Cisco Systems, Inc. www.cisco.com
Cisco ASA 5512-X, ASA 5515-X, ASA 5525-X, ASA 5545-X, and ASA 5555-X Hardware Installation Guide
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Identifying Cable Pinouts
This chapter describes pinout information for 10/100/1000BaseT ports, console the RJ-45 to DB-9 ports, and the
Management 10/100/1000 Ethernet ports.
This chapter includes the following sections:
10/100/1000BaseT Connectors, page 71
Console Port (RJ-45), page 72
RJ-45 to DB-9, page 73
MGMT 10/100/1000 Ethernet Port, page 73
Gigabit and Fibre Channel Ports, page 74
10/100/1000BaseT Connectors
The ASA supports 10/100/1000BaseT ports. You must use at least a Category 5 cable for 100/1000baseT
operations, but a Category 3 cable can be used for 10BaseT operations.
The 10/100/1000BaseT ports use standard RJ-45 connectors and support MDI and MDI-X connectors. Ethernet
ports normally use MDI connectors, and Ethernet ports on a hub normally use an MDI-X connector.
Use an Ethernet straight-through cable to connect an MDI to an MDI-X port. Use a cross-over cable to connect
an MDI to an MDI port, or an MDI-X to an MDI-X port.
Figure 1 shows the 10BaseT and the 100BaseTX connector (RJ-45).
Figure 1 10/100 Port Pinouts
Figure 2 shows the 10BaseT, 100BaseTX, and 1000BASE-T connector (RJ-45).
H5318
23145678Pin Label
1
2
3
4
5
6
7
8
RD+
RD-
TD+
NC
NC
TD-
NC
NC
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