DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4
June 1999
Alarms, Errors, and Troubleshooting
5-19LA85 Port Tester
5
The port tester is equipped to check 110-type wall field hardware with the three
1-pair patch c ords that are color-coded blue (1), orange (2), or green (3).
NOTE:
If the wall field has 66-type b locks, a 66-type bloc k adapter
(Comcode 405546474) is needed .
!DANGER:
The port tester should not be p lugged into an ac tive circuit for an extended period of time. Resistors in the tester c an burn out.
LED indications for the various port typ es are listed in Table 5-3. Abbreviations
are as follows:
■R = Red
■G = Green
■N = Not lighted
■N/A = Not applic able
Intermediate closet
wall field 1. Isloate part of the
wiring span (either to
the switch or to the
terminal)
Table 5-3. LED indications for the LA85 Port Tester
Port W-BL
Bl-W W-O O-W W-G G-W Bl-W W-BL
Analog G1NNNNN/AN/A
DCP N G G G G N/A N/A
DCP (2-wire) G N N N N N/A N/A
MFET GGGGGN/AN/A
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Table 5-2. Port fault isolation using the LA85 Port Tester — Continued
To begin the isolation
procedure at the
You may need this
preliminary
information or
equipment And if Then
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