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C-4
Cisco MDS 9200 Series Hardware Installation Guide
OL-17468-02
Appendix C Cable and Port Specifications
MGMT 10/100/1000 Ethernet Port
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-5 lists 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.
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
8CTS
9RI
Table C-4 COM1 Port Pinouts (continued)
Pin Signal
Table C-5 Port Mode Signaling and Pinouts for Modem with DB-25 Connection
COM1 Port
DB-9F/RJ45F
PC terminal
RJ-45
Rollover Cable
RJ-45/DSUB R/P
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
1 Pin 1 2 Pin 8
94971
1
2
RJ-45 (both ends)