can set up for either direct connection or modem connection on the Local Comm Settings  
window of this screen. The following procedure is for direct connection only.  
1. Select Direct Connection from the Connect Via ... section of the Remote Management screen.  
2. Select the comm port and baud rate in the Local Comm Settings section of the Remote Man-  
agement screen.  
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The baud rate must be set to match the baud rate of the Access Bank II. The factory default is  
9600.  
3. DO NOT change any settings in the Access Bank II Port Settings window. These settings are  
used only when you are using a modem connection.  
1.7.2 Connecting to the Access Bank II  
Use the Connection menu to connect to the Access Bank II, and later to perform operations  
associated with communications between the Remote Monitor software and the Access Bank II.  
1. Attempt to establish a connection.  
1. Pull down the Connection menu and click on Connect, or  
2. Click on Connect Now, or  
3. Click on the connect icon on the toolbar.  
Note: If the remote management settings were not made correctly, the connection  
will not succeed, and a message will appear telling you to check the serial port and  
baud rate settings.  
1-10  
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Setting Up Remote Monitor  
You will be prompted for a password.  
4. Enter the correct password and click the Connect button.  
The default password is cac.The system is case-sensitive,so you must enter this in lower case.  
If the attempt to connect is successful, the row of icons in the title bar become active, and the  
message at the bottom of the screen changes from Not Connected to Online - Logged In Suc-  
cessfully.  
1-11  
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1.7.3 Help  
Use Help to initiate the interactive on-line help for the displayed screen. You can activate Help in  
three ways.  
Click on Help, then on Whats This in the pull-down menu, as shown in the following fig-  
ure, then click on the item you want information about.  
Click on the question mark in the row of icons in the title bar, as shown in the figure  
below, then click on the item you want information about.  
Place the mouse cursor on the item you want information about and press F1.  
1-12  
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General Rules and Tips for Using the Remote Monitor  
1.8 General Rules and Tips for Using the Remote Monitor  
The Remote Monitor is designed for easy setup, configuration, monitoring, and management of the  
Access Bank II. Following certain rules and tips will ensure more reliable results. The following  
sections describe these rules and tips.  
Be sure you have the correct product selected before you begin making screen changes,  
or you will have to begin the changes again. The Remote Monitor, when started, defaults  
to the Access Bank II product.  
1.8.1 Reading and Sending Screens  
Send all screens to unit. Click on this icon to  
send all data from Remote Monitor to your  
Access Bank II unit.  
Read all screens from unit. Click on this icon to  
read all data on your Access Bank II and display  
it in Remote Monitor.  
Send all flagged screens to unit. Click on this  
icon to send all of the screens you’ve flagged in  
Remote Monitor to your Access Bank II.  
Clear all flags. Click on this icon to clear all flags  
in Remote Monitor without sending the flagged  
screens.  
Send current screen to unit. Click on this icon to  
send the data on the current Remote Monitor  
screen to your Access Bank II.  
Read current screen from unit. Click on this icon  
to read the data for the current Remote Monitor  
screen from your Access Bank II.  
Reading screens means loading information displayed on the current configurable  
screens, and some non-configurable information, from the Access Bank II into the  
Remote Monitor. Sending screens means downloading the information displayed on the  
current or flagged configurable screens from Remote Monitor into the Access Bank II.  
When reading screens from the Access Bank II or sending screens to the Access Bank II,  
canceling the transfer can result in a partial transfer and a corrupted configuration. If this  
occurs, redo the correct read or send operation to clear up the problem.  
When changing screens, it is often best to change all the screens you want to change  
before sending screens to the Access Bank II. Some screens are interactive with others  
(specifically the Static Connection, Channel/Signal Type, and V.35 Data screens in the  
Connections group), and must be read or sent together.  
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You can read and send most screens individually, all together, or send just the flagged  
screens. Sending all screens takes longer, therefore it is more efficient to send only  
changed screens. One way to do this is to flag each screen you change, then use the Send  
All Flagged Screens to Unit icon or Connection menu item. Remember to unflag all  
screens after they are sent.  
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General Rules and Tips for Using the Remote Monitor  
1.8.2 Screen Flagging  
The screen-flagging feature is a tool to help you remember which screens you have  
changed, that you have not sent them to the Access Bank II, and to allow you to more  
efficiently send changes to the Access Bank II. It is not an automatic-flagging feature;  
you must manually flag and unflag screens. Screens are flagged or unflagged by right-  
clicking on the screen tab.  
1.8.3 Changing to a New Product  
When you click the New Product item on the File menu, then click on a product name,  
the default configuration is loaded. You can also do the same thing by selecting a differ-  
ent product name from the Current Product dropdown menu on the toolbar. Any changes  
not saved will be lost.  
If you check the “Please don’t ask me about this again” box on the warning screen, the  
system will always prompt you to save the configuration file for the previous product.  
Note that this will cause this particular question to always be answered Yes.  
1.8.4 Saving Configurations  
Save Configuration and Save Configuration As save the current configuration to a file  
(database) on the Remote Monitor PC’s hard drive. If you made changes to screens of a  
configuration you loaded previously, Save Configuration will overwrite the original con-  
figuration file.  
If you have previously checked Please Dont Ask Me About This Again on the Confirm  
Configuration File Save on Open/New confirmation screen that appears when you load a  
configuration, software assumes you want to save and asks you for a file name. If you do  
not want to save, simply Cancel  
The Compact Configuration File option on the File pull-down menu compresses the con-  
figuration file to about one fifth its original size.  
If you are working in the field, it can be useful to keep several configuration files on a  
floppy disk.  
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1.8.5 Loading Configurations  
Any configurations that have been saved from the Remote Monitor can be reloaded. When the  
Remote Monitor is first loaded, there are no other configurations that can be loaded. The default  
configuration (for Access Bank II) must be saved, or modified and saved before anything appears in  
the list of loadable files. Loading a configuration into the Remote Monitor from an existing file can  
be initiated two ways.  
