Chapter 3
Structured Cable Field Calibration and Testing
3-4
GG45 – TROUBLESHOOTING
A field calibration should be performed prior to implementing a test of the GG45
cabling system. This process will ensure (1) synchronizing of the units, (2) qualifying
(testing) of the patchcords and (3) gathering of loss data regarding the patchcords
and mated connections.
The equipment required for a GG45 calibration procedure is:
¾
Display Handset
¾
Remote Handset
¾
GG45 Calibration Adapters
(Two adapters joined by a short segment of Category 7 cable)
¾
GG45 Calibration Load Terminator (100
Ω
Jack)
¾
GG45 Permanent Link Adapters
(A set of two adapters, each with a patchcord (approximately 2 meters) soldered
to the adapter at one end and a GG45 Category 7 plug at the opposite end)
TESTING A GG45 CABLING SYSTEM
Figure 3-1: Typical Configuration for GG45 Cable Testing
Typical configuration for testing has the DH unit and RH unit connected to the GG45
Permanent Link Adapters. The cable under test is connected at the Category 7 plug
end of both the DH and RH ends.
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