Black Box MTU200CF-N64, MTU200CF-N64M, MTU200CR-X21-75, MTU200CR-V35-75 User Manual

G-Converter Nx64 and Nx64 (M)

Channel Cards

TECHNICAL:

SALES:

FAX:

ADDRESS:

WEB:

[phone]
[phone]
[phone]
464 Basingstoke Road, Reading, Berkshire RG2 0QN
www.blackbox.co.uk

G-Converter Nx64 SNMP Configuration
(Front Card):

MTU200CF-N64

G-Converter Nx64 SNMP and Manual
Configuration (Front Card):

MTU200CF-N64M

G-Converter Rear Card
75 Ohm BNC X.21: MTU200CR-X21-75
75 Ohm BNC V.35: MTU200CR-V35-75

120 Ohm RJ45 X.21: MTU200CR-X21-75
120 Ohm RJ45 V.35: MTU200CR-V35-75

SALES: 0118 965 5100

How To Contact your Local Black Box

Italy: Australia:

Black Box Italia S.P.A Black Box Catalog Australia PTY LTD

Tel: [phone] Tel: [phone]
Fax: [phone] Fax: [phone]
Web Site: www.blackbox.it

Deutschland: Brazil:

Black Box Deutschland Black Box Do Brasil.

Tel: [phone] Tel: [phone]
Fax: [phone] Fax: [phone]
Web Site: www.blackbox-deutschland.com Web Site: www.blackbox.com.br

Switzerland: Canada:

Datacom Black Box Services AG Black Box Canada Corp.

Tel: [phone] Tel: [phone]
Fax: [phone] Fax: [phone]
Web Site: www.black-box.ch Web Site: www.blackbox.com

Netherlands: Mexico:

Black Box Datacom BV Black Box De Mexico S.A. de C.V

Tel: [phone] Tel: [phone]
Fax: [phone] Fax: [phone]
Web Site: www.blackbox.nl/ Web Site: www.blackbox.com.mx

Belgium: Japan:

Black Box Black Box Catalog

Tel: [phone] Tel: [phone]
Fax: [phone] Fax: [phone]
Web Site: www.blackbox.be Web Site: www.blackbox.co.jp/

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G-Converter Nx64 Channel Cards

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France: U.S.A

Black Box Catalogue Black Box Corporation

Tel: [phone] Tel: [phone]
Fax: [phone] Fax: [phone]
Web Site: www.blackbox.fr Web Site: www.blackbox.com

Spain: Chile

Black Box Comunicaciones S.A. Black Box Chile

Tel: [phone] Tel: [phone]
Fax: [phone] Fax: [phone]
Web Site: www.blackbox.es Web Site: www.Blackbox.cl

3

G-Converter Nx64 Channel Cards

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G-Converter Nx64 and Nx64M

G.703 to X.21/V.35 Converter Card

User Manual

WARNING - BEFORE INSTALLATION, PLEASE REFER

TO SAFETY INSTRUCTIONS IN APPENDIX A, AND

EMC INSTRUCTIONS IN APPENDIX C

The following declaration is made assuming the G-Converter Nx64 also G-Converter Nx64 (M)
Channel Cards have been installed correctly in an G-Converter ChassisCard Cage.
Certified Compliant in the EC, when fitted in accordance with the installation instructions,
against the following directives/standards:

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 : 1994 (Emissions)
EN55024 : 1998 (Immunity)

Telecommunications Terminal Equipment directive (91/263/EEC and
amendment 93/68/EEC) where indicated in approvals requirements section.

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Contents

Contents...................................................................................................................... 5

Introduction................................................................................................................. 9

G-Converter Nx64 ........................................................................................... 9

G-Converter Nx64 (M)...................................................................................... 9

Functional Overview......................................................................................... 9

Typical applications........................................................................................ 10

Installation................................................................................................................. 11

Environmental Considerations........................................................................ 11

Installation in to the G-Converter Chassis...................................................... 11

G.703 Interface Presentation 120Ohm................................................ 11

G.703 Interface Presentation 75Ohm.................................................. 11

X.21/V.11 DCE interface...................................................................... 11

V.35 DCE Interface.............................................................................. 12

Configuration and Use - G-Converter Nx64 ............................................................. 13

Supervisor Port (terminal management)................................................................... 14

Supervisor Terminal Requirements................................................................ 14

Supervisor Terminal Emulation...................................................................... 14

General set-up Display Layout....................................................................... 15

General Keyboard Conventions..................................................................... 16

Cursor Movement........................................................................................... 16

Parameter Changing...................................................................................... 16

Accepting all changes and Updating the Configuration.................................. 16

Abandoning Changes..................................................................................... 17

Changing the Configuration Page.................................................................. 17

Restoring the Factory Default Configuration .................................................. 17

10 Base-T Port (Telnet Management)....................................................................... 18

System Name................................................................................................. 18

Location.......................................................................................................... 18

IP Address...................................................................................................... 18

Subnet Mask................................................................................................... 18

Gateway......................................................................................................... 18

Supervisor Terminal Requirements................................................................ 19

Supervisor Terminal Emulation...................................................................... 19

General set-up Display Layout....................................................................... 20

General Keyboard Conventions..................................................................... 21

