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Identifying Cable Pinouts
Revised: October 4, 2013
Part Number: OL-29172-01
This appendix describes pinout information for the 10/100/1000BaseT ports, the RJ-45 to DB-9 ports, and
the RJ-45 cables for the console port.
This chapter includes the following sections:
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•
•
10/100/1000BaseT Connectors
The Cisco 380 and Cisco 680 series appliance 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.
OL-29172-01
10/100/1000BaseT Connectors, page B-1
Console Port (RJ-45), page B-2
RJ-45 to DB-9, page B-4
A P P E N D I X
Cisco 380 and Cisco 680 Series Hardware Installation Guide
B
B-1
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