CopperOptics 150-1365-05 Manual - Page 17
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Revision 01
8.8
Cabling Verification. Verify the following connections.
Perform the following verifications before inserting any cards in the COT shelf.
1
Visually ensure the ground wire is tightly secured to the grounding lug inside the FRE-765 and
at the ground termination point.
2
Visually verify the HDSL lines are terminated properly and with the correct orientation. If the
HDSL lines are not connected properly, the COT will not communicate with the FRE-765.
3
Verify that the HDSL lines are "dry."
a
Verify 0 Vdc between the Tip and Ring, Tip and ground, and Ring and ground of each of
the HDSL pairs terminated at the FRE-765.
b
Verify a value greater than 100 kohms resistance between Tip and ground and Ring and
ground for each of the HDSL pairs terminated at the FRE-765.
9. Turn-Up and Testing
9.1
Refer to the COT Line Unit Technical Practice or RT Line Unit Technical Practice for complete
COT and RT turn-up and testing procedures.
10. Troubleshooting
10.1
Refer to the COT Line Unit Technical Practice or RT Line Unit Technical Practice for complete
COT and RT troubleshooting procedures
PG-Flex FRE-765
June 2, 1997
Figure 7. Installing Doubler Termination Points
PairGain Engineering - Plant Series
Section 363-765-105
Page 15