Cursor Movement........................................................................................... 21

Parameter Changing...................................................................................... 21

Accepting all changes and Updating the Configuration.................................. 21

Abandoning Changes..................................................................................... 22

Changing the Configuration Page.................................................................. 22

Restoring the Factory Default Configuration................................................... 22

Telnet Screen................................................................................................. 22

Ethernet Screen.............................................................................................. 23

The TX statistics are on the left, RX statistics on the right. The statistics

shown are from the most recent “power on”; the statistics are not

stored in a no-volatile memory............................................................. 23

IP Screen........................................................................................................ 24

Alarms Screen................................................................................................ 25

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Events Screen................................................................................................ 26

SNMP Management.................................................................................................. 27

System name.................................................................................................. 27

Location.......................................................................................................... 27

IP Address...................................................................................................... 27

IP Address...................................................................................................... 27

Gateway......................................................................................................... 27

Supervisor Terminal Requirements................................................................ 27

Supervisor Terminal Emulation...................................................................... 28

General set-up Display Layout....................................................................... 28

Typical Configuration Display......................................................................... 29

Cursor Movement........................................................................................... 30

Parameter Changing...................................................................................... 30

Accepting all changes and Updating the Configuration.................................. 30

Abandoning Changes..................................................................................... 31

Changing the Configuration Page.................................................................. 31

Restoring the Factory Default Configuration................................................... 31

SNMP Enterprise MIB.................................................................................... 31

Configuration and Use - G-Converter Nx64 ............................................................. 32

Configuration Overview. G-Converter............................................................. 32

Card Type............................................................................................ 32

Name 33

Control................................................................................................. 33

Rate 33

Network................................................................................................ 33

Transmit............................................................................................... 33

Allow 33

Control Flag(s)..................................................................................... 34

X.21 34

V.35 34

Termination.......................................................................................... 34

Loop 34

None 34

Local 34

Network

................................................................................

35

Remote Loopback

................................................................................

35

Clock 35

Network

................................................................................

35

External 2048KHz

................................................................................

35

External N x 64KHz

................................................................................

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35

Alarm 35

None 36

Log only

................................................................................

36

Minor Alarm

................................................................................

36

Major Alarm

................................................................................

36

Operating Modes............................................................................................ 36

Operating Mode 1................................................................................ 37

Operating Mode 2................................................................................ 38

Operating Mode 3................................................................................ 39

Operating Mode 4................................................................................ 40

Front panel LED indicator............................................................................... 41

Configuration and Use - G-Converter Nx64 (M)........................................................ 42

Configuration Overview.................................................................................. 42

G-Converter Nx64(M) Switch position............................................................ 43

Management Selection................................................................................... 44

Management by switches.................................................................... 44

Operating Mode 1

................................................................................

44

Operating Mode 2

................................................................................

44

Operating Mode 3

................................................................................

45

Operating Mode 4

................................................................................

45

Local Control

................................................................................

46

Remote Control

................................................................................

46

Diagnostics................................................................................................................ 47

Loopbacks...................................................................................................... 47

Appendix A - Warnings0............................................................................................ 48

Appendix B – Approval Requirements...................................................................... 49

Appendix C - EMC Requirements............................................................................. 50

Appendix D - G.703 120 Ohms Interface Pinout....................................................... 52

Appendix E - G.703 75 Ohms Interface Pinout......................................................... 52

Appendix F – RJ45 E1 Crossover Cable................................................................... 52

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Appendix G – X.21/V.11 Data Channel Pinout.......................................................... 53

Appendix H – V.35 DCE Pinout................................................................................. 54

Appendix I - V.35 Stub Cable.................................................................................... 55

Appendix J - Position of Switches on the G-Converter–1(M).................................... 56

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G-Converter Nx64 Channel Cards

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Introduction

This manual provides information covering installation and set-up procedures of the G­Converter Channel Card, types G-Converter Nx64 and G-Converter Nx64 (M)

These cards are designed to be used in conjunction with a G-Converter Chassis System for
which there is a separate manual.

G-Converter Nx64 (M) Channel Cards are interface adapters that will convert between a
G.703/G.704 link and an X.21/V.11 interface or optionally V.35.

The intended use of these units is to terminate G.703/704 links. These units have the ability
to operate at DCE rates between zero and 2048Kbps in 64k steps. Selection of these DCE
rates is conveyed across the G.703/G.704 link from the central site management unit by a
proprietary in-band-signalling scheme.

Two variants of the G-Converter Nx64 Channel Cards are available: G-Converter Nx64 and
G-Converter Nx64 (M).

G-Converter Nx64

The G-Converter Nx64 is configured and managed via the Manager Card housed in the G­Converter Chassis .The G-Converter Nx64 Channel Card has a tri-coloured LED mounted on
the front panel, this indicates the card status, additional information is available from the
Management System.

G-Converter Nx64 (M)

The G-Converter Nx64 (M) incorporates two rotary switches accessible through the front
panel. In addition to the tri-coloured LED there is also a dual seven-segment LED display on
the front panel. Operation of the rotary switches permits the G-Converter Nx64 (M) Channel
Cards to be operated without a Manager Card. If preferred the G-Converter Nx64 (M) may
be managed by the Manager Card, this is achieved by selection of onboard DIL switches.

