Appendix C
Cable Pinouts
Examine the sequence of colored wires to determine the type of RJ-45 cable, as follows:
•
•
Table C-1
Signal Pin
-
-
-
-
-
-
-
-
RJ-45 to DB-9
Table C-2
Table C-2
Signal
RTS
DTR
TxD
GND
GND
RxD
DSR
CTS
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.
Table C-3
OL-10089-01
Straight-through—The colored wires are in the same sequence at both ends of the cable.
Crossover—The first (far left) colored wire at one end of the cable is the third colored wire at the
other end of the cable.
RJ-45 Rolled (Console) Cable Pinouts
Pin
Pin
1
8
-
2
7
-
3
6
-
4
5
-
5
4
-
6
3
-
7
2
-
8
1
-
lists the cable pinouts for RJ-45 to DB-9 or DB-25.
Cable Pinouts for RJ-45 to DB-9 or DB-25
RJ-45 Pin
DB-9 Pin
8
8
7
6
6
2
5
5
4
5
3
3
2
4
1
7
lists the cable pinouts for 10/100/1000BASE-T Management Port Cable Pinouts (MDI).
Cisco ASA 5500 Series Hardware Installation Guide
RJ-45 to DB-9
C-3