Specifications
Table 5-8 lists the specifications of a network cable.
Table 5-8 Specifications of a network cable
Item Description
Connector type (X1/X2) RJ45 connectors
Cable type Category-3 and category-5 unshielded twisted pairs
(UTP-3 and UTP-5) or shielded twisted pairs (STP)
Color Dark gray
Characteristic impedance 100.0 Ω
Diameter 0.510 mm
Breakdown voltage 500.0 V
Impedance 93.8 Ω
Pin 8 pins
Frequency 0 MHz to 100 MHz
Frequency attenuation 22 dB/100 m@100 MHz
Fireproof level CM
Length
l Straight through cable: 5 m, 10 m, 20 m, and 30 m
l Crossover cable: 5 m and 30 m
5.6 Optical Fibers
An optical fiber connects the optical interface of a device to an upstream device or optical
network terminal.
Applications
An optical fiber carries optical signals and transmits them over short distance. An optical fiber
connects the following:
l Optical interface on a board
l Optical distribution frame (ODF) or the optical interface on another device
Table 5-9 lists the classification of optical fibers.
5 Cables
Quidway S5300 Series Ethernet Switches
Hardware Description
5-10 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 01 (2011-01-30)