Functional Overview

G-Converter Channel Cards provide interface and rate conversion between G.703 data stream
and X.21/V.11 or optionally V.35 interface.

The E1 connection is via either an RJ45 connector offering a120-Ohm balanced impedance
or two BNC connectors offering an unbalanced 75-Ohm impedance. The N x
64Kbps,X.21/V.11 connection is via a 15 way D type connector. V.35 connection is also
available on a 15 way D type connector, a conversion cable providing MRAC connection is
available as an option.

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G-Converter Nx64 Channel Cards

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Typical applications

Typically the G-Converters are used to connect a router with an X.21/V.11 or V.35 interface
to an E1 circuit with G.703 interface. Additionally both versions offer the ability to reduce
the data rate of the X.21 or V.11/V.35 interfaced connection in 64Kbps steps.

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Installation

BEFORE INSTALLATION, PLEASE REFER TO THE SAFETY WARNINGS,
APPROVAL REQUIREMENTS AND EMC REQUIREMENTS IN THE APPENDICES.

Environmental Considerations

The equipment may only be operated under the following atmospheric conditions:

Temperature: 0 to 40 degrees centigrade.
Humidity: 0% to 90% non-condensing.

Installation in to the G-Converter Chassis

The G-Converter Channel Cards are plugged into slots numbered 1 to 18 of the Card Cage.
The card is divided into 2 pieces the longer card is plugged into the backplane from the front
of the G-Converter Chassis; the shorter card with connectors is plugged into the backplane
from the rear of the Card Cage. It is essential that the front and rear cards are plugged

into sockets in the backplane with the same number.

There are 4 variants of rear card:

1. 120 Ohm, RJ45 E1 connection,15 way D type X.21/V.11 data connection

2. 120 Ohm, RJ45 E1 connection, 15 way D type V.35 data connection.*

3. 75 Ohm, Dual BNC E1 connection, 15 way D type X.21/V.11 data connection

4. 75 Ohm, Dual BNC E1 connection, 15 way D type V.35 data connection.*

* Converter cable to MRAC connector available as an option.

After plugging the cards into the Card Cage, they should be retained by the screws provided
in the front and rear panels.

G.703 Interface Presentation 120Ohm.

A shielded RJ45 connector is provided on the rear of the G-Converter Nx64 Channel Card.
The port is compliant with TBR12. A pin out of this connector is given in Appendix D.

G.703 Interface Presentation 75Ohm

Dual 75 Ohm BNC connectors are provided with this option. This port is compliant with
PD7024. See Appendix E.

X.21/V.11 DCE interface.

This interface is presented on a 15 way D-type female connector. A pin out of this connector
is given in Appendix G.

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V.35 DCE Interface

This interface is presented on a 15-way D-type female connector. A pin out of this connector
is given in Appendix H.

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Configuration and Use - G-Converter Nx64

There are no switches or configuration links on the G-Converter Nx64 Channel Card. All
the management and configuration is performed through the G-Converter Chassis Manager
Card. This allows the G-Converter Nx64 Channel Card to be configured either by SNMP,
data terminal (VT100) via the supervisor port or Telnet.

Use of these management media are covered in the G-Converter Chassis user manual and
repeated below.

This manual will cover the specific configuration and management of the G-Converter Nx64
Channel Card.

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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:

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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G-Converter Nx64 Channel Cards

Please select terminal type from the following:

1 = VT52
2 = VT100
3 = ADDSVP
4 = ADM3A
5 = H1500
6 = N8009
7 = TVI920

TECHNICAL: 0118 931 2233

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

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G-Converter Nx64 Channel Cards

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General Keyboard Conventions

Only a few keys are required to configure the chassis and are summarised as follows:

→ (Right arrow) Moves the cursor to the next field to the right.
← (Left arrow) Moves the cursor to the next field to the left.
↑ (Up arrow) Moves the cursor to the next field upwards.
↓ (Down arrow) Moves the cursor to the next field downwards.
+ (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 Updates all changes.

<ESC> Abandons all changes since the last <CTRL> U.

<CTRL> and P Refresh screen.

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 13). A ‘Confirm’ message will
be displayed before the configuration is reset. The previous configuration will be lost.

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G-Converter Nx64 Channel Cards

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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 pages13-16).

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:

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.

19

G-Converter Nx64 Channel Cards

Please select terminal type from the following:

1 = VT52
2 = VT100
3 = ADDSVP
4 = ADM3A
5 = H1500
6 = N8009
7 = TVI920

SALES: 0118 965 5100

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

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G-Converter Nx64 Channel Cards

TECHNICAL: 0118 931 2233

General Keyboard Conventions

Only a few keys are required to configure the chassis and are summarised as follows:

→ (Right arrow) Moves the cursor to the next field to the right.
← (Left arrow) Moves the cursor to the next field to the left.
↑ (Up arrow) Moves the cursor to the next field upwards.
↓ (Down arrow) Moves the cursor to the next field downwards.
+ (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 Updates all changes.

<ESC> Abandons all changes since the last <CTRL> U.

<CTRL> and P Refresh screen.

