Patton electronic Marine Battery 2094 User Manual

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USER  
MANUAL  
MODEL 2094  
V.35 to E1/Fractional E1  
Converter  
Part# 07M2094-UM  
Doc# 08605U2-004,  
Rev. B  
SALES OFFICE  
(301) 975-1000  
TECHNICAL SUPPORT  
(301) 975-1007  
Copyright © 2006  
Patton Electronics Co.  
All rights reserved.  
Revised 10/25/06  
An ISO-9001  
Certified Company  
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1.2 RADIO AND TV INTERFERENCE  
1.4 SERVICE INFORMATION  
The Model 2094 generates and uses radio frequency energy, and  
if not installed and used properly—that is, in strict accordance with the  
manufacturer's instructions—may cause interference to radio and tele-  
vision reception. The Model 2094 has been tested and found to com-  
ply with the limits for a Class A computing device in accordance with  
the specifications in Subpart J of Part 15 of FCC rules, which are  
designed to provide reasonable protection from such interference in a  
commercial installation. However, there is no guarantee that interfer-  
ence will not occur in a particular installation. If the Model 2094 does  
cause interference to radio or television reception, which can be deter-  
mined by disconnecting the cables, the user is encouraged to try to  
correct the interference by one or more of the following measures:  
moving the computing equipment away from the receiver, re-orienting  
the receiving antenna, and/or plugging the receiving equipment into a  
different AC outlet (such that the computing equipment and receiver  
are on different branches).  
All warranty and non-warranty repairs must be returned freight  
prepaid and insured to Patton Electronics. All returns must have a  
Return Materials Authorization number on the outside of the shipping  
container. This number may be obtained from Patton Electronics  
Technical Support at:  
tel: (301) 975-1007;  
NOTE: Packages received without an RMA number will not be  
accepted.  
Patton Electronics' technical staff is also available to answer any  
questions that might arise concerning the installation or use of your  
Patton Model 2094. Technical Services hours: 8AM to 5PM EST,  
Monday through Friday.  
1.3 CE NOTICE  
The CE symbol on your Patton Electronics equipment indicates  
that it is in compliance with the Electromagnetic Compatibility (EMC)  
directive and the Low Voltage Directive (LVD) of the Union European  
(EU). A Certificate of Compliance is available by contacting Technical  
Support.  
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2.0 GENERAL INFORMATION  
2.3 SUPPORTED APPLICATIONS  
Thank you for your purchase of this Patton Electronics product.  
This product has been thoroughly inspected and tested and is warrant-  
ed for One Year parts and labor. If any questions arise during installa-  
tion or use of the unit, contact Patton Electronics Technical Services at  
(301) 975-1007.  
The Model 2094 provides an E1 network termination between E1  
and Fractional E1 equipment and customer premises equipment (CPE)  
such as a router. The Model 2094 can also be used as a high-speed  
short haul modem for campus applications.  
2.3.1 The 2094 as the Interface between the Telco and CPE  
2.1 FEATURES  
The Model 2094 provides the interface between an E1/Fractional  
E1 multiplexer and a router or switch (See below).  
Terminates E1/FE1 Circuits over a 4-Wire RJ-48C interface  
• Connects to standard CPE Serial Interfaces  
• Common Framed nx64 rates up to 1.984 Mbps  
• Unstructured Rate of 2.048 Mbps  
• G.703 or G.704 Framing (with or without CRC-4, CAS multi-  
frame)  
• Selectable AMI or HDB3 Line Coding  
• Configuration via Control Port or Internal DIP Switches  
• Seven Easy-to-Read LED Indicators Monitor Data & Diagnostics  
• Internal, External or Receive Recover Clocking  
• Also Operates as a High-Speed Point-to-Point Modem  
• Compact Size Plugs Directly into a Router, Switch or other DTE  
• Made in USA  
2.3.2 The 2094 as a High-Speed Short Range Modem  
The Model 2094 can also be installed into high-speed campus  
applications. In this application, a pair of Model 2094 units operate as  
short range modems (See below).  
2.2 GENERAL PRODUCT DESCRIPTION  
The Patton Model 2094 V.35 to E1/Fractional E1 Converter connects  
equipment with standard ITU-T V.35 Interfaces to 2.048 Mbps G.703  
E1 (clear channel) and fractional E1 G.704 (n x 64) 4-wire 120 ohm  
interfaces. Housed in our MicroPak enclosure measuring only 9x 5.3 x  
2 cm (3.55 x 2.1 x 0.78 in.) the Model 2094 plugs directly into the V.35  
DTE interface of a router, switch, FRAD, multiplexer or other network-  
ing device.  
Model 2094  
Model 2094  
The Model 2094 supports all necessary G.703/G.704 diagnostics, DTE  
local/remote loops, and V.54 loop up/loop down. Diagnostics are initi-  
ated via the Model 2094's control port, or through the DTE or line inter-  
faces. Easily readable LED indicators include TD, RD, Loss of Sync  
(LOS), Alarm, Error, Test and Power. Configuration of the Model 2094  
is done through the control port or using DIP switches.  
The Model 2094 presents a RJ48C 120 ohm interface to the line and a  
V.35 interface to the customer's device using a Male M/34 connector.  
An M/34 to DB-60 adapter cable is available for convenient connection  
to Cisco routers. The Model 2094 is powered by an external Universal  
Input 100-240VAC adapter.  
