Black Box Welding Consumables RMU200 User Manual

G-Converter Chassis:  
RMU200  
230VAC Power Supply:  
PSU200-230  
48VDC Power Supply:  
PSU200-DC  
SNMP Management Card:  
MTU200C-SNMP  
Rev 3.6  
G-Converter Chassis  
TECHNICAL: (0118) 965 6000  
SALES: (0118) 965 5100  
FAX: (0118) 965 5001  
ADDRESS: 464 Basingstoke Road, Reading, Berkshire RG2 0QN  
WEB:  
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G-Converter Chassis  
France:  
U.S.A  
Black Box Catalogue  
Black Box Corporation  
Tel: 0145606700  
Fax: 0145606747  
Tel: 724-746-5500  
Fax: 724-746-0746  
Spain:  
Chile  
Black Box Comunicaciones S.A.  
Black Box Chile  
Tel: 34 91 663 0200  
Tel: 00 562 223 8811  
Fax: 34 91 661 84 35  
Fax: 00 562 225 1002  
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G-Converter Chassis  
Contents  
Introduction..............................................................................................................................................7  
Overview.....................................................................................................................................7  
Manager Card.............................................................................................................................8  
Manager Card LED Indication.....................................................................................................9  
Removal of Manager Card..........................................................................................................9  
Power Supplies...........................................................................................................................9  
Installation..............................................................................................................................................10  
Environmental Considerations ..................................................................................................10  
Card Cage System....................................................................................................................10  
Manager Card...........................................................................................................................10  
Power Supplies.........................................................................................................................10  
Channel Cards..........................................................................................................................10  
Management – Overview.......................................................................................................................11  
Supervisor Port (terminal management) ................................................................................................12  
Supervisor Terminal Requirements...........................................................................................12  
Supervisor Terminal Emulation.................................................................................................12  
General set-up Display Layout..................................................................................................13  
General Keyboard Conventions................................................................................................14  
Cursor Movement .....................................................................................................................14  
Parameter Changing.................................................................................................................14  
Accepting all changes and Updating the Configuration.............................................................14  
Abandoning Changes ...............................................................................................................15  
Changing the Configuration Page.............................................................................................15  
Restoring the Factory Default Configuration.............................................................................15  
10 Base-T Port (Telnet Management)....................................................................................................16  
System Name ...........................................................................................................................16  
Location ....................................................................................................................................16  
IP Address ................................................................................................................................16  
Subnet Mask.............................................................................................................................16  
Gateway....................................................................................................................................16  
Supervisor Terminal Requirements...........................................................................................17  
Supervisor Terminal Emulation.................................................................................................17  
General set-up Display Layout..................................................................................................18  
General Keyboard Conventions................................................................................................19  
Cursor Movement .....................................................................................................................19  
Parameter Changing.................................................................................................................19  
Accepting all changes and Updating the Configuration.............................................................19  
Abandoning Changes ...............................................................................................................20  
Changing the Configuration Page.............................................................................................20  
Restoring the Factory Default Configuration.............................................................................20  
Telnet Screen............................................................................................................................20  
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Ethernet Screen........................................................................................................................21  
IP Screen..................................................................................................................................22  
Alarms Screen ..........................................................................................................................23  
Events Screen...........................................................................................................................24  
SNMP Management...............................................................................................................................25  
System name............................................................................................................................25  
Location ....................................................................................................................................25  
IP Address ................................................................................................................................25  
IP Address ................................................................................................................................25  
Gateway....................................................................................................................................25  
Supervisor Terminal Requirements...........................................................................................25  
Supervisor Terminal Emulation.................................................................................................26  
General set-up Display Layout..................................................................................................26  
Typical Configuration Display....................................................................................................27  
General Keyboard Conventions................................................................................................28  
Cursor Movement .....................................................................................................................28  
Parameter Changing.................................................................................................................28  
Accepting all changes and Updating the Configuration.............................................................28  
Abandoning Changes ...............................................................................................................29  
Changing the Configuration Page.............................................................................................29  
Restoring the Factory Default Configuration.............................................................................29  
Diagnostics ............................................................................................................................................30  
Manager Card...........................................................................................................................30  
Power Supply............................................................................................................................30  
Fan Assembly...........................................................................................................................30  
SNMP Traps .............................................................................................................................30  
Appendix A- Warnings ...........................................................................................................................31  
Appendix B –Approval Requirements ....................................................................................................33  
Appendix C - EMC Requirements..........................................................................................................34  
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G-Converter System’s Chassis  
User Manual  
WARNING - BEFORE INSTALLATION, PLEASE REFER  
TO SAFETY INSTRUCTIONS IN APPENDIX A, AND  
EMC INSTRUCTIONS IN APPENDIX C  
Certified Compliant in the EC, when fitted with G.703/704 to X.21 interface/rate converter Data  
Channel cards, and in accordance with the installation instructions.  