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 back to the factory default configuration by pressing CTRL-R four
times when the cursor is on the Terminal emulation page (see page 13). 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)

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Set Password Telnet password (Blank = no password)

TCP Port TCP port being used (Read only)

Inbound CR Specify CR > CR, LF translation on input stream.

Outbound CR Specify CR > CR, LF translation on output stream.

Terminal Terminal type (Read Only)

Inbound IP* Telnet allowed only from this IP address

Inbound Mask* 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.

The TX statistics are on the left, RX statistics on the right. The statistics shown are from the
most recent “power on”; the statistics are not stored in a no-volatile memory.

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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: Fault condition is not reported
Log only: Fault condition is recorded in event log.
Minor: 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 Events Page shows events stored in the Event Log. The Event Log can hold 672 events.
If this number is exceeded, the oldest events are overwritten.

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).

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G-Converter Nx64 Channel Cards

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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:

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.

28

G-Converter Nx64 Channel Cards

Please select terminal type from the following:

1 = VT52
2 = VT100
3 = ADDSVP
4 = ADM3A
5 = H1500
6 = N8009
7 = TVI920

TECHNICAL: 0118 931 2233

Typical Configuration Display

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G-Converter Nx64 Channel Cards

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General Keyboard Conventions

Only a few keys are required to configure the chassis and are summarised as follows:

→ (Right arrow) Moves the cursor to the next field to the right.
← (Left arrow) Moves the cursor to the next field to the left.
↑ (Up arrow) Moves the cursor to the next field upwards.
↓ (Down arrow) Moves the cursor to the next field downwards.
+ (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 Updates all changes.

<ESC> Abandons all changes since the last <CTRL> U.

<CTRL> and P Refresh screen.

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 back to the factory default configuration by pressing CTRL-R four
times when the cursor is on the Terminal emulation page (see page 13). 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.

SNMP Enterprise MIB

The MIB allows the Card Cage to be remotely managed via the 10Base T Ethernet port. The
Card Cage system is supplied with an Enterprise MIB. This file can be installed in to any
SNMP management software. The MIB must be compiled in accordance with the SNMP
management application being used. The Enterprise MIB is supplied as a 3.5” floppy disc.

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Configuration and Use - G-Converter Nx64

An G-Converter Nx64 Channel Card has no front panel switches or display. All the
management and set-up is performed via the Manager Card which MUST be fitted. The
Screen that manages this card is

Configuration Overview. G-Converter

This section covers the parameters that can be configured and explains the significance of the
messages.

Card Type

The G-Converter and G-Converter (M) can be supplied with four different types of interface.
The option s are;

There are 4 variants of rear card:

1. 120 Ohm, RJ45 E1 connection,15 way D type X.21/V.11 data connection

2. 120 Ohm, RJ45 E1 connection, 15 way D type V.35 data connection.*

3. 75 Ohm, Dual BNC E1 connection, 15 way D type X.21/V.11 data connection

4. 75 Ohm, Dual BNC E1 connection, 15 way D type V.35 data connection.*

*Converter cable to MRAC connector available as an option.

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The G-Converter front card will auto detect the type of rear card fitted and display it on the
screen. In the case of the X.21 variant the control signals are “C” and “I”. In the case of the
V.35 interface variants the control signals are FLAG1 O/P, FLAG2 O/P and FLAG3 I/P. The
function of these signals is left for the user although if the supplied V.35 stub cable is used
these signals take on the identity of CTS DSR and RTS respectively.

Name

A 32 alphanumeric field that can contain any user defined string. It can be used to identify
which network the particular card is connected to e.g. London, Slough, etc

Control

The network speed of the X.21/V.35 interface is variable from 0Kbps to 2048Kbps. This
speed is set by one of the G-Converter units at one end of the link. The G-Converter that sets
this DCE speed is known as the “LOCAL” and the G-Converter that does not set the speed
but obeys the LOCAL is known as the “REMOTE”. One G-Converter at the end of each link
must be local and one must be remote. It is normal to configure the G-Converter Channel
card as LOCAL and the G-Converter Stand unit alone as remote. (Although the roles could
be reversed)

Rate

This is the N value for the DCE speed of the X.21/V.35 port to operate at. The speed of the
port is Nx64Kbps giving a possible range of values of N from 0 to 32. Note only the G­Converter configured as LOCAL will respond to this instruction.

Network

The G-Converter Channel card is able to operate on either G.703 (unframed data) giving a
maximum DCE X.21 Data rate of 2048Kbps, or G.704 (framed data) giving a maximum
DCE data rate of 1984Kbps.

Transmit

The G-Converter G.703/704 Transmit circuit can be suppressed in the event of the
G.703/704 receive circuit loosing clock. This may be a useful way of indicating to the other
end there is a problem with the link.

Allow

Allow unframed operation. If unframed operation is allowed then the DCE will operate at
2048Kbps in the event of unrecognisable G.704 framing data. If Allow is turned off then in
the event of unrecognisable G.704 farming data then the DCE will operate at 0Kbps. Use this
option if the user application card connected to the DCE will not operate at 2048Kbps.