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3.0 CONFIGURATION  
SWITCH SET SUMMARY TABLE  
The Model 2094 features configuration capability via hardware  
switches or a software control port. This section describes all possible  
hardware and software switch configurations of the Model 2094.  
Position  
SW1  
SW2  
SW3  
SW4  
SW5  
SW6  
SW7  
SW8  
Function  
Line Coding  
CAS Multiframe  
CRC-4 Multiframe  
Clock Mode  
DTE Rate  
Factory Default Selected Option  
Off  
Off  
Off  
Off  
Off  
Off  
Off  
Off  
HDB3  
Disabled  
Disabled  
Network  
3.1 DIP SWITCH CONFIGURATION  
The Model 2094 has eight internal DIP switches that allow configu-  
ration for a wide range of applications. The eight switches are  
accessed by opening the plastic case with a small screwdriver. Figure  
1 (below) shows the location of the DIP switches on the bottom of the  
printed circuit board.  
2.048 Mbps  
DTE Rate  
Clear  
DTE Rate  
}
Channel  
DTE Rate  
Switch SW1: Line Coding  
Software Configuration Port  
DIP Switches  
Use Switch SW1 to control the Network Line Coding options. Set  
these options to be the same as the Line Coding given to you by your  
Service Provider. If you are using two Model 2094s together as short  
range modems, set both units to HDB3.  
ON  
OFF  
SW4  
Off  
On  
Line Framing & Coding  
HDB3  
AMI  
Figure 1. Model 2094 bottom view, showing location of DIP switches  
Line Coding Options:  
The Model 2094 DIP switches (Switches SW1 - SW8) can be con-  
figured as either “On” or “Off”. Figure 2 (below) shows the orientation  
of the DIP switches with respect to ON/OFF positions.  
High Density Bipolar 3 (HDB3): In HDB3 coding, the transmitter  
deliberately inserts a bipolar violation when excessive zeros  
in the data stream are detected. The receiver recognizes  
these special violations and decodes them as zeros. This  
method enables the network to meet minimum pulse density  
requirements. Use HDB3 unless AMI is required in your  
application .  
ON  
Alternate Mark Inversion (AMI): AMI coding does not inherently  
account for ones density. To meet this requirement, the user  
should ensure that the data inherently meets pulse density  
requirements.  
OFF  
Figure 2. Close up of DIP switches showing ON/OFF positions.  
The switch is shown in the Off position.  
Default positions for Switches SW1-SW8 are shown in the table on  
the following page. Descriptions of each switch follow the table.  
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Switch SW2: CAS Multiframe  
UNFRAMED (G.703)  
SW3  
SW4  
Clock Mode  
The Channel Associated Signaling (CAS) multiframe uses Timeslot 16  
(TS16) to send multiframe (MF) alignment data. In CAS MF, a multi-  
frame is defined as 16 frames, where a frame consists of 32 64kb/s  
timeslots, numbered 0 to 31. TS16 of the first frame in the MF contains  
the CAS MF alignment word in the upper four bits. The alignment word  
is always 0000 (binary). The 2094 does not perform any signaling in  
TS16 other than to insert the MF alignment word, in order to maintain  
MF alignment. When CAS MF is disabled, the unit transmits user data  
in TS16; therefore, up to 31 channels are available for user data. When  
it is enabled, TS16 is not available to the user. In this case, the user  
can use up to 30 channels for data. CAS MF can be used with CRC-4  
MF or by itself. When enabled, both units must employ CAS MF; if one  
unit is set for CAS MF, and the other is not, the one using CAS MF will  
detect a loss of sync.  
Off  
Off  
On  
On  
Off  
On  
On  
Off  
Network (Default)  
Internal  
External  
Network  
CLOCK MODES  
Network Clock Transmitter timing is derived from the received line  
signal.  
Internal Clock Transmitter clock is derived from an internal clock  
source.  
External Clock Transmitter timing is derived from the local DTE  
device. Valid only in unframed mode.  
SW2  
Off  
On  
Option  
Disabled  
Enabled  
Note: When using the 2094 as a high-speed short range modem, one  
unit of the link must be configured in either internal or external clock,  
and the other end must be configured for network clock mode.  
Switch SW3 & SW4: CRC-4 Multiframe/Clock Mode  
In framed mode, SW3 is used for CRC-4 MF. CRC-4 Multiframe uses  
Time Slot zero to carry CRC-4 information. It operates independently of  
CAS MF. When CRC-4 is enabled, the unit monitors the incoming data  
stream for CRC-4 errors. It transmits CRC-4 error counts to the trans-  
mitting unit. Excessive errors may cause loss of frame or loss of sync.  
If CRC-4 MF is used, both units must be set for set for CRC-4 MF.  
Otherwise, the one using CRC-4 MF will detect loss of sync.  
Switches SW5, SW6, SW7, and SW8  
Use Switches SW5, SW6, SW7, and SW8 to set the DTE data rate.  
