CO Line Card Functions
4-7
Chapter 4 - Maintenance and Troubleshooting
STARPLUS STSe - Installation Manual
August 2005
DSS/BLF Console
The following applies to DSS/BLF Consoles:
CO Line Card Functions
The following applies to LCOB interface cards. Each LCOB contains four Loop Start CO lines.
Table 4-4: DSS/BLF Console
Symptom
Action
Buttons on DSS/BLF do not function as
labeled
Check station identification assignment
in programming for correct DSS map
assignment.
Pressing buttons on DSS does not
activate keyset
DSS must be assigned to keyset in station
ID programming.
Table 4-5: CO Line Loop Start Board (LCOB)
Symptom
Action
Loop Start CO lines on the system do
not work
Check or change card. Check CO line
demarcation.
CO line(s) does not ring
Check CO line ring assignment in
programming.
Noise or cross-talk on the line
Check CO line at demarcation for cross-
talk. Check with different card at different
station.
Telephone side tone is high …
Check LCOB Loop Length
programming.
Summary of Contents for STSe Key System
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Page 10: ...vi Figures STARPLUS STSe Installation Manual August 2005...
Page 12: ...viii Tables STARPLUS STSe Installation Manual August 2005...
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Page 68: ...3 40 Door Box Chapter 3 Installation STARPLUS STSe Installation Manual August 2005...
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Page 94: ...iv Index STARPLUS STSe Installation Manual August 2005...