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Control Flag(s)

Depending on the rear card type plugged into the G-Converter either the “C” “I” menu item
is displayed or the “FLAG1 O/P FLAG2 O/P and FLAG3 I/P is displayed

X.21

When an X.21 interface variant is plugged in to the back of an G-Converter then this menu
item is displayed. The “I” lead status is synthesised by the G-Converter Channel card since
no information about the “I” lead is passed across the link. Status of the “I” lead is either

• I lead following C lead

• I lead active

• I lead inactive

• I lead following state of G.703 carrier flag

V.35

When the V.35 interface is selected the FLAG 1 O/P and FLAG 2 O/P can be individually
controlled. For each FLAG O/P four choices are available to the user.

• FLAG x O/P following FLAG 3 I/P

• FLAG x O/P active

• FLAG x O/P inactive

• FLAG x O/P following state of G.703 carrier

Termination

On the X.21 Interface the receive data pins have the ability to have a 120 Ohm terminating
resistor switch in. This feature may be useful if there is a termination problem with the X.21
circuit.

Loop

There are four choices available

None

This is the normal operating mode with no loopback in place

Local

When local loopback is selected, the data arriving at the DTE port is looped back to the DTE
port. When set to local loopback, the received data and transmit data of the X.21 interface are
looped. The DTE clock speed will always be determined by the management setting if the
unit is set for remote or local operation.

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Network

When network loopback is selected the data ariving at the G.703/704 port is looped back to
the network.

Remote Loopback

A feature that allows a central site system containing a rack mounted G-Converter to be able
to cause the “remote” stand alone G-Converter to enter a loopback mode is available.. When
this feature is enabled it is possible for the central site, by passing a special command across
the link, to request the remote G-Converter to enter loop back state. Once this state has been
entered, it will remain in loopback for approximately 3 minutes. A timer will appear in this
menu window The data and clock being outputted through the DCE port at the remote end
will be suppressed and the data arriving at the X.21/V.35 drivers/receivers on the remote end
will be looped back to the central site.

Clock

The G-Converter has the ability to use as its clock source a clock supplied from the connected
DTE. An external clock is supplied externally to the G-Converter via the EXT clock pins, of
the 15 way D type connector (pins 7 and 14). The three clock modes are;

Network

This is the normal mode, in this mode the clock recovered from the G.703/704 network is
used to transmit on the G.703/704 network and to clock the Data to the DTE interface.

External 2048KHz

In this mode the external clock, being supplied must be 2048Kbps +/- 50 ppm and the jitter
content compliant with the requirements of TBR12 and PD 7024. The function of the G­Converter in this mode is identical to operation with recovered clock (network clock) with the
exception that the clock source is from the external clock and not the G.703/4 link.

At all times the assumption is made that the clock being supplied to the G-Converter from the
G.703/4 network is as per TBR12/PD7024 requirement.

External N x 64KHz

In this mode the external clock being supplied must be Nx 64Kbps +/- 50 ppm and the jitter
content compliant with the requirements of TBR12 and PD 7024. The function of the G­Converter in this mode will measure the external clock and set the operation of the G­Converter to this speed. In this mode the unit will become a Local.

Alarm

The G-Converter Channel card is capable of generating an alarm in the event of either loss of
carrier or loss of framing (only when G.704 network is selected)

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The alarm can be handled in four ways;

None

No record in the event log, no major or minor traps generated, no manager LED indication.

Log only

Only logs alarms in the in event log.

Minor Alarm

Logs alarms in the event log and activates minor alarm trap Also illuminates minor alarm
LED on the manager card.

Major Alarm

Logs alarms in the event log and activates major alarm trap. Also illuminates major alarm
LED on the manager card.

Operating Modes

The The G-Converter has four operating modes. Please see the following pages for
examples.

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Operating Mode 1

G.703 Transparent interface converter, data rate fixed at 2048Kbps,

In this mode the data is routed directly from the G.703 interface to the X.21/V.11 interface. In
transparent mode the G-Converter Nx64 may be connected to other G.703 to X.21/V.11
converters. Set the Channel card to:

Mode 1 operation with 2048K data rate set

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Operating Mode 2

G.703 Interface, data rate configurable between Zero and 2048Kbps.

When converters are to be set up as a pair, one unit MUST be configured as a Local unit and
the other a Remote unit.

In this mode DCE data rates may be selected between 0bps and 2048Kbps in 64Kbps steps.
A proprietary framing scheme is used to control the value of N.

It is recommended this mode is used only if data rates up to 2048Kbps are required as a fault
condition on the G.703 link could force the DCE clock to operate at 2048Kbps. If the user
equipment is only capable of running at say 256Kbps then this may cause problems.

Mode2 Operation with 256K Data rate set

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Operating Mode 3

G.703 Interface, data rate configurable between 0bps and 1984Kbps

When converters are to be set up as a pair, one unit MUST be configured as a Local and the
other a Remote unit

In this mode data rates may be selected between 0bps and 1984Kbps in 64Kbps steps. A
proprietary framing scheme is used to control the value of N.

Use this mode if you are sure you will not want to use N = 32 (i.e. 2048Kbps).

Mode 3 operation with 256K data rate set

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Operating Mode 4

G.704 Interface, data rate configurable between 0bps and 1984Kbps

When converters are to be set up as a pair, one unit MUST be configured as a Local unit and
the other a Remote unit.

In this mode, all speeds are possible between 0bps and 1984Kbps in 64Kbps steps. A
proprietary framing scheme is used to control the value of N.