Low Voltage Directive (73/23/EEC and amendment 93/68/EEC)  
EN60950  
: 1992 (Safety)  
Electromagnetic Compatibility directive (89/336/EEC and subsequent  
amendments to date):  
EN55022  
EN50024  
: 1994 (Emissions)  
: 1998 (Immunity)  
Telecommunications Terminal Equipment directive (91/263/EEC and  
amendment 93/68/EEC) where indicated in approvals requirements section.  
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G-Converter Chassis  
Introduction  
This manual provides information covering installation and set-up procedures of the G-  
Converter Card Cage System.  
Accommodation within the Card Cage System is provided for up to 18 Channel Cards; 1  
Manager Card; and 2 Power Supplies. All cards may be ‘hot swapped’. The Card Cage  
System is normally supplied with a single 40W 230V AC Power Supply Module. Additional  
Power Supply Modules can be supplied to meet specific requirements.  
Overview  
The Card Cage System, manufactured from extruded aluminium, comprises 21 slots, within a  
19-inch, 3U enclosure. A PCB back plane, which provides interconnection between the  
front and rear sections of the Channel cards, is located towards the back of the enclosure.  
Channel connection is achieved by simply plugging the appropriate front and rear sections  
into the back plane.  
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Manager Card  
The Manager Card is a single section card that plugs into Slot 19 of the Card Cage System.  
This card provides the facilities for setting up and controlling all types of Data Channel  
Cards, additionally it is used to log and report faults on the Channel Cards, Power Supplies  
and Cooling Fan. Both a 10 Base-T Ethernet port and an RS232 Supervisor port are  
provided. Access to these ports is via the fixed rear panel of the Card Cage System.  
The Manager Card is essential for controlling most types of Data Channel Cards, exceptions  
being the G-Converter 2.048Mbps and the G-Converter Nx64k.  
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The Nx64 Channel Cards are universal and may be operated with/or without a Manager Card.  
Rotary switches, recessed into the front panel, permit selection of the data rate in [N x 64k  
increments]. The selected N rate is simultaneously confirmed via the numeric display.  
The 2.048Mbps Channel Cards have no set up or alarm features negating the need for the  
Manager Card.  
Manager Card LED Indication  
On the front of the Manager Card are five LEDs. In order, from top to bottom, they are:-  
LED name  
Function  
Manager Card operational  
Red = faulty,  
green =ok  
Ethernet activity  
Amber = TX and RX, green = link active,  
Off = no link  
PSU 1 operational  
PSU 2 operational  
Fan operational  
Red = faulty, green =ok  
Red = faulty, green =ok  
Red = faulty, green =ok  
Removal of Manager Card  
The Manager Card can only be fitted in slot 19.  
The Manager Card can be ‘hot swapped’ by simply releasing the retaining screws on the top  
and bottom of the Manager Panel and with the aid of the injector/ejector handles withdraw  
the card. Simply reverse this process to install the card.  
