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INSTALLATION REQUIREMENTS &
SPECIFICATIONS OF OPERATION
Before attempting to install the TRXMIM, please review the
recommendations, requirements, and specifications which are
outlined in this chapter. Failure to follow these guidelines could
result in poor network performance.
2.1 GENERAL CABLING CONSIDERATIONS
Take care in planning and preparing the cabling and connections
for the network. The susceptibility of the LAN's cables to crosstalk
and noise determines the network's error rate, and thus, the
reliability of data propagation on the network. The quality of the
connections, the length of cables and other conditions of the
installation are critical factors in determining the reliability of the
network.
2.1.1 Network Performance Requirements
The overall cabling system used in a Token Ring network must
meet the following performance requirements:
Table 2-1. Token Ring Network Performance Requirements
Attenuation
All STP cables of IBM Type 1, 2, 6, and 9 meet Token Ring network
performance requirements. All category 5, all category 4, and some
category 3 (see Section 2.2.2, UTP Cable Lengths to Stations, on
CHAPTER 2
Maximum
Total
Signal
14.5dB
Maximum
Total
Ambient
Noise
20 dBmV
Minimum
NEXT
loss
per 100 m
30.5 dB
Page 2-1
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