Cisco 2940 User Manual download pdf (Page 59)

B-1

Catalyst 2940 Switch Hardware Installation Guide

OL-6157-01

APPENDIX

Connectors and Cables

This appendix describes the connectors, cables, and adapters that you use to connect the switch to

other devices.

Connector Specifications

These sections describe the connectors used with the Catalyst 2940 switches and contains this

information:

• 10/100 Ports, page B-1

• 10/100/1000 Ports, page B-3

• 100BASE-FX Port, page B-4

• SFP Module Slot, page B-4

• Console Port, page B-5

10/100 Ports

The 10/100 Ethernet ports use standard RJ-45 connectors and Ethernet pinouts with internal crossovers,

as shown by an X in the port label on the switch, as shown in Figure B-1.

Figure B-1 Port Labels Showing Internal Crossovers

These ports have the transmit (TD) and receive (RD) signals internally crossed so that a twisted-pair

straight-through cable and adapter can be attached to the port. Figure B-2 shows the pinout.

1x 2x 3x 4x 5x

10Base-T / 100Base-TX

89869

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 81 82

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Cisco 2940 User Manual Page 59