Operating Mode 4 would be used if you were connected to a G.704 network. In this mode a
fault condition on the G.704 link could force the DCE clock to operate at 0Kbps.

Mode 4 operation with 1984K data rate set.

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Front panel LED indicator

The G-Converter Nx64 Channel Card has one LED indicator

LED COLOUR STATUS NOTES

RED Link faulty No RX Carrier established. CRC4

error detected. No framing synch
found when
Operating on a G.704 network.

ORANGE LOOP Either a Local loop or a remote

GREEN Link good Normal operation

OFF No power LED faulty, Unit faulty

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Configuration and Use - G-Converter Nx64 (M)

Configuration Overview

The G-Converter Nx64 (M) is essentially the same, as an G-Converter Nx64 except that it
may be operated in a Card Cage System that does not contain a Manager Card.

All the setting up can be implemented on internal DIL switches and front panel recessed
rotary switches. A toggle switch controls the loop back function.

The “N” x 64k value is displayed on a pair of numeric indicators.

It is possible to configure an G-Converter Nx64 (M) to be managed by a Manager Card if the
on board DIL switch is appropriately selected, it will behave in exactly the same way as an
G-Converter Nx64 .

When an G-Converter Nx64 (M) is configured to be managed by its own internal switches it
is still possible to interrogate the card via a Manager Card and display the settings and status,
however any attempt to change the card set-up will not be successful.

An external clock input is provided on the DCE port to enable the G-Converter Nx64 (M) to
be clocked from the connected DTE.

Configuration of the G-Converter Nx64 (M) is achieved in two simple stages involving
internal and front panel switches. See Appendix J for switch location on G-Converter Nx64
(M).

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G-Converter Nx64(M) Switch position

SW POSITION FUNCTION SETTING

SW1, 1 Selects either remote operation

or local operation

Off = local
On = remote

SW1, 2 Selects interface type Off = G.703

On = G.704

SW1, 3 Allows unframed operation On = unframed operation not

permitted
Off = unframed operation
permitted

1

SW1, 4
SW1, 5

Sets up operation of X.

When X.21/V.11 interface set.
X= I lead
Y= C lead.

When V.35 interface set

X= FLAG 1 O/P,
Y= FLAG 3 I/P

SW4, 4 = off, SW4, 5 = off,
X follows Y
SW4, 4 = on, SW4, 5 = on,
X follows Carrier
SW4, 4 = off, SW4, 5 = on,
X = active
SW4, 4 = on, SW4, 5 = off,
X = inactive

SW1, 6 Sets G-Converter to permanent

Transparent mode 2048Kbps

Off = permanent straight through

2

On = framed/unframed

SW1, 7 Sets G.70x TX off if no G.703

RX detected

Off=G.703 TX enabled always.
On = G.703 TX disabled in the
event of G.703 RX not being
present

4

SW1,8 Selects termination for the X.21

interface

Off = no termination on TX or S
On = TX and S terminated in
120Ohms

SW1, 8 Use External Clock

3

On = Use external clock. Off = do
not use external clock.

SW5,1 Selects management Off = Managed via switches

On = Managed via manager
SW5, 2
SW5, 3

Sets up operation of FLAG 2
O/P “X “ when set for V.35
interface

SW5, 2 = off, SW5, 3 = off,

X follows Flag3 I/P

SW5, 2 = on, SW5, 3 = on,

X follows Carrier

SW5, 2 = off, SW5, 3 = on,

X = active

SW5, 2 = on, SW5, 3 = off

X = inactive
SW5,4 Sets Autobauding on or off Off = External 2048KHz

On = External N x 64KHz

N.B for Autobauding SW5,5 must

be set to on
SW5,5 Selects network clock source Off = use network clock

On = use external clock

N.B for Autobauding SW5,5 must

be set to on
SW5,6-8 Not used Not used

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Management Selection

When the Channel Card is set to be managed by Switches (Internal SW5/1 set to off) All the
set up information is taken from the DILL switches and front panel recessed rotary switches.
The setup information can be viewed from the Manager Card (via VT100, Telnet SNMP) but
not altered. When the Channel Card is set to be managed by manager (Internal SW5/1 set to
on) All the set up information is taken from the Manager Card, the unit behaves exactly as an
G-Converter.

Management by switches

The equipment has four operating modes:.

Operating Mode 1

G.703 Transparent interface converter, data rate fixed at 2048Kbps,

Remove the cover of the unit(s), locate Internal Switch 4 and set as follows:

SW1,1 SW1,2 SW1,3 SW1,4 SW1,5 SW1,6 SW1,7 SW1,8
NR NR NR NR NR OFF OFF OFF

N.B. NR = Not Relevant.

The external Loop switch (front panel) should be set as Normal.

In this mode the data is routed directly from the G.703 interface to the X.21/V.11 interface.
The rotary switch settings are ignored and time slot 31 is not monitored. In transparent mode
the G-Converter Nx64 may be connected to other G.703 to X.21/V.11 converters.

Operating Mode 2

G.703 Interface, data rate configurable between Zero and 2048Kbps.

SW1,1 SW1,2 SW1,3 SW1,4 SW1,5 SW1,6 SW1,7 SW1,8

✷

OFF OFF NR NR ON OFF OFF

N.B. NR = Not Relevant.