SW5 SW6 SW7 SW8  
Speed  
Off  
On  
Off  
On  
Off  
On  
Off  
On  
Off  
On  
Off  
On  
Off  
On  
Off  
On  
Off  
Off  
On  
On  
Off  
Off  
On  
On  
Off  
Off  
On  
On  
Off  
Off  
On  
On  
Off  
Off  
Off  
Off  
On  
On  
On  
On  
Off  
Off  
Off  
Off  
On  
On  
On  
On  
Off  
Off  
Off  
Off  
Off  
Off  
Off  
Off  
On  
On  
On  
On  
On  
On  
On  
On  
Clear Channel (2.048Mbps)  
64kbps  
128kbps  
192kbps  
256kbps  
384kbps  
512kbps  
640kbps  
768kbps  
1024kbps  
1280kbps  
1536kbps  
1600kbps  
1920kbps  
1984kbps  
invalid  
In unframed mode, SW3 is used to along with SW4 to determine the  
clock mode. In unframed mode, the model 2094 can be set to network,  
internal or external clock mode.  
In framed mode SW4 is used alone to determine the 2094 transmitter  
timing. In framed mode the 2094 can be set to Network or Internal  
clock.  
The following charts represent both cases.  
MULTIFRAME(G.704)  
SW3  
CRC-4 MF  
SW4 Clock Mode  
On  
Off  
On  
Off  
Off  
On  
Network  
Internal  
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NOTE: When the data rate is set to 2.048Mb/s, then the unit is  
forced into G.703 mode, and it transmits user data on all 32 times-  
lots. There is no framing information; therefore, the CAS MF  
(SW2) switch is ignored. SW3 is defaulted to clock mode. In all  
other rate settings, the unit employs G.704 framing; TS0 is  
reserved for signaling.  
Baud rate: 9600  
Parity: None  
Data Length: 8  
Stop Bits: 1  
Default terminal type:  
Local Echo:  
Add Line Feeds after CRs:  
Received Backspace Destructive:  
Backspace key sends:  
VT100  
Off  
Off  
On  
3.2 SOFTWARE CONFIGURATION  
BS  
XON/XOFF software flow control:  
CTS/RTS hardware flow control:  
DSR/DTR hardware flow control:  
On  
Off  
Off  
The Model 2094 features a menu-driven command system that  
allows you to monitor/configure its operating parameters. Follow the  
instructions below to configure the Model 2094 using the software  
switches:  
1) Plug the 9-pin male end of the cable to your terminal or com-  
puter’s DB-9 serial port and start up the terminal emulator  
software if necessary. Plug the miniature stereo plug into the  
rear of the unit. The small recessed jack on the right side of  
the unit is the control port jack.  
4) When the unit is first turned on, the terminal screen may  
appear blank. Press the [Enter] key. If your serial connection  
is good, then the unit will immediately display a password  
prompt. The following message will appear in the middle of  
the screen:  
NOTE: If your terminal uses a DB-25 connector, please use  
a DB-9 to DB-25 Adapter to connect to the cable (See Model  
18PC-M).  
Patton Electronics  
Menu Management  
2) Power up the terminal and set its RS-232 port as follows:  
9600 Baud  
8 data bits, 1 stop bit, no parity  
Local echo off  
Enter Password: _  
ANSI or VT-100 emulation  
Xon/Xoff software flow control enabled  
3) Here is an example of a terminal emulator setup session. In  
normal font are the various parameter types. In bold type are  
the values that should be used for best results. Your terminal  
program’s setup screen may differ from this one:  
5) Type in the password and press [Enter]. The factory default  
password for the unit is:  
patton  
NOTE: The password is case sensitive. If the entry is incor-  
rect, the password screen will clear and prompt you again for  
the correct password. The password you enter will not be  
shown. For security, asterisks will be displayed for each letter  
you type. The maximum length of the password, which can  
include any character the terminal can generate, is 16 charac-  
ters.  
6) The Model 2094 will then display the Main Menu screen.  
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3.2.1 Introduction to Main Menu  
The Main Menu options are briefly described below.  
a
After entering the password, you may access all of the system’s  
functions and parameters. The Main Menu looks like this:  
System Configuration options allow you to change various  
aspects of the Model 2094’s operation, e.g., framing, line cod-  
ing, and aggregate bandwidth.  
System Diagnostics/Statistics options allow you to monitor  
the network performance, initiate V.54 loops, local loops, and  
send test patterns. Network performance parameters are  
updated once a second, giving you the ability to quickly deter-  
mine if there is a problem.  
b
Unit Options allow you to customize the Model 2094 for your  
location. You can change the default header names to give  
each unit a unique name and password. Also, you can reset  
the unit to its default settings without the manual. It also has a  
Service Information screen in case you need technical assis-  
tance from Patton.  
c
Save Changes Once you have configured the unit to your  
satisfaction, you can save the changes permanently by exe-  
cuting the Save Changes command. This will update the units  
configuration and save all the parameters to permanent mem-  
ory.  
d
e
HELPFUL HINTS  
1. To make a selection, key the highlighted letter that corre-  
sponds to a menu selection.  
Logoff For security, log off the control menu by executing the  
Logoff command. This will blank the screen until an [Enter]  
key is pressed.  
2. To execute the selection, type [Enter/CR]  
d
3. Select g Save Changes from Main Menu after making modi-  
fications to any Model 2094 parameter. Otherwise, changes  
will be lost when the Model 2094 is turned off.  
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3.2.2 System Configuration  
b
Line Coding: HDB3 (default)  
The System Configuration menu looks like this:  
Options: HDB3, AMI  
HDB3: In this line coding, the transmitter substitutes a deliberate  
bipolar violation when excessive zeros in the data stream are  
detected. The receiver recognizes these special violations  
and decodes them as zeros. This method enables the net-  
work to meet minimum pulse density requirements. Unless  
AMI is required in your application, HDB3 should be used  
whenever possible.  