N.B if the Data Channel Cards were powered during the swapping of a Manager Card then  
the new Manager Card will interrogate the data channel cards for set up parameters and store  
these in its non volatile memory.  
Power Supplies  
The Card Cage provides accommodation for up to two Euro-cassette types, 40 watt, Power  
Supply Modules. Typically, a single Power Supply will be fitted; adding a second Power  
Supply reduces the probability of power failure.  
The Power Supplies are connected to individually fused and filtered IEC inlets; each module  
is capable of powering the fully populated Card Cage. If two modules are installed loading  
is shared between them. In the event of one of the modules failing the other will supply the  
complete Power requirement of the Card Cage.  
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Installation  
Before installation, refer to the safety warnings, approvals requirements and emc  
requirements in the appendices.  
Environmental Considerations  
The equipment must be operated under the following atmospheric conditions:  
Temperature:  
Humidity:  
0 to 40 degrees centigrade.  
0% to 90% non-condensing.  
Card Cage System  
The Card Cage System should be housed in a cabinet that is considered by EN60950 to be a  
suitable electrical and fire enclosure. Refer to Appendix A for safety warnings. A fixing  
flange is fitted to the front of the Card Cage to mount the unit into the cabinet.  
Manager Card  
Note: THE MANAGER CARD MUST ONLY BE PLUGGED INTO SLOT 19.  
The Manager Card is connected to the 9 Way-D Supervisor Port, and the RJ45 10Base-T  
port, located adjacent to the fan on the rear of the Card Cage. Connection between individual  
Channel Cards and the Manager Card is achieved via the back plane (See Figures 1 and 2).  
There are no user configurable links on the Manager Card.  
Power Supplies  
The Power Supplies are installed in Slots 20 and 21. Slot 21 is located on the extreme right  
hand side of the Card Cage, when viewing it from the front, (See Figure 1). Mains power for  
Slots 20 and 21 is provided by a pair of IEC connectors, the upper connector is allocated for  
Slot 21, the lower connector for Slot 20.  
When only one Power Supply is fitted it should be into Slot 21 with mains power being  
supplied via the upper IEC connector. A blanking panel should be installed to cover Slot 20.  
Channel Cards  
Channel Cards for the Card Cage may be selected to meet several requirements; the cards are  
fitted into slots 1 to 18. The cards can be ‘hot swapped’ by simply releasing the retaining  
screws on the top and bottom of the panel and with the aid of the injector/ejector handles  
carefully withdrawing the card. Simply reverse this process to install a card.  
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Management – Overview  
This manual deals with the set-up configurations specific to the Card Cage assembly.  
Configuration of the various Channel Cards available is detailed in a separate manual.  
A choice of three methods is available to manage the Channel Cards: Terminal Management  
via the Supervisor Port, Telnet and SNMP.  
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Supervisor Port (terminal management)  
This RS232 option is presented on a female 9 Way-D connector. It can support VT52,  
VT100, ADDSVP, ADM3A, H1500, N8009, and TVI920 terminal emulation modes.  
Selection of the required option is made on the power up screen.  
Supervisor Terminal Requirements  
The terminal should be configured as follows:  
8 bits per character, no parity, one stop bit, speed 19.2 Kbps.  
A ‘modem’ or ‘straight’ serial cable is suitable for connection of the Supervisor port (the  
Supervisor port pin-out out is described in Appendix C).  
Supervisor Terminal Emulation  
The Manager Card supports several terminal emulations. When connection is made between the  
terminal and the RS232 Supervisor port, the following screen will appear:  
Please select terminal type from the following:  
1 = VT52  
2 = VT100  
3 = ADDSVP  
4 = ADM3A  
5 = H1500  
6 = N8009  
7 = TVI920  
The terminal type or emulation in use should be selected by pressing the relevant number key on  
the PC or terminal. The terminal will then show the basic configuration screen for the chassis’s  
set-up.  
