Com1 Port Pinouts; Connecting The Com1 Port To A Modem - Cisco MDS 9216 Hardware Installation Manual

Appendix C Cable and Port Specifications
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COM1 Port Pinouts

Connecting the COM1 Port to a Modem

Note
78-16165-01
Table C-4 lists the pinouts for the COM1 port on the Cisco MDS 9216 Switch.
Table C-4 COM1 Port Pinout
Pin Signal
1 DCD
2 TxD
3 RxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
You can use the green RJ-45 to DB-9 female DTE adapter (labeled "FOR
DS-C9216-K9 ONLY") to connect to the COM1 port, and the RJ-45 to DB-25
male DCE adapter (labeled "Modem") to connect to the modem, then connect the
adapters with the RJ-45 to RJ-45 rollover cable.
Use the green DB-9 adapter that is specifically labeled for use with the Cisco
MDS 9216 Switch. If this adapter is not included in the accessory kit, you can
request one from your customer service representative.
Table C-5 lists the pinouts for the COM1 port, the RJ-45 to DB-9 adapter,
RJ-45 to RJ-45 rollover cable, and the RJ-45 to DB-25 male DCE adapter.
Cisco MDS 9216 Switch Hardware Installation Guide
COM1 Port
C-5