AMI: Alternate Mark Inversion defines a pulse as a "mark,” a  
binary one, as opposed to a zero. In a E1 network connec-  
tion, signals are transmitted as a sequence of ones and  
zeros. Ones are sent as pulses, and zeros are sent as  
spaces, i.e., no pulse. Every other pulse is inverted from the  
previous pulse in polarity, so that the signal can be effectively  
transmitted. This means, however, that a long sequence of  
zeros in the data stream will cause problems, since the NTU  
receiving the signal relies on the signal to recover the 2.048  
Mb/s clock. If you must use AMI, you should ensure that the  
data terminal equipment connected to the unit provides a min-  
imally acceptable pulse density. For this reason, there are  
advantages to using HDB3 instead.  
The System Configuration options are described below:  
a
Line Format: G.703 (default)  
Options: G.703, G.704  
G.703: G.703 is unframed, 2.048Mb/s. In this case, the DTE rate  
is equal to the line rate at the network interface (NI). CAS MF  
and CRC-4 are disabled.  
G.704: G.704 reserves TS0 for signaling and frame alignment.  
Maximum data rate depends on whether CAS MF is enabled  
or not.  
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d
g
Clocking: Network (default)  
CAS MF Setting: Disabled (default)  
Options:  
Network, Internal, External  
Options: Enabled, Disabled  
Network: This is the most commonly used setting when connect-  
ing to a carrier’s network. In this mode, the unit recovers the  
clock from the received signal and uses it to transmit data. In  
this way the unit remains synchronized to a master clock. In  
campus applications, one of the units must be set to Internal  
clock, and the other end is set to Network clock. At all times,  
there must be only one clock source. Otherwise, clock slips,  
framing errors, and bit errors may occur.  
CAS MF: CAS multiframe uses Timeslot 16 (TS16) to send multi-  
frame (MF) alignment data. In CAS MF, a MF is defined as 16  
frames, where a frame consists of 32 64kb/s timeslots, num-  
bered 0 to 31. TS16 of the first frame in the MF contains the  
CAS MF alignment word in the upper four bits. The alignment  
word is always 0000 (binary). The 2094 does not perform any  
signaling in TS16 other than to insert the MF alignment word,  
in order to maintain MF alignment. When CAS MF disabled,  
the unit transmits user data in TS16; therefore, up to 31 chan-  
nels are available for user data. When it is enabled, TS16 is  
not available to the user. In this case, the user can use up to  
30 channels for data. CAS MF can be used with CRC-4 MF or  
by itself. When enabled, both units must employ CAS MF; if  
one unit is set for CAS MF, and the other is not, the one using  
CAS MF will detect a loss of sync.  
Internal: This is commonly used in campus applications, where  
the unit is not connected to the public telephone network  
directly. In this mode, the unit uses the on-board oscillator as  
the transmit clock source.  
External: This is a special mode that can only be used with the  
Unframed format. In this mode, the unit requires a 2.048 Mhz  
clock signal from the DTE via the external clock pin on the  
DTE interface connector. Most applications will use Network  
or Internal clock modes.  
i
V.54 Loops: Enabled (default)  
Options: Enabled, Disabled  
This is a special in-band loopback facility that sends a special pseudo-  
random pattern over the data stream. This is the only loopback that the  
unit can initiate. This is useful for campus applications when you need  
to put a remote unit in loopback. The unit responds to the V.54 loop-  
back command, and the whole process takes only a few seconds to  
complete. When V.54 Loopback is disabled, the unit will not be able to  
send or respond to V.54 loopback commands. The duration of the loop-  
back is limited by the loopback timeout setting. While V.54 is being  
activated, user data is overwritten.  
f
CRC-4 Setting: Disabled (default)  
Options: Enabled, Disabled  
CRC-4 Multiframe: CRC-4 Multiframe uses TS0 to carry CRC-4  
information. It operates independently of CAS MF. When  
CRC-4 is enabled, the unit monitors the incoming data stream  
for CRC-4 errors. It transmits CRC-4 error counts to the trans-  
mitting unit . Excessive errors may cause loss of frame or loss  
of sync. If CRC-4 MF is used, both units must be set for CRC-  
4 MF; otherwise, the one using CRC-4 MF will detect a loss of  
sync.  
j
Default Config Source: Switch (default)  
Options: EEPROM, Switch  
The Model 2094 can be initialized via the configuration in the on-board  
permanent memory (EEPROM) or via the internal DIP switches  
(Switch). Once the unit is powered up, you may change the settings  
through the control port or the DIP switches. When you make changes  
through the control port, no changes will take place or be saved to per-  
manent memory until you Save Changes (Main Menu option "d" +  
[Enter]). When you make changes through the switches, all changes  
are made immediately.  
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If you do not have a terminal, you may force the unit to use the DIP  
switches as the default configuration source by turning off the unit, set-  
ting all the DIP switches to the ON position, then powering on the unit.  
This will cause the unit to enter a special mode. Then turn off the unit  
and change the switch settings to the desired settings. When you turn  
the unit on again, the unit will be set up with the selected switch set-  
tings.  
3.2.3 System Diagnostics  
The System Diagnostics/Statistics screen looks like this:  
n
DS0 Channel Configuration Menu [ Bandwidth/# Channels =  
2,048k/na] (default)  
The Channel Configuration Menu has a sub-menu that looks  
like this:  
NOTE: This screen is updated once per second.  
