Cisco Systems MDS 9200 Series MGMT 10/100/1000 Ethernet Port, Connecting the COM1 Port to a Modem

Appendix C Cable and Port Specifications

MGMT 10/100/1000 Ethernet Port

Se n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a ck - d o c @ c i s c o . c o m

Table C-4 COM1 Port Pinouts (continued)

Pin

8

9

Signal

CTS

RI

Connecting the COM1 Port to a Modem

You can use the DB-9F/RJ-45F PC terminal (labeled “Terminal”) to connect to the COM1 port, and the RJ-45/DSUB R/P adapter (labeled “Modem”) to connect to the modem. You can use the RJ-45 rollover cable to connect these adapters.

Table C-5lists the pinouts for the COM1 port, the DB-9F/RJ-45F PC terminal, RJ-45 rollover cable, and the RJ-45/DSUB R/P adapter.

Table C-5	Port Mode Signaling and Pinouts for Modem with DB-25 Connection
	DB-9F/RJ45F	RJ-45		RJ-45/DSUB R/P
COM1 Port	PC terminal	Rollover Cable		Adapter	Modem
Signal	DB-9 Pin	RJ-45 Pin	RJ-45 Pin	DB-25 Pin	Signal
CTS	8	8	1	5	CTS
DSR	6	7	2	8	DCD
RxD	2	6	3	3	RxD
GND	5	5	4	7	GND
GND	5	4	5	7	GND
TxD	3	3	6	2	TxD
DTR	4	2	7	20	DTR
RTS	7	1	8	4	RTS

MGMT 10/100/1000 Ethernet Port

The MGMT 10/100/1000 Ethernet port is an Ethernet port with an RJ-45 connector. You can use a modular, RJ-45, straight-through UTP cable to connect the management port to an external hub, switch, or router (see Figure C-1).

Figure C-1 RJ-45 Interface Cable Connector

RJ-45 (both ends)

1

2

94971

1

Pin 1

2

Pin 8

Cisco MDS 9200 Series Hardware Installation Guide

C-4 OL-17468-02