Appendix B

CABLES

Ethernet Cable

Cable Types and Specifications

Cable

Type

Max. Length

Connector

 

 

 

 

10BASE-T

Cat. 3, 4, 5 100-ohm UTP

100 m (328 ft)

RJ-45

 

 

 

 

100BASE-TX

Cat. 5 100-ohm UTP

100 m (328 ft)

RJ-45

 

 

 

 

Table B-1. Cable Types and Specifications

Twisted-pair Cable

Caution: DO NOT plug a phone jack connector into any RJ-45 port. Use only twisted-pair cables with RJ-45 connectors that conform with FCC standards.

For 10BASE-T/100BASE-TX connections, a twisted-pair cable must have two pairs of wires. Each wire pair is identified by two different colors. An RJ-45 connector must be attached to both ends of the cable. Except for the WAN port, all RJ-45 ports on the SpeedStream 2602 support automatic MDI/MDI-X configuration, so you can use straight-through cable to attach the LAN ports to any network device. However, when connecting the WAN port to a broadband modem, you will need to use either straight- through or crossover cable, depending on the port type used on the modem.

The figure below illustrates how the pin numbering on the RJ-45 connector. Be sure to hold the connectors in the same orientation when attaching the wires to the pins.

Figure B-1. RJ-45 Pin Numbering

B-1

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Siemens 2602 manual Appendix B, Cables, Ethernet Cable, Cable Types and Specifications, Twisted-pair Cable