✷When converters are to be set up as a pair, one unit MUST be configured as a Local unit

(SW1, 1 = Off) and the other a Remote unit (SW1, 1=On)

The external Loop switch (front panel) should be set as Normal.

In this mode DCE data rates may be selected between 0bps and 2048Kbps in 64Kbps steps.
A proprietary framing scheme is used to control the value of N.

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It is recommended this mode is used only if data rates up to 2048Kbps are required as a fault
condition on the G.703 link could force the DCE clock to operate at 2048Kbps. If the user
equipment is only capable of running at say 256Kbps then this may cause problems.

Operating Mode 3

G.703 Interface, data rate configurable between 0bps and 1984Kbps

SW1,1 SW1,2 SW1,3 SW1,4 SW1,5 SW1,6 SW1,7 SW1,8

✷

OFF ON NR NR ON OFF OFF

N.B. NR = Not Relevant.

✷When converters are to be set up as a pair, one unit MUST be configured as a Local unit

(SW1, 1 = Off) and the other a Remote unit (SW1, 1=On)

The external Loop switch (front panel) should be set as Normal.

In this mode data rates may be selected between 0bps and 1984Kbps in 64Kbps steps. A
proprietary framing scheme is used to control the value of N.

Use this mode if you are sure you will not want to use N = 32 (i.e. 2048Kbps).

When operating in this mode, a fault condition on the G.703 link will force the DCE clock to
operate at 0Kbps and display “Er” on the display.

Operating Mode 4

G.704 Interface, data rate configurable between 0bps and 1984Kbps

SW1,1 SW1,2 SW1,3 SW1,4 SW1,5 SW1,6 SW1,7 SW1,8

✷

ON NR NR NR ON OFF OFF

N.B. NR = Not Relevant.

✷When converters are to be set up as a pair, one unit MUST be configured as a Local unit

(SW1, 1 = Off) and the other a Remote unit (SW1, 1=On)

The external Loop switch (front panel) should be set as Normal.

In this mode, all speeds are possible between 0bps and 1984Kbps in 64Kbps steps. A
proprietary framing scheme is used to control the value of N.

Operating Mode 4 would be used if you were connected to a G.704 network. In this mode a
fault condition on the G.704 link could force the DCE clock to operate at 0Kbps and flash
“Er” on the display.

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Local Control

When the converter is configured as Local (Internal switch: SW1, 1 = off) the DCE rates are
selected by using the two rotary switches located on the front of the unit. As the switch is
rotated, using a screwdriver, the position of the switch sets the number “N” which is
displayed on the seven-segment LED display. The two switches, identified as XIO and
X1, are located at the left-hand side of the front panel. X10 selects tens, X1 selects units,
permitting selection of N =0 to a maximum of 32. When local mode is selected the decimal
point of the right hand digit of the seven-segment display is illuminated.

DCE rate allocation is N x 64Kbps, so an indication of N = 23 signifies a DCE rate of
1472Kbps. The information that N = 23 is encoded and transmitted across the link in time
slot 31.

Remote Control

When the converter is configured as Remote (Internal switch SW5, 1 = on) the DCE rate is
controlled by the control information being received in time slot 31. Configuration of the
DCE speed on this remote unit is controlled by the ‘Local’ unit since the front panel switches
will be deactivated, as outlined in the Introduction above.

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Diagnostics

Loopbacks

G-Converter Nx64
The loop back is activated via SNMP, Terminal or Telnet

It is possible to apply loop backs either at the X.21 side of the converter or the G.703 link
interface side of the converter. Simple functionality tests may be performed on a single G­Converter Nx64 Channel Card converter whilst disconnected from the Network.

A BERT tester configured as a DTE capable of generating test patterns should be connected
to the “To DTE” port of the G-Converter Nx64 Channel Card.

With the Link interface disconnected, the LOOP on the G-Converter Nx64 Channel Card set
to Local, the BERT tester will detect the clock being generated by the G-Converter Nx64
Channel Card and if the unit is operating correctly the looped back data should be error free.
The clock speed will be determined by the SNMP setting.

Ensure that the “To DTE” port is providing data rates between 0 and 2048Kbps by selecting 0
to 31 with the SNMP. Note that during switching of DTE speed errors may be generated.
This is acceptable as long as when the speed setting is in a steady state no errors are detected.

G-Converter Nx64 (M)
Loopbacks are selected by the front panel toggle switch.

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0 0 0 0 0 0 0 0

Appendix A - Warnings0

WARNING: This equipment relies on the EARTH/GROUND connection to ensure

EMC compliance. It must not under any circumstances be operated
without an earth connection, which could nullify its approval.

WARNING: INSTALLATION OF EQUIPMENT

Installation of this equipment must only be performed by suitably
trained service personnel.

This equipment allows connection only of suitably approved
equipment to its ports, the safety status of which are defined below.

SELV Ports:

i) “To DTE”

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.

TNV Ports:

i) Euro 120 ohm RJ45

The above named ports are classified as TNV (Telecom Network
Voltage) in accordance with Clause 6 of EN60950 (BS7002, IEC950 as
applicable), and must only be connected to equipment, which similarly
complies with the TNV safety classification.