Use the Load Configuration From File icon:  
1. Click on the Load Configuration From File icon.  
Use the File pull-down menu:  
1. Click on the word File at the top of the screen.  
2. Click on Open Configuration in the pull-down menu.  
A window appears, asking you if you want to save the current configuration to a file. A Yes  
answer allows you to assign a file name and save the configuration, then select the file name  
you want to load. A No answer allows you to select the file name you want to load without  
saving the current configuration.  
3. Select the file you want to load and click on Open.  
1.8.6 Miscellaneous  
The Static Connections screen must be configured before you can configure the Channel  
Type screen because the Channel Type screen only affects drop and insert channels,  
which must be mapped on the Static Connections screen.  
You can enter information (typing or menu selections) in any screen field that is white.  
You cannot enter information in gray fields.  
When requesting events on the Event Log screen, be aware that requesting all events can  
take several minutes, and during that time you cannot scroll past event 15, so consider  
requesting six events at a time. Also, erasing the event log (clears all events) periodically  
is helpful.  
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System Setup Screens  
Chapter 2  
System Setup  
2.1 System Setup Screens  
The System Setup screens guide you through the naming of the system components, problem  
reporting, remote management, system clock, and SNMP setup. The first thing you must set up is  
Remote Management so you can connect to the Access Bank II, and the Send and Read operations  
between the Remote Monitor and the Access Bank II will work.  
Note: After making changes to the configuration on any screen, you must send the  
changes to the Access Bank II before the changes will take effect. To do this, click  
on Send Current Screen to Unit in the Connections pull-down menu, or click on the  
Send icon at the top of the screen. If you make changes to many screens, you can use  
the Send All Configurable Screens to Unit item on the Connections pull-down menu.  
2.1.1 Flagging Changed Screens  
The Remote Monitor provides a method for flagging screens you change as you set up the Access  
Bank II. It is a user-initiated feature. That is, you must actively flag and unflag the screens yourself.  
This feature makes it easier for you to remember to send all the changed screens to the Access Bank  
II.  
To flag a screen you have changed, simply right-click on the screen tab when that screen is active,  
and a flag symbol appears on the tab. To unflag a screen, right-click it again, or click the Clear all  
Send Flags icon.  
Alternately, you can use the Clear All Send Flags and Send All Flagged Screens options on the  
Connections menu.  
The screen flags are not automatically cleared when you send screens to the Access Bank II.  
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2.1.2 Names Screen  
The Names screen allows you to assign names to the system and the T1, Data, and FX voice ports.  
Simply type the names you want to assign in the respective fields. When you are finished with all  
setup entries, it is a good idea to save the configuration. If you want to save the configuration in a  
new configuration file, use the Save Configuration As selection.  
Ensure that the Current Product window displays the appropriate Access Bank II product. If another  
product is displayed, see Selecting the Current Product in Chapter 1.  
2-2  
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System Setup Screens  
2.1.3 Problem Reporting Screen  
To set up the problem reporting screen, left click in the appropriate box for each alarm listed,  
selecting the type of reporting you want each alarm to use, logging or dialout. Enter the pager alarm  
or printer alarm telephone number to which you want the dialout alarms to be sent, and enter the  
message you want to be conveyed. This dialout feature will only operate if a modem is connected to  
the Access Bank II.  
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2.1.4 The System Clock Screen  
Use the System Clock screen to synchronize the Access Bank II clock with the management PC  
clock, or manually set the Access Bank II clock to any time you want. To synchronize the clocks,  
simply click on the Local Synchronize button, and send the screen to the Access Bank II. To set the  
Access Bank II clock manually, click on the + and - buttons in the Access Bank II Clock/Calendar  
window until the time is correct. Then send the screen to the Access Bank II.  
2.1.5 The SNMP Screen  
The SNMP agent used by the Access Bank II is designed to support the relevant portions of the following MIB  
standards:  
MIB  
RFC-1213  
RFC1573  
RFC-1406  
RFC-1659  
Description  
System Group  
Interface Group  
T1/E1 Interfaces  
V.35 Interface  
RFC-1902 – RFC-1906  
SNMPV2 Definition  
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System Setup Screens  
2.1.5.1 Configuring Network Parameters  
Several basic settings are required before using the SNMP/Telnet facilities provided by Access Bank II. The  
basic settings to be configured by the user are:  
IP Address  
The Internet address identifies the Access Bank II on a TCP/IP based network. This field is required – each  
Access Bank II on the network must have a unique IP address. If your network is part of a larger wide area net-  
work, your site has been assigned a range of addresses for your network.  
Subnet Mask  
Networks that require further partitioning use subnet masks to perform subnet routing. These values indicate  
which part of your IP address is a network address and which part is a node address.  
Default Gateway  
This is the IP address of a default gateway on your logical network. A TCP/IP gateway (router) allows you to  
communicate outside your local network (subnet) by forwarding information to another network. The gateway  
must be on your logical network; the network portion of the address should be the same as the network portion  
of your IP address.  
2.1.5.2 Configuring SNMP Traps  
The Access Bank II SNMP agent supports the Standard SNMPv2 defined traps. In the future enterprise specific  
traps are to be added. Interpretations of the trap values are:  
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coldStart Trap and warmStart Trap  
These traps are combined in the Access Bank II:  
A coldStart(0) trap signifies that the sending protocol entity is reinitializing itself such that the agents configu-  
ration or the protocol entity implementation may be altered. This is typically a power reset.  
