Communication Server Large System Installation and Commissioning

Page 186 of 456 Connecting a system terminal or modem
NN43021-310 Standard 02.01 December 2007
Figure 74
Modem to a switch box and SDI and COM2 ports (single-column
systems)
553-A0138
NT8D95 cable
Switch box
NT8D95
cables
I/O panel
J21
Core/Net 0
Core/Net 1
SDI port
I/O panel
Dumb mode modem
RJ11
jack
Remote terminal
Smart mode
modem
RJ11
jack
RS-232
cable
Modem cable
(or NT8D46)
Modem cable
(or NT8D46)
Public phone
network
Rear View