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Twisted Pair Cabling Information
Table 42. Twisted Pair Cabling Information for 12-Port 25Mbps Module
Cable Type
Impedance
UTP
100 ohm
FTP/SFTP
100 ohm
FTP/SFTP
120 ohm
STP
150 ohm
64
IBM 8265: Planning and Site Preparation Guide
Table 42 details the accepted UTP, FTP, SFTP, and STP cables for use with the 12
RJ-45 ports.
Category
5 / Class D
5 / Class D
5 / Class D
IBM Cabling
Trunk Attenuation
@ 100 MHz
22db Max / 100 m
22db Max / 100 m
17db Max / 100 m
IBM type 1/1A
12.3 db Max / 130 m
Patch Attenuation
@ 100 MHz
33 db Max / 100 m
33 db Max / 100 m
25 db Max / 100 mm
IBM type 6/6A
18.4 db Max / 130 m/
RFI Class
A
B
B
B
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