Model CFA-24 Transparent Cable Farm Automation Switch Reference Manual Page 14 of 78
4.1 Loop Segment
A loop segment is a length of twisted-pair cable attached to the CFA-24. Loop segments may have different lengths. In
addition, loop segments may be connected and then, when required, bypassed programmatically.
➢
All crosstalk in a CFA system occurs between the cable farm wires. The CFA-24 is transparent.
Example ID-337 Test Setup
(Selection of 200 meters)
•
Five loop segments of different
lengths of CW1420 are each attached
to one of five segments.
•
The allowable loop lengths of this
non-colocated setup are 20, 50, 100,
200 and 400 meters.
•
Segments 1, 2, 3, and 4 are used to
form the 200 meters. Segment 5 is
bypassed.
Recommended Cable Lengths
for ID-337
For ID-337 Telebyte recommends
installation of the following cable
segment lengths, in the order
shown:
Segment 5 200m
Segment 4 100m
Segment 3 50m
Segment 2 30m
Segment 1 20m