A warmStart(1) trap signifies that the sending protocol entity is reinitializing itself such that neither the agent  
configuration nor the protocol entity implementation is altered. This is typically a software reset.  
linkDown Trap  
A linkDown(2) trap signifies that the sending protocol entity recognizes a failure in one of the communication  
links represented in the agents configuration. The Trap-PDU of type linkDown contains as the first element of  
its variable-bindings, the name and value of the ifIndex instance for the affected interface.  
linkUp Trap  
A linkUp(3) trap signifies that the sending protocol entity recognizes that one of the communication links rep-  
resented in the agents configuration has come up. The Trap-PDU of type linkUp contains as the first element of  
its variable-bindings, the name and value of the ifIndex instance for the affected interface.  
authenticationFailure Trap  
An authenticationFailure(4) trap signifies that the sending protocol entity is the addressee of a protocol message  
that is not properly authenticated. While implementations of the SNMP must be capable of generating this trap,  
they must also be capable of suppressing the emission of such traps via an implementation-specific mechanism.  
enterpriseSpecific Trap  
A enterpriseSpecific(6) trap signifies that the sending protocol entity recognizes that some enterprise-specific  
event has occurred. The specific-trap field identifies the particular trap, which occurred (to be implemented in  
the future).  
Warning: To use the Trap Facilities, you must configure at least one of the three available NMS  
addresses to receive the trap messages.  
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System Setup Screens  
2.1.5.3 Configuring System Group Information  
The values that can be configured are:  
System Name  
The system Name is a string of 1-123 characters that is the administrative assigned name for this managed  
node.  
Location  
This is a string of 1-123 characters that describes the physical location of this node.  
Contact  
This is a string of 1-123 characters that identifies the contact person for this managed node, together with infor-  
mation on how to contact this person.  
2.1.5.4 Security  
The SNMP agent supported by the Access Bank II includes authentication. An authentication assures a recipi-  
ent that a message is from the source it claims to be from.  
Get Community  
Every SNMP message from a management station to an agent includes a community string. This name func-  
tions as a password and the message is assumed to be authentic if the sender knows the password.  
Set Community  
In order to allow a Network Manager for SNMP to alter your local parameters. You must add a string here. By  
default, this read/write access is disabled. Adding a string enables this capability, and the network manager  
must know the keyword to perform sets.  
Trap Community  
When an extraordinary event occurs at the agent, the managed node usually sends a single, simple trap message  
to the Network Manager. Traps are asynchronous notifications that are predefined in the MIB and must be  
known to both the agent and the Network Manager.  
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T1 Setup  
Chapter 3  
T1 Setup  
3.1 T1 Setup  
The T1 Setup screen allows you to configure the T1 spans for your installation. T1 Setup fields are used  
to set up the T1 network interfaces to match the characteristics of the attached T1 data streams, such as line  
code, framing format, and enabling detection of inband CSU loop codes  
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3.1.1 System Clock Source  
The T1 Setup screen also allows you to set the system clock source. The clock source is used for tim-  
ing the transmit side of all the T1s and for the Tx and Rx clock signals on serial data ports. We rec-  
ommend setting the primary and secondary clocks to different sources.  
3.1.2 T1 Hardware Setup  
You can configure the T1 network interface to match characteristics of attached T1 data streams.  
To configure the T1 network interface:  
1. Click on the white box under the required characteristic (Framing, Line Coding, etc.) for T1  
#1 or T1 #2.  
2. Click on the small arrowhead. A selection menu displays.  
3. Click on selection from menu.  
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T1 Definitions  
T1 Hardware Setup Fields (see definitions below)  
Field  
Input Choices (defaults in parentheses)  
D4, (ESF)  
Framing  
Line Coding  
CSU On/Off  
PRM Type  
(B8ZS), AMI  
(Detect), Ignore  
(AT&T 54016), ANSI T1.403  
Self Test  
(Off), Ringback, Test Tone  
Line Build Out  
CSU (0dB/DSX [0’-133’]), DSX [133’-266’], DSX [266’-399-], DSX  
[399-‘533’], DSX [533’-655’], CSU- 7.5dB, CSU - 15dB, CSU -  
22.5dB  
3.2 T1 Definitions  
T1 Hardware Setup fields are used to set up the T1 network interfaces to match the characteristics of the  
attached T1 data streams, such as line code, framing format, and enabling detection of inband CSU loop codes.  
The fields are defined below.  
3.2.1 Framing: D4 or ESF  
Selecting D4 sets the basic frame structure to the 12 frame D4 Superframe format. If ESF is selected, the basic  
frame structure of the attached T1 span line should be the 24 frame ESF Extended Superframe format, which  
includes a 4 Kbps Facility Data Link (FDL) channel for supervisory and performance monitoring.  
3.2.2 Line Coding: AMI or B8ZS  
Set the line coding either to Alternate Mark Inversion (AMI) (Default) or Binary 8 Zero Substitution (B8ZS).  
B8ZS allows for 64Kbps clear channel operation, required for most data applications.  
3.2.3 CSU On/Off: Ignore or Detect  
Causes the ACCESS Bank II to either ignore or respond to the inband D4/ESF CSU loop up (…00001…) or  
loop down (…001…) codes. Detect is the default setting.  
3.2.4 PRM Type: AT&T 54016 or ANSI T1.403  
Detect AT&T 54016 or ANSI T1.403 ESF out-of-band loop codes with the exact loop code type detected as  
specified above, and FDL Messaging.  
3.2.5 Self Test: OFF or ON  
Place T1 Span 1 or Span 2 in an internal loopback configuration and perform system self test, and provide to  
FSX channels either ringback or a 1000 Hz test tone.  
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3.2.6 Line Build Out (LBO):  
CSU 0 db/DSX (0’-133’), CSU -7.5 dB, CSU -15 dB, CSU -22 dB, DSX (133’-266’), DXS  
(266’-399’), DSX (399’ - 533’), DSX (533’-655’)  
Selects the signal level to be transmitted from the Access Bank II to the T1 line(s). The  
default is 0 dB/DSX (0’-133’), which is the normal signal level required by most public car-  
riers. It is important to remember that this setting can only be changed in the Remote mode.  