The System Diagnostics/Statistics options and functions are described  
below.  
a
Local Loop Idle (default)  
The Local Loop is a bi-lateral loopback in which the data from the local  
DTE and the data from the remote unit are looped back to their respec-  
tive sources (See Section 5.3). Activate this loop to test the each of  
the DTE’s connection to the Model 2094.  
You may configure the Model 2094 to operate with any combination of  
active and inactive DS0 channels in this screen. When you execute the  
Save Changes command, the selected settings will be saved to perma-  
nent memory, and the system will be updated to operate with the new  
channel settings.  
The Local Loop test has four states:  
Idle  
LL  
No user-controlled loopbacks are active.  
The Model 2094 is in local loopback mode.  
NOTE: In Unframed format, the Bandwidth Selected will display  
“2.048k,” and the Total Channels will display “na.” When using the  
DIP switches to set the bandwidth, the starting channel is always  
channel 1 or 0.  
Off  
The Model 2094 is in remote loopback mode or sending  
a pattern. Local loopback is disabled.  
LocP  
The Model 2094 is in local loopback mode, and is send-  
ing a test pattern.  
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Remote Loop Idle (default)  
b
The Model 2094 receiving a RDL can be in one of the following states:  
The Remote Digital Loopback (RDL) test checks the performance  
RxPr  
Sack  
The Model 2094 is receiving a preparatory pattern.  
of both the local and remote Model 2094s, as well as the communica-  
tion link between them. Data from the local DTE is sent across the  
entire communication circuit and looped back to the local DTE.  
The Model 2094, upon receiving a preparatory pattern,  
sends an acknowledgement message.  
The Model 2094 Initiating a RDL can be in one of the following  
states:  
RL  
The Model 2094 is in remote loopback mode.  
RxTr  
The Model 2094 is receiving a terminate loopback mes-  
sage.  
Idle  
No user-controlled loopbacks are active.  
TxPr  
The Model 2094 is sending the preparatory phase pattern  
lasting for approximately 2 - 5 seconds.  
WE1s The Model 2094 is waiting for a sequence of all ones and  
will time out if it does not receive it.  
WtAk The Model 2094 is waiting for an acknowledgement from  
the remote unit. If the remote unit does not respond, the  
WtAk message will remain on the screen.  
IdleP  
Off  
The Model 2094 is sending a QRSS, 511, or 2047 pat-  
tern.  
The Model 2094 is in local loopback.  
RxAk The Model 2094 has received an acknowledgement from  
the remote unit.  
c
Test Pattern Idle (default)  
Tout  
TM  
The Model 2094 is waiting before entering the Remote  
Loopback test mode.  
Options: Idle or Sending  
To send a pattern, press the ‘c’ key and press <spacebar> to send the  
test pattern. The “OK” message indicates the received test pattern is  
error-free. The BE” message indicates errors in the received pattern.  
You may also hear a beep (from your terminal) once a second as long  
as the unit detects a bit error in the pattern.  
The Model 2094 has successfully negotiated the Remote  
Loopback test and is in control of the remote unit. You  
may send a test pattern at this point by pressing:  
c <spacebar>  
Idle  
Indicates that Model 2094 is not sending a pattern.  
Indicates that Model 2094 is sending a pattern.  
TxTr  
Tx1s  
The Model 2094 is sending a Terminate Loopback mes-  
sage to the remote unit. If the remote unit does not  
respond, the local unit will return to the Idle state.  
Sending  
If the remote Model 2094 responds to the local Model  
2094’s terminate loopback request, the local unit then  
sends an all ones pattern before returning to the Idle  
state  
d
Error Insertion Off (default)  
Options: On, Off  
TxP  
IdlP  
The Model 2094 is sending a test pattern while in Test  
Mode  
You may inject intentional errors into the test pattern by turning Error  
Insertion ON. The Error (ERR) LED will blink once per second.  
The Model 2094 is sending a test pattern in place of data.  
The Model 2094 is not in test mode.  
e
Selected Pattern  
Options: QRSS, 511, or 2047  
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Use this option to select the test pattern used to test the link.  
3.2.4 Unit Options  
NI STATUS  
The Unit Options screen looks like this (factory default):  
The Network interface (NI) status is shown  
in the middle of the Diagnostics/Statistics  
screen. The brackets are empty when the  
link is operating normally. Only one error  
message is provided  
RCL  
Receiver Carrier Loss [RCL] occurs when 255 consecutive zeros  
have been detected at the network interface. RCL clears when a pulse  
is detected.  
Current DIP Switch Settings  
The Switch settings are displayed here to  
facilitate troubleshooting your unit without  
opening up the unit first.  
a
b
Header Line 1 &  
Header Line 2  
Headers 1 and 2 are provided for easy identification of your unit after  
installation. You may want to give each unit a unique name via the  
header lines to help distinguish one unit from another. You can enter a  
header up to 40 letters long. Two lines provide 80 letters for your use.  
That’s a lot of flexibility!  
c
Password  
The Password facility provides security by allowing only those who  
know the correct password to configure the unit via the control port.  
You can still configure the unit via the DIP switches. The password can  
be up to 16 characters long, with no restriction on the combination of  
characters you can use, so be sure to remember the password. The  
password is case sensitive. If you lose your password, you will lose the  
ability to access the unit via the control port.  
