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SCP-FCS717-022-03H
Cabling Verification
The following verifications should be done before any cards are inserted into the FCS-717 List
2B COT shelf.
1
Verify that there is a minimum of -42 Vdc and a maximum of -56 Vdc between the TB1 (-48V_A) and TB4
(RTN_A) screw terminals on the COT shelf.
2
Verify that there is a minimum of -42 Vdc and a maximum of -56 Vdc between the TB2 (-48V_B) and TB3
(RTN_B) screw terminals on the COT shelf.
3
Visually check that the HDSL lines are properly terminated and with the correct polarity.
4
Verify that the HDSL lines are "dry":
•
There should be 0 Vdc between the Tip and Ring, Tip and Ground, and Ring and Ground for each of the
HDSL circuits terminated on the shelf.
•
There should be > 100 kΩ resistance between the Tip and Ring, Tip and Ground, and Ring and Ground
for each of the HDSL circuits terminated on the shelf.
5
Replace the clear Plexiglas™ cover.
Turn-Up and Testing
Refer to the COT or RT Line Unit Technical Practices for complete COT and RT turn up and testing procedures.
Troubleshooting
Refer to the COT or RT Line Unit Technical Practices for complete COT and RT troubleshooting procedures.
FCS-717 List 2B
January 6, 2003
Installation and Test
25
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