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AppendixC Cable and Port Specifications
COM1 Port
C-4
Cisco MDS 9216 Switch Hardware Installation Guide
78-16165-01
COM1 Port
The COM1 port is a serial port with a DB-9 connector, and can be connected to a
modem using the adapters provided in the accessory kit.
Note The COM1 port is not supported for connection to a console.
Note Connecting the COM1 port to a modem is supported only for switches running
Cisco MDS SAN-OS Release 1.2(1a) or later.
TableC-3 Port Mode Signaling and Pinouts (DB-9 Adapter)
Console Port RJ-45to RJ-45 Rollover Cable
RJ-45to DB-9
Terminal Adapter
Console
Device
Signal RJ-45 Pin RJ-45 Pin DB-9 Pin Signal
RTS 1 8 8 CTS
DTR 2 7 6 DSR
TxD 3 6 2 RxD
GND 4 5 5 GND
GND 5 4 5 GND
RxD 6 3 3 TxD
DSR 7 2 4 DTR
CTS 8 1 7 RTS