Appendix a cable specifications – Planet Technology Planet Intelligent Gigabit Ethernet Stackable/Routing Switch WGSW-2402A User Manual

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Appendix A Cable Specifications

Ethernet Type

Cable Requirements

Maximum Length

10BASE-T

Category 3 or better, UTP or STP

100m

100BASE-TX

Category 5 or better, UTP or STP

100m

100BASE-FX

62.5/125um and 50/125um MMF cables

2000m

1000BASE-T

Category 5 or better, UTP or STP

100m

1000BASE-SX

62.5/125um MMF 160MHz-km cables

220m

1000BASE-SX

62.5/125um MMF 200MHz-km cables

275m

1000BASE-SX

50/125um MMF 400MHz-km cables

500m

1000BASE-SX

50/125um MMF 500MHz-km cables

550m

Note:

Please do not use telephone cables. Telephone cables do not support Ethernet or Fast Ethernet

There are two types of cables: Straight Through Cables and Crossover Cables.
Category 5 UTP/STP cable has eight wires inside the sheath. The wires form four
pairs. Straight Through Cables has same pin-outs at both ends while Crossover
Cables has a different pin arrangement at each end.

Figure A-1 shows the standard RJ-45 receptacle and connector. Figure A-2 shows
the diagram of straight through cables. Figure A-2 shows the diagram of crossover
cables.

F

IG

A-1 T

HE STANDARD

RJ-45

RECEPTACLE

/

CONNECTOR

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