A T1 signal level too high for the engineered facility can result in Bipolar Violations (BPV).  
Too low a level can result in signal loss (LOS). Verify in advance the proper signal level  
required by your service provider.  
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V.35 Data Port Setup  
Chapter 4  
Data Port Setup  
4.1 V.35 Data Port Setup  
The Access Bank II control panel contains a V.35 DCE port for connecting to synchronous DTE data  
sources such as routers and FRADs from 56 Kbps to 1,536 Mbps in N = 1 to 24 Nx56/Nx64 Kbps  
steps. There are no physical DIP switches for configuring this high-speed serial interface. The V.35  
screen allows you to set up and operate the Access Bank II V.35 DCE interface.  
4.1.1 Setting the Speed Option  
The port speed can be set for either Nx56 or Nx64. Set this option for the available bandwidth.  
4.1.2 Setting the Receive Timing Option  
The receive timing can be set for either Internal or External. Internal is the setting for normal opera-  
tion. External can be used when required by data equipment connected to the Access Bank II. Internal  
means the V.35 clock is recovered from the Access Bank II timing, which is usually derived from one  
of the T1s. External means clocking is recovered from the connected DTE device (via pins U and  
W).  
4.1.3 Setting the Data Option  
The data option can be set for Normal or Inverted. Set as required by data equipment connected to the  
Access Bank II. Inverted has the same effect as reversing the A (+) and B (-) pins of both Transmit  
Data and Receive Data.  
4.1.4 Setting the DSU Option  
DSU can be either Enabled or Disabled. Disable when you don’t want a V.54 DSU code to cause a  
loopback on the data port.  
4.1.5 Setting the Clock Option  
The clock can be set for No Inversion, Receive Clock (RxCLK) Inversion, Transmit Clock (TxCLK)  
Inversion, or RxCLK and TxCLK Inversion. No Inversion is the correct setting for normal operation.  
Set as required by data equipment connected to the Access Bank II.Inverted has the same effect as  
reversing the A (+) and B (-) pins of the affected clock signal.  
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4.1.6 Setting the CTS Control Option  
CTS Control can be set to force CTS high, force CTS low, follow RTS, or follow CD. Force CTS  
high is the correct setting for normal operation. Set as required by data equipment connected to the  
Access Bank II.  
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RS-232 Data Port Setup  
Chapter 5  
RS-232 Data Port Setup  
5.1 RS-232 Data Port Setup  
The Access Bank II control panel contains a RS-232 data port for connecting to serial devices such as  
terminals, SNA devices and X.25 PADs.There are no physical DIP switches for configuring this  
serial interface. The RS-232 screen allows you to set up and operate the Access Bank II RS-232 serial  
interface.  
5.1.1 Setting the Synchronous Data Rate or Asynchronous  
Subrate  
You can set the Remote Monitor to communicate correctly with serial devices using either synchro-  
nous data rates or asynchronous subrates.  
Select the option that your serial device uses, as shown below.  
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5.1.2 Synchronous Data Rate Option  
If your RS-232 serial device uses a synchronous data rate, select either the 56K or the 64K data rate  
from the screen, as shown below.  
Note that only one DS0 of the T1 can be cross connected to the RS-232 port in the Connections  
menu.  
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RS-232 Data Port Setup  
5.1.3 Asynchronous Subrate Options  
If your RS-232 serial device uses asynchronous subrates, select the appropriate options as shown  
below.  
Data Size/Parity  
Indicate the size of the data unit, either 7 or eight  
bits; and whether to disable parity checking (for  
eight-bit data units) or to use even or odd parity  
checking (for seven-bit data units).  
Stop Bits  
Indicate whether to transmit one or two stop bits  
for each byte of data transmitted.  
Asynchronous Baud Rate  
Select your serial device’s asynchronous baud  
rate.  
Note that only one DS0 of the T1 can be cross connected to the RS-232 port in the Connections  
menu.  
When using an asynchronous rate, the Access Bank II must be used to terminate the opposite end of  
the T1 circuit.  
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Static Connections  
Chapter 6  
Connections  
6.1 Static Connections  
This screen allows the user to configure the voice group and data connectivity. The data group is  
used to assign channels to the V.35 port.  
Configurations:  
Drop and Insert (T1 to T1) can be voice or data  
Voice Group (T1 to FX #1 and FX #2)  
Data Group (T1 to V.35 and RS-232)  
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6.1.1 Connecting Individual Channels  
To connect individual channels:  
1. Click on an origination channel  
The selected channel turns yellow  
2. Click on termination channel  
The connections show in the span/channel boxes.  
3. For a data channel, repeat the process but select the V.35 group.  
To clear a connection:  
1. Hold the Shift key down and click on a connection using the left mouse button.  
2. Release the mouse button to remove the connection from the database.  
3. Confirm the deletion by clicking on the Yes button in the popup window.  
To turn off the verification window, click on the “please don’t ask me about this again” check  
box.  
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Channel Type  
6.1.2 Configuring Contiguous Channels  
1. Click on the first channel in the group and, holding the mouse button down, drag to the end  
channel in the group. The channels will turn yellow.  
2. Click on a First span channel for a bypass connection.  
The Span connection boxes show the connections you made.  
To make channel data connections:  
1. Click on the first channel in the group and drag to the end channel in the group.  
The channels will turn yellow  
2. Click on the first channel of the V.35 group or the RS-232 channel for a T1 to data  
connection.  
