Specifications

3-64 System Wiring
Chapter 3 - System Installation
XTS-IP - Installation Manual December 2005
RS-232C Wiring on MPB and SIU
The MPB1 contains one and the MPB2/MPBE contains two standard RS-232C interfaces
(SMC1 is port 1 on MPB1 and MPB2/MPBE; UART is port 5 on MPB2/MPBE only). The SIU on
the MISB contains two standard RS-232C interfaces (port 3 and port 4). The RS-232C is
connected by a 9-pin connector.
Figure 3-36: RS-232 9-Pin Connector Cable Wiring
Table 3-22: MPB & SIU Communication Ports
Location Port Number Port Description Where it is connected
1SMCI MPB
MPB 2 Modem MPB
5UARTMPB2/MPBE only
SIU
3RS-232 MISB
4RS-232 MISB