You may return to this screen at any time by pressing ‘CTRL’ and ‘E’ at the same time.  
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General set-up Display Layout  
There are three main areas on the Supervisor set-up screen used to change parameters for the  
Card Cage System:  
Upper left –  
System parameters  
Upper right –  
Other display pages which may  
be selected.  
Bottom –  
Configuration.  
Typical Configuration Display  
Figure 3  
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General Keyboard Conventions  
Only a few keys are required to configure the chassis and are summarised as follows:  
(Right arrow)  
(Left arrow)  
(Up arrow)  
Moves the cursor to the next field to the right.  
Moves the cursor to the next field to the left.  
Moves the cursor to the next field upwards.  
Moves the cursor to the next field downwards.  
(Down arrow)  
+ (Plus) or <SPACEBAR> Toggles the parameter value up to the next available setting.  
(Minus) Toggles the parameter value down to the next available setting.  
<ENTER> or <RETURN> Accepts the current display page (otherwise the same as ).  
<CTRL> and U  
<ESC>  
Updates all changes.  
Abandons all changes since the last <CTRL> U.  
Refresh screen.  
<CTRL> and P  
Cursor Movement  
The cursor symbol “>” is moved around the screen to the required field using the arrow  
keys.  
Parameter Changing  
If it is possible to modify the field over which the cursor is placed, an appropriate message is  
shown at the bottom of the screen. No message will appear if the field is non-configurable.  
Pressing the Space bar, the “+” key or the “-“ key will cycle through the choices available for a  
parameter.  
Accepting all changes and Updating the Configuration  
If “Control” and “U” are pressed at the same time after the configuration has been altered,  
the configuration is updated at the local and remote end as necessary and held in non-volatile  
Memory.  
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Abandoning Changes  
Pressing ESC at any point before a configuration is updated will cause the message  
Abandon Changes? (y/n)” to appear at the bottom of the screen. If “n” is selected, the  
message will disappear and editing may continue. If “y” is pressed, all modifications will be  
abandoned and the last updated configuration will be re-printed on the screen.  
Changing the Configuration Page  
The Configuration Page required, e.g. “Alarms”, is selected by moving the cursor to the  
upper right area and pressing Enter when alongside the required page. The currently  
selected page is indicated by a ‘*’.  
Restoring the Factory Default Configuration  
The system may be reset to the factory default configuration by pressing CTRL-R four times  
when the cursor is on the Terminal emulation page (see page 12). A ‘Confirm’ message will  
be displayed before the configuration is reset. The previous configuration will be lost.  
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10 Base-T Port (Telnet Management)  
This method uses the 10 Base-T RJ45 (Ethernet) port. When a Telnet compatible PC is  
connected to this port a management platform identical to that available via the Supervisor  
Port is supported.  
Before Telnet or SNMP management is used, it is essential that the notes relating to  
Supervisor Port Management be studied. (See pages12-15).  
To enable SNMP or Telnet management, information must be added to the Manager Card via  
the Supervisor Port. The user must first set up various parameters namely IP address, Subnet  
Mask and Gateway.  
The information required is:  
System Name  
A text field to identify the system. May be up to 32 characters.  
Location  
A text field to identify the location of the system. May be up to 32 characters.  
IP Address  
The IP address of the system. This must be set from the supervisor port to enable SNMP or  
Telnet access.  
Subnet Mask  
The Subnet mask of the local network. This must be set from the supervisor port before  
SNMP and Telnet access is required.  
Gateway  
The IP address of the default gateway from the local network.  
To assist the process of adding this information, the relating to Supervisor port management  
is detailed below.  
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Supervisor Terminal Requirements  
The terminal should be configured as follows:  
8 bits per character, no parity, one stop bit, speed 19.2 Kbps.  
A ‘modem’ or ‘straight’ serial cable is suitable for connection of the Supervisor port (the  
Supervisor port pin-out out is described in Appendix C).  
