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DS3/EC1 and TMUX testing procedure
Installation tests
4 - 2 4
365-372-304R7.1
Issue 1, November 2007
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7
Once the loopback is up, a test signal shall be generated at the DS3 terminating equipment
which will verify that the cabling is correct.
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8
While observing the error free transmission, 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:
If any errors are detected while performing this "wiggle test," the BNC
connector must be cut off and replaced.
If an error free signal is not received:
•
Check the LBOs settings using
View -> Equipment
.
•
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.
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9
Once the test is complete, remove the loopback.
Select Fault -> Analysis -> Loopback...
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10
Choose the DS3 port to test and click Select.
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11
Select Release and Loopback Type: Facility and click Apply.
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12
Check off the appropriate box in
Appendix E, “Installation checklist”
.
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E
N D
O
F
S
T E P S
.
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.
Summary of Contents for Data Multiplexer Explore 1665
Page 8: ... Contents v i i i 365 372 304R7 1 Issue 1 November 2007 ...
Page 12: ... List of figures x i i 365 372 304R7 1 Issue 1 November 2007 ...
Page 16: ... List of tables x v i 365 372 304R7 1 Issue 1 November 2007 ...
Page 24: ... About this document x x i v 365 372 304R7 1 Issue 1 November 2007 ...
Page 272: ... Final operations Operational tests 5 2 2 365 372 304R7 1 Issue 1 November 2007 ...
Page 326: ... Cleaning pluggable optics modules Fiber cleaning B 1 4 365 372 304R7 1 Issue 1 November 2007 ...
Page 408: ...I N 4 365 372 304R7 1 Issue 1 November 2007 Index ...