To clear contiguous connections:  
1. Hold the Shift key down and drag across the connections using the left mouse button.  
2. Release the mouse button to remove the connections from the database.  
3. Confirm the deletion by clicking on the Yes button in the popup window.  
To clear all channel assignments:  
1. Click the Clear Bypass/Data Channels Button.  
2. Click OK to clear connections in the database.  
3. When you have entered all data required, update the  
Access Bank II by clicking the Send Screen to Unit  
button.  
6.2 Channel Type  
This screen applies only to drop and insert channels (T1 #1 mapped to T1 #2), which must be mapped  
on the Bypass/Data screen. The channels mapped as drop and insert are the only ones that will show  
as highlighted on this screen. The drop and insert channels can be assigned a channel type as either  
Clear (data) or Not Clear (voice with signaling) on this screen.  
6-3  
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Figure 6-1: Channel/Signal Type Screen  
1. Click on any highlighted channel.  
You can also click and drag to select a group of contiguous channels.  
2. Click on the channel type (Clear or Not Clear) that you want to assign to this channel or  
channels.  
Clear is used for data connections at either Nx56K or Nx64K speeds.  
Not Clear is used for any type of voice connections.  
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The Event Log Screen  
Chapter 7  
Performance  
7.1 The Event Log Screen  
This screen allows the user to request the Alarm/Event history log from the Access Bank II. These  
logs are typically associated with the alarm conditions on the access ports, configuration changes and  
events associated with the Access Bank itself.  
Alarms can be stored by the Access Bank II in a buffer, which is battery backed in case of power fail-  
ure. When the buffer is full (maximum capacity is 2048 events), the Access Bank II overwrites the  
oldest alarm/events. The following alarms/events are detected and stored by the Access Bank II.  
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Events:  
Message  
Explanation  
Power Up  
This is an informational message that logs the time and date  
that the stytem was powered up.  
Remote Monitor Login/ This is an informational message that logs the time and date  
logout  
that users logged into and off the Remote Monitor software.  
Local/Remote switch  
change  
This is an informational message that logs when the Local/  
Remote switch on the Access Bank II was changed.  
Soft Reset  
This is an informational message that indicates that the sys-  
tem has detected a soft reset  
Low Power and/or  
This is an alarm message logging information about condi-  
Brown-Out conditions tions in which the power dips below standard levels. Note  
that when power is cycled off and then on again, the  
Access Bank II logs a brownout event. This is a normal  
part of operation, and you can ignore these messages.  
Alarm Events  
Loss of Signal; Signal  
Restored  
The Loss of Signal alarm indicates that the Access Bank II  
has stopped receiving the T1 signal. The Signal Restored  
message indicates that the signal has been restored follow-  
ing a Loss of Signal alarm.  
Received Loop Up/  
Received Loop Down  
Code  
The Received Loop Up Code message indicates that the  
Access Bank II has received an in-band remote loop-up  
code. The Received Loop Down Code message indicates  
that the Access Bank II has received an in-band remote  
loop-down code.  
Received Unframed 1’s; The Received Unframed 1s message indicates that the  
Stopped receiving  
Unframed 1’s  
Access Bank II has received unframed ones, and the  
Stopped Receiving Unframed 1s message indicates that the  
system is no longer receiving unframed ones following a  
Received Unframed 1s message.  
Loss of Framing; Fram- The Loss of Framing message indicates that the system  
ing restored  
received unframed data (all ones). The Framing Restored  
message indicates that Framing has been restored following  
a Loss of Framing error.  
received Yellow Alarm; The Received Yellow Alarm message indicates that the sys-  
Yellow Alarm not being tem is receiving yellow alarms. The Yellow Alarm Not  
received  
Being Received message indicates that the yellow alarm is  
no longer being received.  
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The Event Log Screen  
High BPV rate for 15  
This is an alarm message reporting information about time  
minutes; BPV rate nomi- periods in which the system logs high or nominal rates of  
nal for 15 minutes  
bipolar violations (BPVs). Approximately 1,544 BPVs per  
15 minute period is recorded as a High BPV rate.  
Severely Errored Sec-  
onds, No Severely  
Errored Seconds  
The Severely Errored Seconds (SES) alarm indicates that  
the system is receiving ten or more severely errored sec-  
onds per 15 minute period. The No Severely Errored Sec-  
onds message indicates that the system is receiving fewer  
than ten severely errored seconds per 15 minute period, fol-  
lowing a Severely Errored Seconds message.  
Unavailable Seconds;  
The Unavailable Seconds message indicates that the system  
No unavailable Seconds has logged unavailable seconds within the specified 15  
minute period. The No Unavailable Seconds message indi-  
cates that the system logged no unavailable seconds in a 15  
minute period following an Unavailable Seconds message.  
Data Interfaces  
RTS not detected; RTS The RTS not Detected message indicates that the system  
detected  
has not received a V.35 RTS (Receive to Send) message,  
and the RTS Detected message indicates that the system  
has received a RTS message following an RTS not  
Detected message.  
Local LoopBack (LLB) The Local Loopback (LLB) message indicates that the  
signal asserted; LLB de- Access Bank II has received a local loopback signal, and  
asserted  
the LLB Deasserted message indicates that the system has  
received a Local Loopback Deassertion signal.  
Self Test Results  
Memory Tests  
Framer Interface  
Codec Interface  
V. 35 Interface  
Serial Interface  
These are test results and other diagnostic information  
typically used by Carrier Access Corporation personnel.  
The following fields are displayed when the alarms are retrieved.  
Field  
Values  
Sequence number ranging 1-2048  
Date on which event occurred  
Time at which event occurred  
Event #  
Date  
Time  
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System  
System affected by event. These can be the fol-  
lowing:  
1. System  
1. T1  
1. V.35  
1. Codec (voice channels)  
1. FXS  
1. FXO  
Channel  
This is the channel affected by the event. The  
channel numbers are:  
System  
00  
T1  
01, 02  
V.35  
00  
FXS  
FXO  
Codec  
01, 02 ... 12  
01, 02 ... 12  
01 … 24  
Description  
A detailed description of the Alarm or Event con-  
dition that was detected.  