Supervisor Terminal Emulation  
The Manager Card supports several terminal emulations. When connection is made between the  
terminal and the RS232 Supervisor port, the following screen will appear:  
Please select terminal type from the following:  
1 = VT52  
2 = VT100  
3 = ADDSVP  
4 = ADM3A  
5 = H1500  
6 = N8009  
7 = TVI920  
The terminal type or emulation in use should be selected by pressing the relevant number key on  
the PC or terminal. The terminal will then show the basic configuration screen for the chassis’s  
set-up.  
You may return to this screen at any time by pressing ‘CTRL’ and ‘E’ at the same time.  
17  
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General set-up Display Layout  
There are three main areas on the Supervisor set-up screen used to change parameters for the  
Card Cage System:  
Upper left –  
System parameters  
Upper right –  
Other display pages which may  
be selected.  
Bottom –  
Configuration.  
Typical Configuration Display  
Figure 4  
18  
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General Keyboard Conventions  
Only a few keys are required to configure the chassis and are summarised as follows:  
(Right arrow)  
(Left arrow)  
(Up arrow)  
Moves the cursor to the next field to the right.  
Moves the cursor to the next field to the left.  
Moves the cursor to the next field upwards.  
Moves the cursor to the next field downwards.  
(Down arrow)  
+ (Plus) or <SPACEBAR> Toggles the parameter value up to the next available setting.  
(Minus) Toggles the parameter value down to the next available setting.  
<ENTER> or <RETURN> Accepts the current display page (otherwise the same as ).  
<CTRL> and U  
<ESC>  
Updates all changes.  
Abandons all changes since the last <CTRL> U.  
Refresh screen.  
<CTRL> and P  
Cursor Movement  
The cursor symbol “>” is moved around the screen to the required field using the arrow  
keys.  
Parameter Changing  
If it is possible to modify the field over which the cursor is placed, an appropriate message is  
shown at the bottom of the screen. No message will appear if the field is non-configurable.  
Pressing the Space bar, the “+” key or the “-“ key will cycle through the choices available for a  
parameter.  
Accepting all changes and Updating the Configuration  
If “Control” and “U” are pressed at the same time after the configuration has been altered,  
the configuration is updated at the local and remote end as necessary and held in non-volatile  
Memory.  
19  
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Abandoning Changes  
Pressing ESC at any point before a configuration is updated will cause the message  
Abandon Changes? (y/n)” to appear at the bottom of the screen. If “n” is selected the  
message will disappear and editing may continue. If “y” is pressed, all modifications will be  
abandoned and the last updated configuration will be re-printed on the screen.  
Changing the Configuration Page  
The Configuration Page required, e.g. “Alarms”, is selected by moving the cursor to the  
upper right area and pressing Enter when alongside the required page. The currently  
selected page is indicated by a ‘*’.  
Restoring the Factory Default Configuration  
The system may be reset back to the factory default configuration by pressing CTRL-R four  
times when the cursor is on the Terminal emulation page (see page 12). A ‘Confirm’ message  
will be displayed before the configuration is reset. The previous configuration will be lost.  
Telnet Screen  
The Telnet screen allows Telnet specific parameters to be set.  
Set password  
Telnet password (Blank = no password)  
TCP Port  
TCP port being used (Read only)  
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Inbound CR  
Outbound CR  
Terminal  
Specify CR > CR, LF translation on input stream.  
Specify CR > CR, LF translation on output stream.  
Terminal type (Read Only)  
Inbound IP*  
Inbound Mask*  
Telnet allowed only from this IP address  
Mask for inbound only from this address  
*Setting a bit to 1 in an inbound mark means the corresponding bits specified in Inbound IP  
and the IP address from which the Telnet is being established must match for a Telnet  
connection to be permitted.  
Ethernet Screen  
The Ethernet page displays Ethernet Statistics for the unit.  
