Alcatel-Lucent 1665 Installation Manual page 212

Installation tests
........................................................................................................................................................................................................................
Once the loopback is up, a test signal shall be generated at the DS3 terminating equipment
7
which will verify that the cabling is correct.
........................................................................................................................................................................................................................
While observing the error free transmission, grasp the DS3 cable about two inches from
8
the BNC connector head and gently rotate (twist) the cable in a clockwise and counter
clockwise direction about 45 degrees (gently).
Result:
connector must be cut off and replaced.
If an error free signal is not received:
Check the LBOs settings using
•
LBOs (p.
Verify that the pack is provisioned for the framing format being sent from the test set,
•
CBIT or M13.
Verify that the port is provisioned for DS3. See
•
Check the DS3/EC1 cabling for proper connections.
•
........................................................................................................................................................................................................................
Once the test is complete, remove the loopback.
9
Select Fault -> Analysis -> Loopback...
........................................................................................................................................................................................................................
Choose the DS3 port to test and click Select.
10
........................................................................................................................................................................................................................
Select Release and Loopback Type: Facility and click Apply.
11
........................................................................................................................................................................................................................
12 Check off the appropriate box in
.
E O
N D
........................................................................................................................................................
DS3 terminating equipment loopback testing (LNW80 switch and LNW59 without optics)
Perform this test when the 1665 DMX is equipped with LNW80 switch packs or LNW59
without optics in the main slots.
............................................................................................................................................................................................................................................................
4 - 2 4
If any errors are detected while performing this "wiggle test," the BNC
4-5).
S
F T E P S
View -> Equipment
Verify provisioning (p.
Appendix E, "Installation
DS3/EC1 and TMUX testing procedure
(see Setting DS3/EC1 and TMUX
4-22).
checklist".
365-372-304R7.1
Issue 1, November 2007