The Screen also displays to the user the total number of Events that have been detected and the total  
number of events that the Remote Monitor application has retrieved.  
7.1.1 Retrieving Events from the Event Log  
The Event log screen allows the user to retrieve the events in 6 event increments or retrieve the entire  
event log.  
To retrieve the first 6 events, select the Request First 6 Events button  
To retrieve the next 6 events, select the Request Next 6 Events button.  
To retrieve the entire event log, select the Request All Events button.  
7.1.2 Clearing the Event Log  
The Remote Monitor allows the user to clear the event log stored in the Access Bank II and reset the  
Event # to zero.  
To clear the event log, select the Erase Event Log button. On the confirmation window,  
click Yes.  
7.1.3 T1 History  
The Remote Monitor is capable of displaying T1 statistical information from every 15 minute time period over  
a 24-hour period. History information is retrieved upon request from the Access Bank II by clicking one of the  
T1 History buttons on the T1 History screen. The Remote Monitor is also capable of displaying current A/B bit  
signaling status, which is displayed on the Codec Port Status screen, Internal Access Bank II event Logs and  
Signaling state of the various data ports.  
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The Event Log Screen  
Performance information is monitored for Network Loopback Seconds, Loss of Carrier, Alarm Indication Sig-  
nal, Loss of Frame Count, Yellow Alarm Seconds, Unavailable Seconds, Severely Errored Seconds, Errored  
Seconds, and Bipolar Violations.  
7.1.4 Definitions  
Network Loopback Seconds - When a Network Loopback is activated, either via the T1 Hardware  
setup screen or the Maintenance screen, the Access Bank II software starts to increment seconds that  
the loopback is active.  
Loss of Received T1 Signal - Also called Loss of Carrier  
Alarm Indication Signal (AIS) Defect - For T1 links, the all onescondition is detected upon  
observing an unframed signal with a ones density of at least 99.9% present for a time between 3 and  
75 ms. The AIS is terminated upon observing a signal not meeting the ones density or the unframed  
signal criteria for a period equal to or greater than the same time period that caused the system to  
enter the AIS state.  
Loss of Frame Count - For T1 links, the Loss Of Frame failure is declared when an OOF or LOS  
defect has persisted for between 2 and 10 seconds. The Loss Of Frame failure is cleared when there  
have been no OOF or LOS defects during a period T where 0 <= T <= 20. Many systems will perform  
"hit integration" within the period T before declaring or clearing the failure e.g., see TR62411.  
Yellow Alarm Seconds - The Far End Alarm failure is also known as "Yellow Alarm". For D4 links,  
the Far End Alarm failure is declared when bit 6 of all channels has been zero for at least 335 ms and  
is cleared when bit 6 of at least one channel is non-zero for a period that is usually less than one sec-  
ond and always less than 5 seconds. The Far End Alarm failure is not declared for D4 links when a  
Loss of Signal is detected.  
For ESF links, the Far End Alarm failure is declared if the Yellow Alarm signal pattern occurs in at  
least seven out of ten contiguous 16-bit pattern intervals and is cleared if the Yellow Alarm signal  
pattern does not occur in ten contiguous 16-bit signal pattern intervals.  
Unavailable Seconds (UAS) - Unavailable seconds are calculated by counting the number of sec-  
onds that the interface is unavailable. The DS1 interface is said to be unavailable from the onset of 10  
contiguous Severely Errored Seconds (SES), or the onset of the condition leading to a failure (see  
Failure States). If the condition leading to the failure was immediately preceded by one or more con-  
tiguous SESs, then the DS1 interface unavailability starts from the onset of these SESs. Once  
unavailable, and if no failure is present, the DS1 interface becomes available at the onset of 10 con-  
tiguous seconds with no SESs. Once unavailable, and if a failure is present, the DS1 interface  
becomes available at the onset of 10 contiguous seconds with no SESs, if the failure clearing time is  
less than or equal to 10 seconds. If the failure clearing time is more than 10 seconds, the DS1 inter-  
face becomes available at the onset of 10 contiguous seconds with no SESs, or the onset period lead-  
ing to the successful clearing condition, whichever occurs later. With respect to the DS1 error counts,  
all counters are incremented while the DS1 interface is deemed available. While the interface is  
deemed unavailable, the only count that is incremented is UASs.  
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Severely Errored Seconds -  
Errored Seconds (LES) - A Line Errored Second, according to T1M1.3, is a second in which one or  
more Line Code Violation error events were detected.  
Bipolar Violation (BPV) Error Event -A BPV error event for an AMI-coded signal is the occur-  
rence of a pulse of the same polarity as the previous pulse. A BPV error event for a B8ZS- or HDB3-  
coded signal is the occurrence of a pulse of the same polarity as the previous pulse without being a  
part of the zero substitution code.  
Figure 7-1: The T1 History Screen  
7.1.5 T1 History (Last 24 Hours)  
The T1 history for the last 24 hours for both spans is tracked and displayed at 15 minute intervals.  
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Testing  
Chapter 8  
Maintenance  
8.1 Testing  
The Remote Monitor provides a testing screen to maintain and test the status of the Access Bank II. This  
provides several loopback configurations that you can initiate to isolate problems in the network.  
Figure 8-1: The Testing Screen  
8.1.1 Loopback Configuration  
The Loopback Configuration panel allows you to select the access port to be tested and the loopback direction  
to be used during the test.  
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8.1.1.1 Loopback  
Field  
Data Access  
Direction  
Input  
None, V.35, T1 #1, T1 #2  
None, Equipment Line, Equipment Payload, Equipment TSI, Network  
Line, Network Payload, Network TSI  
To incorporate the internal BERT functionality into the loop, select the BERT Enabled checkbox.  