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IP Screen  
The IP page displays the IP Statistics for the unit.  
The TX statistics are on the left, RX statistics on the right. The statistics shown are since  
power on and are self-explanatory.  
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Alarms Screen  
The Alarms page shows the current alarms status of the chassis, not the individual C The  
level of alarm for each fault condition can be configured from here as minor. The options  
are;  
No action:  
Log only:  
Minor:  
Fault condition is not reported  
Fault condition is recorded in event log.  
as “Log only” but minor alarm is illuminated on the front panel and an  
SNMP trap(s) will be sent if configured.  
Major:  
as “Log only” but major alarm is illuminated on the front panel and an  
SNMP trap(s) will be sent if configured.  
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Events Screen  
The information given is event number, time and date and a text string detailing the nature of  
the event. The system clock is also set from this screen. Enter a string in the format hh—  
mm—ss dd/mm/yy. A two-digit year is used representing a 100-year window from 1996 to  
2095.  
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SNMP Management  
To enable SNMP or Telnet management, information must be added to the Manager Card via  
the Supervisor Port. The user must first set up various parameters namely IP address, Subnet  
Mask and Gateway.  
The information required is:  
System name  
A text field to identify the system. May be up to 32 characters.  
Location  
A text field to identify the location of the system. May be up to 32 characters.  
IP Address  
The IP address of the system. This must be set from the Supervisor port to enable SNMP or  
Telnet access.  
IP Address  
The Subnet mask of the local network. This must be set from the Supervisor port before  
SNMP and Telnet access is required.  
Gateway  
The IP address of the default gateway from the local network.  
To assist the process of adding this information, the relating to Supervisor port management  
is detailed below.  
Supervisor Terminal Requirements  
The terminal should be configured as follows:  
8 bits per character, no parity, one stop bit, speed 19.2 Kbps.  
A ‘modem’ or ‘straight’ serial cable is suitable for connection of the Supervisor port (the  
Supervisor port pin-out out is described in Appendix C).  
25  
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G-Converter Chassis  
Supervisor Terminal Emulation  
The Manager Card supports several terminal emulations. When connection is made between the  
terminal and the RS232 Supervisor port, the following screen will appear:  
Please select terminal type from the following:  
1 = VT52  
2 = VT100  
3 = ADDSVP  
4 = ADM3A  
5 = H1500  
6 = N8009  
7 = TVI920  
The terminal type or emulation in use should be selected by pressing the relevant number key on  
the PC or terminal. The terminal will then show the basic configuration screen for the chassis’s  
set-up.  
You may return to this screen at any time by pressing ‘CTRL’ and ‘E’ at the same time.  
General set-up Display Layout  
There are three main areas on the Supervisor set-up screen used to change parameters for the  
Card Cage System:  
Upper left –  
System parameters  
Upper right –  
Other display pages which may  
be selected.  
Bottom –  
Configuration.  
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Typical Configuration Display  
Figure 5  
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General Keyboard Conventions  
Only a few keys are required to configure the chassis and are summarised as follows:  
(Right arrow)  
(Left arrow)  
(Up arrow)  
Moves the cursor to the next field to the right.  
Moves the cursor to the next field to the left.  
Moves the cursor to the next field upwards.  
Moves the cursor to the next field downwards.  
(Down arrow)  
+ (Plus) or <SPACEBAR> Toggles the parameter value up to the next available setting.  
(Minus) Toggles the parameter value down to the next available setting.  
<ENTER> or <RETURN> Accepts the current display page (otherwise the same as ).  
<CTRL> and U  
<ESC>  
Updates all changes.  
Abandons all changes since the last <CTRL> U.  
Refresh screen.  
<CTRL> and P  
Cursor Movement  
The cursor symbol “>” is moved around the screen to the required field using the arrow  
keys.  
Parameter Changing  
If it is possible to modify the field over which the cursor is placed, an appropriate message is  
shown at the bottom of the screen. No message will appear if the field is non-configurable.  
