Table Of Contents

Cable Connections and Pin-outs

Unit RS-232 9-Pin Serial Port

RJ-45 8-Pin IP Network Port

RJ-45 Serial Port Adapter Cable

ISDN Port

Cable Connections and Pin-outs

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This section describes the following topics:

•Unit RS-232 9-Pin Serial Port

•RJ-45 8-Pin IP Network Port

•RJ-45 Serial Port Adapter Cable

•ISDN Port

Unit RS-232 9-Pin Serial Port

Table 8-1 describes the Cisco Unified Videoconferencing 3515 MCU unit RS-232 9-pin D-type serial port pin-out configuration.

Table 8-1 RS-232 9-pin D-Type Serial Port Pin-out

Pin	Function	I/O
1	NC
2	RXD	Input
3	TXD	Output
4	NC
5	GND
6	NC
7	NC
8	NC
9	NC

RJ-45 8-Pin IP Network Port

Table 8-2 describes the pin-out configuration of the RJ-45 IP network port.

Table 8-2 Pin-out Configuration of the RJ-45 IP Network Port

Pin	Function	I/O
1	TXD+	Output
2	TXD+	Output
3	RXD+	Input
4	NC
5	NC
6	RXD-	Input
7	NC
8	NC

RJ-45 Serial Port Adapter Cable

Table 8-3 describes the pin-to-pin configuration of the RJ-45 to DB-9 adapter cable used to connect a PC terminal to the RJ-45 serial port. This cable is provided with the Cisco Unified Videoconferencing 3515 MCU unit.

Table 8-3 Pin-to-Pin Configuration of the RJ-45 to DB-9 Adapter Cable

RJ-45 (Male)	DB-9 (Female)	Function
1	NC
2	NC
3	3	TXD
4	NC
5	5	GND
6	2	RXD
7	NC
8	NC

ISDN Port

Table 8-4 describes the ISDN port RJ-45 connector pin-out configuration.

Table 8-4 ISDN Port RJ-45 Connector Pin-out

Pin	Function
1	RXD +
2	RXD -
3	NC
4	TXD +
5	TXD -
6	NC
7	NC
8	NC