The general Network loopbacks are illustrated in the diagram below.  
XMT  
DS0  
XMT  
X
X
Multiplexer  
(TSI)  
and  
Framing  
Circuits  
T1  
Transmitter  
To/From  
T1 Line  
BERT  
TSI*  
RCV  
DS0  
T1  
Receiver  
Payload  
RCV  
*Time Slot Interchange: the cross-connection logic.  
The general Equipment loopbacks are illustrated below.  
XMT  
DS0  
XMT  
X
Multiplexer  
DTE  
(TSI)  
and  
Framing  
Circuits  
Transmitter  
To/From  
DTE Equipment  
(e.g., Router)  
BERT  
TSI*  
RCV  
DS0  
DTE  
Receiver  
Payload  
X
RCV  
*Time Slot Interchange: the cross-connection logic.  
Because of the Access Bank II architecture, not all loopbacks are available. If an unavailable loop-  
back is selected, then the loopback not available dialog box is displayed.  
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Testing  
8.1.2 Internal BERT Configuration  
The Internal Bert Configuration allows you to configure the BERT chip (if enabled) to generate spe-  
cific patterns and error rates. Normally, the error rate is left at None, but the BERT pattern can be  
transmitted with a known error rate to confirm other test equipment accuracy.  
8.1.2.1 Loopback Configuration Settings  
Field  
Pattern  
Input  
All Ones, All Zeros, Alternating I/0, 1 in 8, QRSS, 511, 2047, 215-1,  
220-1, 223-1,  
None, 10-1 - 10-7  
Error Rate  
You can change configurations at any time.  
To update the BERT configuration:  
Select configurations for patterns & error rate.  
Click Update BERT Config.  
8-3  
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8.2 Analog Ports  
The 24 available analog ports are associated with the voice channels and plug-in analog cards of the  
Access Bank II. The analog port status is activated upon entering the screen and displays the signal-  
ing bits associated with the card type and its signaling type configuration. The Analog Port Status  
screen allows the user to monitor the signaling bits in real time as it auto-reads the current status from  
the Access Bank II at specified intervals (you must be connected to an Access Bank II).  
For each analog card the following data is monitored and described in the table below.  
Name  
Quiet Channel  
Ringback  
Values  
0=Off, 1=On  
0=Off, 1=On  
Comments  
Idle/Active State  
Transmit "A"  
Transmit "B"  
Receive "A"  
0, 1  
Signaling to network  
Signaling to network  
Signaling from network  
Signaling from network  
0, 1  
0, 1  
0, 1  
0=Off, 1=On  
Receive "B"  
Trunk Processing  
Self-test  
0=Off, 1=On  
The contents and meaning of the signaling bits depends on the type of signaling used by the circuit  
provided over the channel. The Robbed-Bit signaling states for the following types of circuit signal-  
ing are provided in the tables below for the D4 (SF) and ESF framing formats. The types are:  
Loop-Start signaling  
Ground-Start signaling  
8-4  
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Analog Ports  
Loop-reverse-battery signaling  
Network-provided reverse-battery signaling  
E&M signaling  
Customer-installation-provided loop-start supervision.  
8.2.1 Update Interval  
The Update Interval window graphically represents the user-selected interval for updating the infor-  
mation on this screen. Set the interval by dragging the slide control up and down with your mouse  
cursor. To turn off updates, put the slide control at its lowest position.  
Figure 8-2: Update Intervals  
The interpretation of the signaling bits for D4 framing are as follows:  
D4 (SF) Framing Format  
See the legend at the end of this table for explanations of abbreviations.  
Signaling Type  
State  
Receive (Network-  
to-Subscriber)  
Transmit  
(Subscriber-to-  
Network)  
Rx  
Tx  
A
0
B
1
A
0
B
1
Loop-start  
signaling (FXO-  
FXS)  
LCF  
LO (on hook)  
Ringing  
LCF  
LC (off hook)  
LO (on hook)  
0
0
0
1
1
0
1
1
Loop-start  
signaling with  
RLCF (FXO-FXS)  
RLCF  
LCFO  
LC (off hook)  
0
1
1/0  
1
1
1
8-5  
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D4 (SF) Framing Format  
0
Ringing  
LCF  
0
1
Ground-start  
signaling (FXO-  
FXS)  
LO (on hook)  
0
0
1
LCFO  
LC (off hook)  
1
0
1
0
1
0
1
0
Ringing  
RG (service  
request)  
Ground-start  
LCF  
LO (on hook)  
0
1
0
1
signaling with  
RLCF (FXO-FXS)  
RLCF  
LCFO  
LC (off hook)  
0
1
1/0  
1
1
0
1
0
RG (service  
request)  
Ringing  
LO  
0
0
0
0
Loop-reverse-  
LCF  
0
0
battery signaling  
(DID) (DPO-DPT)  
LC  
RLCF  
1
0
1
0
1
0
1
0
Network-provided  
reverse battery  
(enhanced 911  
LCF (on  
hook)  
LO (on hook)  
apps) (DPT-DPO)  
RLCF (off  
hook)  
LC (off hook)  
1
1
1
1
E&M signaling  
on hook  
off hook  
on hook  
off hook  
0
1
0
1
0
1
0
1
Subscriber-  
LO  
LCF  
0
1
0
1
provided loop-start  
supervision (FXS-  
FXO)  
LC  
Ringing  
1
1
0
0
8-6  
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Analog Ports  
D4 (SF) Framing Format  
The following abbreviations are used in this table:  
LCF - Loop current feed  
RLCF - Reverse loop current feed  
LCFO - Loop current feed open  
LO - Loop Open  
LC - Loop closure  
RG - Ring ground  
The interpretation of the signaling bits for ESF framing are as follows:  
ESF Framing Format  
See the legend at the end of this table for explanations of abbreviations.  