Pressing the Space bar, the “+” key or the “-“ key will cycle through the choices available for a  
parameter.  
Accepting all changes and Updating the Configuration  
If “Control” and “U” are pressed at the same time after the configuration has been altered,  
the configuration is updated at the local and remote end as necessary and held in non-volatile  
Memory.  
28  
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Abandoning Changes  
Pressing ESC at any point before a configuration is updated will cause the message  
Abandon Changes? (y/n)” to appear at the bottom of the screen. If “n” is selected the  
message will disappear and editing may continue. If “y” is pressed, all modifications will be  
abandoned and the last updated configuration will be re-printed on the screen.  
Changing the Configuration Page  
The Configuration Page required, e.g. “Alarms”, is selected by moving the cursor to the  
upper right area and pressing Enter when alongside the required page. The currently  
selected page is indicated by a ‘*’.  
Restoring the Factory Default Configuration  
The system may be reset back to the factory default configuration by pressing CTRL-R four  
times when the cursor is on the Terminal emulation page (see page 12). A ‘Confirm’ message  
will be displayed before the configuration is reset. The previous configuration will be lost.  
This method uses the 10Base–T RJ45 port (Ethernet) port. An SNMP management package  
i.e. (Open View, SNMP) can be used along with the supplied MIB to manage the Card Cage  
System.  
If additional Channel Cards are installed after the initial installation, a new MIB may be  
required, please contact Black Box for information  
The MIB must be compiled and installed in accordance with the instructions for the specific  
SNMP management application being used. You should refer to the user guide for your  
SNMP management software for more details.  
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Diagnostics  
For diagnostics of the Channel Cards see the relevant Data Channel Card manual.  
Manager Card  
The upper LED of the 5 LED display being illuminated red indicates Manager Card faults. If  
the Manager is suspected to be faulty, test the functionality of the card by substitution with a  
known working card.  
Power Supply and Fan faults are also indicated on the Manager Card LED display,[the LED  
display is shown in the diagram at the top of Page 8], in case of failure, the LED is  
illuminated red.  
Power Supply operation is additionally indicated by a single LED, on the front panel of the  
module, this LED should be green if the Card Cage is powered.  
Power Supply  
The Power Supply is a 40Watt universal input (88 Vac to 264 Vac) delivering 5volts to the  
back plane PCB. The Manager Card monitors the output voltage of the Power Supplies; a  
corresponding red LED on the Manager Card front panel indicates deviation outside limits.  
If a Power Supply Module is suspect and the chassis contains two Power Supplies then it can  
be ‘hot swapped’ with a replacement unit. To ‘hot swap’ a Power Supply Module, release the  
two retaining screws on the top and bottom of the Power Supply front panel and remove the  
unit. Simply reverse this process to install a card. Ensure that if a Power Supply is  
removed it is allowed a minute to discharge before it is plugged back into a rack system.  
If the green LED on the Power Supply is not illuminated then check the fuse in the IEC  
connector. If the fuse has blown replace it with a “Little fuse” 5 x20mm 1.0A anti-surge. If  
the PSU blows a fuse for the second time then it is faulty and should be returned for repair.  
There are no user serviceable parts within the Power Supply.  
Fan Assembly  
This is a high reliability component and should not fail. Replacement of this component  
should only be performed by a qualified engineer. Under no circumstances should the  
fan be replaced while the chassis is powered.  
SNMP Traps  
When managing the unit via SNMP, it is possible to configure the chassis to send SNMP  
Trap messages to a remote system when a fault condition occurs. Any fault conditions  
configured to generate a minor or major alarm will also generate Traps.  
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Appendix A- Warnings  
WARNING:  
WARNING:  
This unit is a Class one product and thus relies on the protective earth in  
the 230volt-AC power mains leads. Under no circumstances must the  
unit be operated with this earth disconnected.  
