Connecting a system terminal or modem Page 183 of 456

Figure 72

Modem to SDI port

RJ11

Smart mode

Terminal

jack

 

modem

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Modem cable

RS-232

 

(or NT8D46)

cable Remote end

Public phone

 

 

network

 

 

RJ11

Dumb mode

SDI port on

jack

modem

I/O panel

Modem cable

Network module

NT8D95

(or NT8D46)

cable

 

 

 

 

Rear View

Note: The A0381391 modem can be used in this configuration.

553-A0136

Connecting a modem to switch box, COM2 ports, SDI ports

Use Procedure 23 to connect SDI and COM2 ports to a switch box and a modem (see Figure 73 on page 185 and Figure 74 on page 186).

Procedure 23

Connecting a modem to a switch box, COM2 and SDI ports

1At the remote end, connect an RS-232 cable to the terminal and to the modem.

2At the remote end, connect the cable from the modem to an RJ11 telephone jack. If a cable is required, connect an NT8D46 cable to the modem and to the RJ11 jack.

Communication Server 1000M and Meridian 1 Large System Installation and Commissioning

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Nortel Networks 1000M warranty Connecting a modem to switch box, COM2 ports, SDI ports, Modem to SDI port