Avaya 1000M Installation And Commissioning Manual page 189

Connecting a system terminal or modem Page 189 of 436
Figure 74
Modem to a switch box and SDI and COM2 ports (dual-column systems)
Smart mode
RJ11
modem Terminal
jack
Modem cable RS-232
Remote end
(or NT8D46) cable
SDI port on
Public phone
I/O panel
network
Network module
J21 on
J21 on
I/O panel
I/O panel
Core/Net 1
Core/Net 0
NT8D95
cables
Rear View
NT8D95
cable
Switch box
RJ11 Modem cable
NT8D95 cable
jack (or NT8D46)
Dumb mode modem
Note: The A0377992 switch box and A0381391 modem can be used in this configuration.
553-A0137
Large System Installation and Commissioning