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4.0 INSTALLATION  
d
Loop Timeout  
The Model 2094 is equipped with DTE, network, and power interfaces.  
This section briefly describes connection to each.  
The Loop Timeout setting can be set to one of the following:  
00:05 =  
00:10 =  
00:15 =  
00:30 =  
00:45 =  
01:00 =  
01:30 =  
02:00 =  
03:00 =  
NEVER =  
five minutes  
ten minutes  
fifteen minutes  
thirty minutes (default setting)  
forty-five minutes  
one hour  
90 minutes  
two hours  
4.1 DTE INTERFACE CONNECTION  
The DTE interface is a V.35 DCE presented as an M/34 male connec-  
tor. This interface is designed to plug directly into a DTE interface  
(See Appendix D for V.35 interface pin assignments).  
4.2 NETWORK INTERFACE CONNECTION  
three hours  
The Network Line Interface is an eight position keyed modular jack  
configured as a RJ-48C. This interface will need to be configured to  
match the line parameters (i.e. framing, line coding, etc.) supplied by  
the central office.  
forever—the unit will remain in loopback without user  
intervention.  
f
Set to Default Configuration  
1 RX Data (TIP)  
2 RX Data (RING)  
1
You may set the Model 2094 to its factory default configuration, except  
for the header lines and the password, by executing the Set to Default  
Configuration command.  
3 (no connection)  
4 TX Data (TIP)  
5 TX Data (RING)  
6 (no connection)  
7 (no connection)  
8 (no connection)  
2
3
4
5
6
7
8
g
Service Information  
If you need to contact us for help, you can view the Service Information  
screen. Here is what it looks like:  
Figure 3. Model 2094 twisted pair line interface.  
NOTE: If the Model 2094 is being used for private short range  
modem applications, the twisted pair cable connected to its port  
will need to be a cross-over cable. See Appendix D for Interface  
pin assignments.  
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5.0 OPERATION  
4.3 POWER CONNECTION  
Once the Model 2094 is installed and configured properly it is ready  
to place into operation. This section describes the function of the LED  
indicators, and the use of the loopback and pattern test modes.  
The Model 2094 offers three ways to supply external power: AC  
power, DC power and interface power.  
4.3.1 Using the AC Power Supply (100-240VAC)  
5.1 LED DESCRIPTIONS  
The Model 2094 uses a 5VDC, 2A universal input 100-240VAC,  
power supply (center pin is +5V). The universal input power supply is  
equipped with a male IEC-320 power entry connector. This power sup-  
ply connects to the Model 2094 by means of a barrel jack on the rear  
panel. There are a variety of international power cords available for  
the universal power supply. The Model 2094 powers up as soon as it  
is plugged into an AC outlet–there is no power switch.  
The Model 2094 is equipped with seven LED indicators that moni-  
tor the status of communication. Figure 4 (below) shows the location  
of the LEDs on the Model 2094 front panel.  
4.3.2 Supplying DC Power  
The 36-60 VDC DC to DC adapter is supplied with the DC version  
of the Model 2094. The black and red leads plug into a DC source  
(nominal 48VDC) and the barrel power connector plugs into the barrel  
power supply jack on the 2094.  
TXD  
RXD  
LOS  
ALM  
To Power  
To -48VDC  
Supply Jack  
Source  
-Vin  
ERR  
T/L  
Black lead (-V)  
Red lead (+V)  
PWR  
+Vin  
Barrel power connector  
4.3.3 Supplying Power via pin KK  
You may also supply DC power directly to pin KK of the V.35 inter-  
face. DC Power supplied to pin KK must be +5VDC ± 5%, 300mA  
minimum.  
Figure 4. Top of Model 2094, Showing LED Indicators  
TXD  
RXD  
When the unit sends a one, the TXD LED is  
turned on. When it sends a zero, the TXD  
LED is turned off. Moreover, the TXD LED  
is active only in active DS0 channels. In  
inactive channels, the TXD LED is off.  
NOTE: Model 2094 is factory configured to accept power from the  
enclosed DC wall adapter (See Sections 4.3.1 and 4.3.2 above).  
If you wish to supply power via pin KK on the interface, you must  
change the setting of the power supply jumper on the printed cir-  
cuit board See Appendix E. All power sources must be SELV  
(Circuit, Safety Extra Low Voltage) specified. (See CENELEC  
EN60950, Section 1.2.8.5)  
When the unit receives a one, the RXD LED  
is turned on. When it receives a zero, the  
RXD LED is turned off. Moreover, the RXD  
LED is active only in active DS0 channels.  
In inactive channels, the RXD LED is off.  
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LOS  
ALM  
The Loss of Sync LED lights when the unit  
loses synchronization with the incoming sig-  
nal. This may happen when there is a fram-  
ing mismatch or a loss of signal. In  
unframed mode, the LOS LED monitors the  
status of the transmit clock.  
5.2 LOOP (V.54 & TELCO) DIAGNOSTICS  
The Model 2094 offers three V.54 loop diagnostics. Use these  
diagnostics to test the NTU and any communication links. These tests  
can be activated via the software control port (See Section 3.2.3  
System Diagnostics) or via signals on the serial port interface.  
5.2.1 Operating Local Loopback (LL)  
The alarm LED indicates the presence of a  
AIS or RAI, or Out of Frame condition. The  
ALM LED will blink on every half-second.  
