Ds3 Protection Switching - Alcatel-Lucent 1665 Installation Manual

Installation tests
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6
While observing the error-free transmission at the DSX, grasp the DS3 cable about two
inches from 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 the
•
DS3/EC1 and TMUX LBOs (p.
Verify that the pack is provisioned for the framing format being sent from the test set,
•
M13.
Verify that the port is provisioned for DS3. See
•
Check the DS3/EC1 cabling for proper connections.
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7
Check off the appropriate box in
E O
N D
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DS3 protection switching

DS3 function unit protection switching test (manual)
Use this procedure to test all of the Function unit Slots occupied with an LNW16
(DS3/EC1), LNW19/LNW19B (48DS3/EC1), LNW18 (TMUX) or LNW20 (48TMUX)
circuit pack, whether they are cabled to a DSX or terminating equipment.
Note:
arrangement.
It is not mandatory to perform this test on each sts cross-connection, however this
procedure should be performed on each Function unit Slot pair.
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1
Locate the Function Group equipped with the DS3/TMUX circuit pack.
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2
Unseat the active circuit pack. The active circuit pack has an ACTIVE LED lit.
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Alcatel-Lucent 1665 DMX R9.0
365-372-304R9.0 Issue 2
July 2010
If any errors are detected while performing this "wiggle test," the BNC
S
F T E P S
This test is performed when the DS3 circuit packs are in a 1x1 protection
View > Equipment
6-3).
Verify provisioning (p.
Table I-3, Installation acceptance
DS3 protection switching
command (see Setting
6-18).
checklist.
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