Cable Connections And Adapters - Nortel Meridian 1 Succession 1000M Installation And Configuration Manual

Page 268 of 562

Cable connections and adapters

Figure 110
NTBK48 port 0 signal leads
9 PIN Connector
FGND
TX
RX
+ 12V
Not Used
Not Used
CD
+ 12V
Not Used
Not Used
SGND
553-3011-210 Standard 1.00
Installing and connecting SDI and Ethernet ports
An NTBK48 3-port 9- to 25-pin converter cable is supplied with the
Small System. The cable can be used to connect SDI port 0, 1, or 2 directly
to most types of modems. However, some modems may require a connector
adapter to make the connection. For more information, refer to the modem
manufacturer's instructions provided with the modem.
The signals carried by each lead in the NTBK48 3-port cable are shown in
Figures 110 and 111.
Port 0 - Cable Wiring
October 2003
25 PIN Connector
1 FGND
2 RX
3 TX
4 RTS
5 CTS
6 DSR
8 CD
20 DTR
11 Not Used
12 Not Used
7 SGND