STARPLUS STSe Key System, Руководство по установке

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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.