Signaling Type  
State  
Receive (Network-to- Transmit (CI-to-  
CI)  
A
0
Network)  
Rx  
Tx  
B
1
C
0
D
1
A
0
B
1
C
0
D
1
Loop-startsignaling LCF  
(FXO-FXS)  
LO (on hook)  
Ringing  
LC (off hook)  
LO (on hook)  
0
0
0
1
0
0
0
1
1
0
1
1
1
0
1
1
Loop-startsignaling LCF  
with RLCF (FXO-  
FXS)  
RLCF  
LC (off hook)  
LO (on hook)  
0
1
0
0
1
1
0
1
0
1
0
0
0
1
0
1
1
0
1
1
1
0
1
1
LCFO  
Ringing  
LCF  
Ground-start  
signaling (FXO-  
FXS)  
LCFO  
Ringing  
LC (off hook)  
RG (service  
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
request)  
LO (on hook)  
Ground-start  
LCF  
0
1
0
1
0
1
0
1
signaling with  
RLCF (FXO-FXS)  
RLCF  
LCFO  
LC (off hook)  
RG (service  
request)  
0
1
1
1
0
1
0
1
1
0
1
0
1
0
1
0
Ringing  
LO  
0
0
0
0
0
0
0
0
Loop-reverse-  
LCF  
0
0
0
0
battery signaling  
(DID) (DPO-DPT)  
LC  
LCF (on  
hook)  
RLCF  
LO (on hook)  
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Network-provided  
reverse battery  
(enhanced 911  
apps) (DPT-DPO)  
RLCF (off  
LC (off hook)  
1
1
1
1
1
1
1
1
hook)  
on hook  
off hook  
E&M signaling  
on hook  
off hook  
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
8-7  
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ESF Framing Format  
CI provided loop-  
start supervision  
(FXS-FXO)  
LO  
LC  
LCF  
0
1
1
0
1
1
1
0
0
1
0
0
0
1
0
Ringing  
1
DS0 Alarms  
DS0 AIS  
DS0 yellow  
DS0 AIS  
DS0 yellow  
0
0
0
1
1
1
0
1
0
0
0
1
1
1
0
1
The following abbreviations are used in this table:  
LCF - Loop current feed  
RLCF - Reverse loop current feed  
LCFO - Loop current feed open  
LO - Loop Open  
LC - Loop closure  
RG - Ring ground  
8.3 LEDs  
The Access Bank II allows the user, from a remote site, to monitor the signaling state of the Signal  
Leads for the various data ports that are provided. If the signal on the Lead is active high, it is shown  
in the color blue; otherwise it is not lit. This is useful for diagnosis of the data ports. In addition, the  
various LEDs on the front panel are also displayed. This screen auto-updates at a default rate of once  
every 5 seconds, which you can change, or turn off, with the slide control.  
The Battery State LED indicates the status of the Access Bank II internal battery. When the LED is  
on, or Green, the battery is OK, or present. If the battery is dead, or not present, the LED is off, or  
gray.  
8-8  
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LEDs  
8.3.1 System LEDs  
The System LEDs portion of the LEDs screen displays the current state of T1 spans 1 and 2, as well  
as the current status of the V.35 Data Port.  
LEDs  
Function  
T1 #1  
Current status of T1 #1 span  
Current status of T1 #2 span  
Status of T1 #1 span in test mode and  
T1 #2  
T1 Test #1  
additional status information  
T1 Test #2  
V.35  
Status of T1 #2 span in test mode and  
additional status information  
Status of V.35 port  
8-9  
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8.3.1.1 Definition of Line Status LEDs for T1 Span 1 and T1 Span 2 (first two  
LEDs)  
State  
Off  
Green  
Meaning  
Loss of T1 signal, no pulses received.  
Access Bank II is in frame with a frame-bit error rate less than  
10e-5.  
Flashing Green  
Red  
Access Bank II is in frame, but frame-bit error rate exceeds 10e-  
5.  
AIS (Unframed All Ones Signal) received from the incoming  
T1 span.  
Flashing Red  
Yellow  
Access Bank is not synchronized to the incoming T1 line, but  
no AIS is being received.  
BPV errors received on the T1 line that are not due to B8ZS line  
coding.  
Flashing Yellow  
Yellow Alarm received from the T1 line.  
8.3.1.2 Definition of Test LEDs for T1 Span 1 and 2 (third and fourth LEDs)  
State  
Green  
Meaning  
Normal operations. Trunk processing, self test, and network  
loopback inactive.  
T1 Self Test local loopback passed.  
T1 Self Test local loopback failed due to one or more of the  
Flashing Green  
Red  
following conditions: T1 Loss of Signal, Out of Frame, Improper  
Line Code Received, ESF or BPV errors received.  
Channels held in Trunk Processing for this T1 span.  
Network loopback active for this T1 span.  
Yellow  
Flashing Yellow  
8.3.1.3 Definition of V.35 Status LED (last LED)  
State  
Off  
Green  
Meaning  
No T1 channels assigned to V.35 port.  
CD (RLSD) and RTS leads active. T1 channels assigned and  
operative.  
Flashing Green  
Red  
V.35 in loopback to DTE equipment.  
CD (RLSD) lead is inactive because assigned T1 is inoperative.  
CD (RLSD) lead active. RTS lead inactive.  
V.35 in loopback to T1 line.  
Yellow  
Flashing Yellow  
8.4 DIP Switches  
This screen shows the settings of the DIP switches on the connected Access Bank II and the cards  
that populate the Access Bank II unit, after a read operation. You must be connected. Click on the  
8-10  
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DIP Switches  
Read icon, or pull down the Connection menu and click on Read Current Screen from Unit.  
8-11  
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8-12  
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