Communication Server Large System Installation and Commissioning

Page 176 of 456 Connecting a system terminal or modem
NN43021-310 Standard 02.01 December 2007
5 To communicate directly with a COM1 port, switch the cable as needed.
The terminal connected to the SDI port will always communicate with
whichever CPU is active.
End of Procedure
Figure 70
One terminal and a switch box to two COM1 ports
Rear View
Terminal
NT8D95
cable
Note: The A0377992 switch box can be used in this configuration.
553-A0134
J25 on
I/O panel
Switch box
NT8D95
cable
J25 on
I/O panel
Core/Net 0
NT8D95
cable
SDI port on
I/O panel
NT8D95
cable
Terminal
Core/Net 1
Network Module