INSTALLATION OF EQUIPMENT  
Installation of this equipment must only be performed by suitably trained  
service personnel.  
This equipment allows connection only of suitable equipment to its ports,  
the safety status of which are defined below.  
SELV Ports:  
i)  
10BaseT  
ii)  
Supervisor  
The above named ports are classified as SELV (Safety Extra Low  
Voltage) in accordance with in Clause 2.3 of EN60950 (BS7002, IEC950  
as applicable), and must only be connected to equipment which similarly  
complies with the SELV safety classification.  
Fire/Electrical enclosure  
WARNING:  
WARNING:  
To comply with the requirements of EN60950 the Card Cage System  
must be located in a suitable cabinet complying with the requirements of  
EN60950 for a fire and electrical enclosure.  
Non ‘hot swap’ components.  
The Card Cage System has the ability to have certain cards removed  
whilst the unit is powered up and operating. These cards are;  
i)  
Manager Card front.  
ii)  
iii)  
Data Channel Cards front and rear  
Power Supplies front  
The Power Supply rear panel that accommodates the mains inlet  
connectors, fan, 10Base-T RJ45 and Supervisor D-type must under  
no circumstances be removed.  
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WARNING:  
Mains accessibility  
The mains socket outlet must be installed near the equipment and must  
be easily accessible.  
Exposed Mains.  
WARNING:  
When the Power Supply Modules are removed from the Card Cage, the  
connector on the back plane will contain mains voltage. Do not insert  
anything other than a Power Supply Module into the exposed aperture of  
the Card Cage System.  
Earth point.  
WARNING:  
The central earth point for the Card Cage System is located on the right  
hand panel of the Card Cage (when viewed from the front) This stud is  
marked with an earth symbol and should on no account be tampered  
with.  
Fuse Operation.  
WARNING:  
WARNING:  
Failure of one mains fuse will not necessarily remove mains power  
totally.  
Fuse.  
Only to be replaced with a 5 x20mm 1.0A anti-surge fuse.  
Mains Isolation  
WARNING:  
To isolate unit form mains supply BOTH IEC sockets must be  
disconnected.  
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Appendix B –Approval Requirements  
The G-Converter System carrying the BABT/CE168 assessment symbols and approval number,  
is approved for connection to the networks identified in this Appendix as follows:  
G.703/G.704  
At the time of writing three types of data channel card are approved. They are the G-Converter  
Card Nx64, G-Converter Card Nx64M and the G-Converter Card 2.048Mbps. They have Pan  
European approval to CTR12 and CTR13 (where appropriate) via RJ45 Connector (120 Ohms  
Balanced). The 75 Ohms unbalanced variants have approval to PD7024.  
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Appendix C - EMC Requirements  
To ensure compliance with the EMC directive, some care must be taken to ensure that the units  
are installed properly, using suitable screened cables and connections. The following must be  
observed:  
This product relies on the use of screened cables for connection to the 9 Way 'D-Type'  
Supervisor port. The cable must have the foil or braid screen connected effectively to the metal  
headshell to ensure continued compliance.  
The diagram below illustrates an example of a suitable screen connection. Note how the foil or  
braid screen is bent back over the 'C' clip to achieve a pressure contact of the screen against the  
shell:  
It is important to keep the screen to shell connection as short as possible.  
10 Base-T Supervisor Port Connections  
Description  
TxP  
Type At Connector  
Output  
RJ45 Socket  
1
2
3
6
TxN  
Output  
RxP  
Input  
RxN  
Input  
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Supervisor Port Connections  
Description  
Type At Connector  
DCE – 9-Way D-Type  
Female Socket  
DCD  
RxD  
Output  
Output  
Input  
1
2
3
4
5
6
7
8
9
TxD  
DTR  
Common  
DSR  
RTS  
N/C  
GND  
Output  
Input  
CTS  
Output  
N/C  
RI  
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