Alarms may occur due to:  
The Local Loopback (LL) test checks the operation of the local  
Model 2094, and is performed separately on each unit. Any data sent  
to the local Model 2094 in this test mode will be echoed (returned)  
back to the user device (i.e., characters typed on the keyboard of a ter-  
minal will appear on the terminal screen).  
Loss of Synchronization  
• Loss of Frame  
• AIS (Blue Alarm)  
• RAI (Yellow Alarm)  
To perform a LL test, follow these steps:  
ERR  
The error LED indicates various error condi-  
tions, including framing bit errors, excessive  
zeros, controlled slips, severe errors, or bit  
errors (when sending V.52 test patterns).  
When sending a test pattern, the LED will  
remain lit if the unit does not receive the  
identical pattern. When it receives the cor-  
rect pattern, the LED will turn off. If error  
insertion is on, the LED will blink once a  
second if everything is operating properly.  
1. Activate LL. This may be done in one of two ways:  
a
a. Enter  
Local Loop from the System  
Diagnostics/Statistics menu and toggle the <Spacebar>  
a
until “LL” appears next to the  
Local Loop option.  
b. Activate the “LL” signal on the DTE. If you are not sure  
which lead is the “LL” signal, please refer to Appendix D.  
2. Verify that the data terminal equipment is operating properly  
and can be used for a test.  
TST  
The test indicator LED blinks with a specific  
pattern depending on the type of test mode.  
When the unit is in local analog loop, the  
LED will blink on briefly. When the unit is in  
remote loop, the TST LED will blink off  
briefly. When the unit is sending a test pat-  
tern or is putting the remote unit into V.54  
loopback, the TST LED will stay on. These  
are the test modes:  
3. Perform a V.52 BER (bit error rate) test as described in  
Section 5.3.3. If the BER test equipment indicates no faults,  
but the data terminal indicates a fault, follow the manufactur-  
er’s checkout procedures for the data terminal. Also, check  
the interface cable between the terminal and the Model 2094.  
5.2.2 Operating Remote Digital Loopback (RDL)  
The Remote Digital Loopback (RDL) test checks the performance  
of both the local and remote Model 2094, as well as the communica-  
tion link between them. Any characters sent to the remote Model 2094  
in this test mode will be returned back to the originating device (i.e,  
characters typed on the keyboard of the local terminal will appear on  
the local terminal screen after having been passed to the remote  
Model 2094 and looped back).  
V.54 Loopback & V.52 Patterns  
PWR  
The power indicator LED will remain lit while  
the unit is powered. It turns off when the  
unit is not powered.  
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To perform an RDL test, follow these steps:  
5.3 BIT ERROR RATE (V.52) DIAGNOSTICS  
1. Activate RDL. This may be done in two ways:  
The Model 2094 offers three V.52 Bit Error Rate (BER) test pat-  
terns. These test patterns may be invoked along with the LAL and  
RDL tests to evaluate the unit(s) and the communication links.  
b
a. Enter  
Remote Loop from the System  
Diagnostics/Statistics menu and toggle the <Spacebar>  
b
until “TM” appears next to the Remote Loop option.;  
When a 511, 2047, or QRSS test is invoked, the Model 2094 gen-  
erates a pseudo-random bit pattern of 511 bits, 2047 bits or 220 bits,  
respectively, using a mathematical polynomial. The receiving model  
2904 then decodes the received bits using the same polynomial. If the  
received bits match the agreed upon pseudo-random pattern, then the  
Model 2094(s) and the communication link(s) are functioning properly.  
b. Activate the “RL” signal on the DTE. If you are not sure  
which lead is the “RL” signal, please refer to Appendix D.  
2. Perform a bit error rate test (BERT) using the internal V.52  
generator (as described in Section 5.3), or using a separate  
BER Tester. If the BER test indicates a fault, and the Local  
Line Loopback test was successful for both NetLink™s, you  
may have a problem with the twisted pair line connection.  
511  
Initiates a built-in 511 bit pseudo-random  
pattern generator and detector.  
2047  
QRSS  
Initiates a built-in 2047 bit pseudo-random  
pattern generator and detector.  
Initiates a built-in 220 bit pseudo-random  
pattern generator and detector.  
To perform a V.52 test, follow these steps:  
1. Activate the local loopback or remote loopback diagnostic.  
2. Activate the test pattern. This may be done in one of two  
ways:  
e
a. Enter  
Selected Pattern from the System  
Diagnostics/Statistics menu and toggle the <Spacebar>  
until the desired test pattern appears.  
c
b. Enter  
Test Pattern and toggle the <Spacebar> to  
send the selected pattern.  
c. One of two result codes will appear to the right of the  
c
Test Pattern listing:  
OK Indicates that the received test pattern is error-free.  
BE Indicates that there are errors in the test pattern (to  
deliberately insert errors in the pattern, toggle  
d
Error Insertion to ON).  
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APPENDIX A  
PATTON MODEL 2094  
SPECIFICATIONS  
APPENDIX B  
PATTON MODEL 2094  
CABLE RECOMMENDATIONS  
Network Data Rate:  
Network Connector:  
Nominal Impedance:  
2.048 Mbps  
RJ-48C  
The Patton Model 2094 has been performance tested by Patton  
technicians using twisted-pair cable with the following characteristics:  
120 ohm (75 ohm available when using  
Patton Model 460 Balun)  
Wire Gauge  
Capacitance  
Resistance  
DTE Interface:  
Line Coding:  
Line Framing:  
V.35 (DCE Orientation) on Male M/34  
Selectable AMI or HDB3  
19 AWG  
22 AWG  
24 AWG  
83nf/mi or 15.72 pf/ft.  
