Cisco 1750 - 1750 Router Guía de instalación descargar pdf (Pagina 60)

Ethernet Network Cabling Guidelines

Cisco 1750 Router Hardware Installation Guide

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Ethernet Network Cabling Guidelines

Table 2 describes some guidelines for creating Ethernet networks. Figures might

vary, depending on the manufacturer of the network equipment.

Table 1 Straight-Through Ethernet Cable (RJ-45-to-RJ-45) Pinouts

RJ-45 Pin

Signal Direction RJ-45 Pin

1TX+—>1

2TX–—>2

3RX+<—3

6RX–<—6

1. Pins 4, 5, 7, and 8 are not used for signaling but to reduce radiated cable emissions.

Table 2 Ethernet Cabling Guidelines

Specification 10BaseT 100BaseTX

Maximum

segment length

100 meters 100 meters

Maximum number

of segments per

network

• With Class I

repeaters:

• With Class II

repeaters:

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 83 84

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