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Appendix B – Approval Requirements

The G-Converter Nx64 and G-Converter (M) Channel Card Converter 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

Throughout Europe (Pan European) to CTR12 and CTR13 via RJ45 Connector (120 Ohms
Balanced) The 75 Ohms unbalanced variant is approved 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 Type At Connector RJ45 Socket

TxP Output 1

TxN Output 2

RxP Input 3

RxN Input 6

Supervisor Port Connections

Description Type At Connector DCE – 9-Way D-Type

Female Socket

DCD Output 1

RxD Output 2

TxD Input 3

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DTR N/C 4

Common GND 5

DSR Output 6

RTS Input 7

CTS Output 8

RI N/C 9

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Appendix D - G.703 120 Ohms Interface Pinout

COMPOSITE INTERFACE CONNECTIONS (EUROPE)

USING 120 OHM BALANCED RJ45

Name Description Type at Connector DTE – RJ45

Female

RxA RX Pair Input 1
RxB RX Pair Input 2
TxA TX Pair Output 4

TxB TX Pair Output 5

S1 Shield Reference - 3
S2 Shield Reference - 6

Appendix E - G.703 75 Ohms Interface Pinout

COMPOSITE INTERFACE CONNECTIONS (UK)
USING 75 OHM UN-BALANCED BNC

Name Description Type at Connector DTE – BNC

Female

RxA
RxB

RX Pair

Input Centre RX

Ground

Reference

Outer RX

TxA

TxB

TX Pair

Output Centre TX

Ground

Reference

Outer TX

Appendix F – RJ45 E1 Crossover Cable

RJ45 CROSSOVER CABLE (EUROPE)

USING 120 OHM BALANCED RJ45

Name Description DTE2 – RJ45 Male DTE1 – RJ45 Male

TxRxA
TxRxB

TXRX Pair 4 1

5 2
RxTxA
RxTxB

RXTX Pair 1 4

2 5

S1 Shield Reference 6 3
S2 Shield Reference 3 6

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Appendix G – X.21/V.11 Data Channel Pinout

X.21/V.11 Data Channel connectors

(15 Way DB25 Type Configured DCE)

DATA CHANNEL CONNECTIONS

Name Description Type at Connector DCE – DB15

Female

Protective Ground - 1
G Signal Ground - 8
T(A) TxDa Input 2
T(B) TxDb Input 9
R(A) RxDa Output 4
R(B) RxDb Output 11
S(A) Clock a Output 6
S(B) Clock b Output 13
I(A) Indicate a Output 5
I(B) Indicate b Output 12
C(A) Control a Input 3
C(B) Control b Input 10
X(A) Ext Clock a Input 7
X(B) Ext Clock b Input 14

Notes:

Connector shell and termination must be as specified in the EMC section contained in
Appendix C.

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Appendix H – V.35 DCE Pinout

15 Way female D type configured as DCE

DATA CHANNEL CONNECTIONS

Number Name Type at Connector DCE – DB15

Female

- Protective Ground - 1

102 Signal Ground Bidirectional 8

See note 1 Flag 3 I/P V.28 Input 15

113 ExtClk(A) V.11 Input 7
113 ExtClk(B) V.11 Input 14
115 RXClk(A) V.11 Output 6
115 RXClk(B) V.11 Output 13
114 TXClk(A) V.11 Output 5
114 TXClk(B) V.11 Output 12
104 RX(A) V.11 Output 4

104 RX(B) V.11 Output 11
See note 2 Flag 1 O/P V.28 Output 3
See note 2 Flag 2 O/P V.28 Output 10

103 TXD(A) V.11 Input 2

103 TXD(B) V.11 Input 9

Note 1. Input flag can be configured to be any V.28 input (to DCE) i.e. Request To Send
RTS (105),

Note 2 Output Flags can be configured to any V.28 outputs (from DCE) i.e. Clear To Send
CTS (106), Data Set Ready DSR (107) Data Carrier Detect DCD (109)

Connector shell and termination must be as specified in the EMC section contained in
Appendix C.

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G-Converter Nx64 Channel Cards

TECHNICAL: 0118 931 2233

Appendix I - V.35 Stub Cable

V.35 Stub cable

15 way D type

connector Male

Name Type MRAC 34 pin

Female

1 Protective Ground - Shield
8 Signal Ground Bidirectional B

15 RTS(Flag 3 I/P) V.28 Input C

7 ExtClk(A) V.11 Input U

14 ExtClk(B) V.11 Input W

6 RXClk(A) V.11 Output V

13 RXClk(B) V.11 Output X

5 TXClk(A) V.11 Output Y

12 TXClk(B) V.11 Output AA

4 RX(A) V.11 Output R

11 RX(B) V.11 Output T

3 RFS (Flag 1 O/P) V.28 Output D

10 DSR(Flag 2 O/P) V.28 Output E

2 TXD(A) V.11 Input P
9 TXD(B) V.11 Input S

Connector shell and termination must be as specified in the EMC section contained in
Appendix C.

55

G-Converter Nx64 Channel Cards

SALES: 0118 965 5100

Appendix J - Position of Switches on the G-Converter–1(M)

56

G-Converter Nx64 Channel Cards