83nf/mi or 15.72 pf/ft.  
83nf/mi or 15.72 pf/ft.  
.0163 Ohms/ft.  
.0326 Ohms/ft.  
.05165 Ohms/ft.  
G.703 (Unframed) or G.704/G.732  
(Framed)  
CAS Multiframing:  
CRC-4 Multiframing:  
Clocking:  
Selectable On or Off  
To gain optimum performance from the Model 2094 , please keep  
the following guidelines in mind:  
Selectable On or Off  
Internal, External, or Receive Recover  
Always use twisted pair wire—this is not an option.  
DTE Data Rates:  
64, 128, 192, 256, 384, 512, 640, 768,  
1024, 1280, 1536, 1600, 1920, 1984,  
2048 kbps  
• Use twisted pair wire with a capacitance of 20pf/ft or less.  
Time Slot Rate:  
64 kbps  
• Avoid twisted pair wire thinner than 26 AWG (i.e. avoid AWG  
numbers higher than 26)  
DS0 Start Position:  
DS0 Mapping Position:  
Diagnostics:  
Arbitrary  
Contiguous or Arbitrary  
• Use of twisted pair with a resistance greater than the above  
specifications may cause a reduction in maximum distance obtain-  
able. Functionality should not be affected.  
V.54 Loopback; V.52 Patterns: 511,  
2047, and QRSS  
Indicators:  
Power, Transmit Data, Receive Data,  
Alarm, Loss of Sync, Test Mode, Error  
• Many environmental factors can affect the maximum distance  
obtainable at a particular site. Use the above data rate/distance  
table as a general guideline only.  
Configuration:  
8-Position DIP Switch and RS-232  
Control Port  
Power Supply:  
Humidity:  
100-240VAC, 50-60Hz, 0.4A  
Up to 90% non-condensing  
0 to 70o C  
Temperature:  
Dimensions:  
9.0 x 5.3 x 2.0 cm (3.5”L x 2.1”W x  
0.78”H)  
Model 2703B Distance Table - Km (Miles)  
Data Rate  
(kbps)  
2048  
Wire Gauge  
.7mm (22)  
.5mm (24)  
1.2 (.76)  
1.5 (.95)  
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APPENDIX C  
APPENDIX D  
PATTON MODEL 2094  
PATTON MODEL 2094  
INTERFACE PIN ASSIGNMENTS  
FACTORY REPLACEMENT PARTS  
AND ACCESSORIES  
RJ-48C E1 Network Interface  
(RJ-48S Female Modular Jack)  
Patton Model #  
Description  
2094/CM/UI .....................V.35 to E1 Converter (V.35 M/34 Male,  
UI)  
Pin #  
Signal  
10 - 09F...........................6 Foot Control Port Cable, 25 mm to  
DB9F  
1
2
4
5
RX Data (TIP)  
RX Data (RING)  
TX Data (TIP)  
TX Data (RING)  
08055DCUI......................Universal Input Power Supply  
10-CISCO-V35FT-1.........Cable, V35 (M/34) Female To LFH60  
Male  
07M2094 .........................User Manual  
35  
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APPENDIX D  
APPENDIX E  
PATTON MODEL 2094  
POWER SUPPLY INTERFACE  
(continued)  
PATTON MODEL 2094  
INTERFACE PIN ASSIGNMENTS  
M/34 Connector, Terminal Interface  
Via Main 5VDC power jack (J1)  
Center Pin:  
Outer Barrel:  
5VDC @ 300 mA  
Ground  
Pin #  
A
Signal  
GND (Earth Ground/Shield)  
Jumper Position for Power via DC Power Jack (default):  
B
SGND (Signal Ground)  
D
CTS (DCE Source)  
E
F
DSR (DCE Source, Always On)  
CD (DCE Source)  
L
M
N
P
R
S
T
U
V
W
X
Y
AA  
KK  
LL (Local Loop, DTE Source)  
TM (Test Mode Indicator (DCE Source)  
RL (Remote Loop, DTE Source)  
TD (Transmit Data +, DTE Source)  
RD (Receive Data +, DCE Source)  
TD/ (Transmit Data -, DTE Source)  
RD/ (Receive Data -, DCE Source)  
SCTE (Transmit Clock+, DTE Source)  
RC (Receiver Clock +, DCE Source)  
SCTE/ (Transmit Clock-, DTE Source)  
RC/ (Receiver Clock -, DCE Source)  
TC (Transmitter Clock +, DCE Source)  
TC/ (Transmitter Clock -, DCE Source)  
Aux. Power Input (+5VDC @ 300mA)  
Via Auxiliary Power Supplied to Pin KK on V.35 connector  
DC Power supplied to pin KK must be 5VDC ± 5%, 300mA minimum.  
Jumper Position for Power via Pin KK:  
NOTE: Model 2094 is factory configured to accept power from  
the enclosed DC wall adapter (See Sections 4.3.1 and 4.3.2  
above). If you wish to supply power via pin KK on the interface,  
you must change the setting of the power supply jumper on the  
printed circuit board. All power sources must be SELV (Circuit,  
Safety Extra Low Voltage) specified. (See CENELEC EN60950,  
Section 1.2.8.5)  
38  
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