365-575-102 DetailedLevelProcedure:
Issue 8.0, July 2002 Page 1 of 2
DLP-520
Properly Terminate DS3 and/or EC1 Outputs
Overview: This procedure is used to properly terminate the DS3 and/or EC1 outputs
from the FT-2000 network element. Descriptive information is contained in Section 5
of this manual.
!
CAUTION:
Do not inadvertently unterminate any DS3 or EC1 outputs that were previously
terminated.
!
CAUTION:
DS3 and EC1 outputs should always be terminated by one of the following
methodstopreventfalseDS3orEC1failureindications.
1. Are the DS3 and/or EC1 output connected to a cross-connect panel or
connected directly to other transmission equipment?
If to cross-connect panel, then continue with Step 2.
If to other transmission equipment, then continue with Step 5.
2. Does the DSX-3 (STSX-1) cross-connect panel provide internal terminations
for nonconnected circuits? (cross-connect panels meet this requirement.)
If YES, then continue with Step 4.
If NO, then continue with Step 3.
3. At the DSX-3 (STSX-1) cross-connect panel, install a 75-ohm termination on
each nonconnected DS3 and/or EC1 output.
4. STOP! YOU HAVE COMPLETED THIS PROCEDURE.
5. Verify the DS3 and/or EC1 outputs (low-speed cable) are connected directly to
other working transmission equipment, such as a DACS III-2000, DDM-2000,
etc., to provide good low-speed terminations.
6. STOP! YOU HAVE COMPLETED THIS PROCEDURE.
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