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CHAPTER
4-1
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3522 BRI Gateway and 3527 PRI Gateway Release 5.5
OL-14910-01
4
Cable Connections and Pin-outs
This section describes the following topics:
• Unit RS-232 9-Pin Serial Port, page 4-1
• RJ-45 8-Pin IP Network Port, page 4-2
• ISDN Port, page 4-2
Unit RS-232 9-Pin Serial Port
Table 4-1 describes the Cisco Unified Videoconferencing 3500 Gateway unit RS-232 9-pin D-type serial
port pin-out configuration.
Table 4-1 RS-232 9-pin D-Type Serial Port Pin-out
Pin Function I/O
1NC
2RXDInput
3TXDOutput
4NC
5 GND
6NC
7NC
8NC
9NC