Peripheral Cards and Components
Single Line Telephones
The SLIB allows 2500-type Single Line Telephones to be connected to the telephone system.
No ringing to phone ...
Message Waiting Lamp does not
work ...
SLT can't receive dial tone ...
Poor transmission
characteristics ...
DSS/BLF Console
The DSS/BLF Consoles allows stations to have an additional 48 programmable buttons for one
button access and immediate monitoring status capability of other stations.
Buttons on DSS/BLF do not
function as labeled ...
Pressing buttons on DSS does not
activate keyset ...
No power ...
XTS-IP - Installation Manual
Table 4-3: Single Line Interface Board - SLIBE/SLIBC w/MSGU48
Problem
Table 4-4: DSS/BLF Console
Problem
Chapter 4 - Maintenance and Troubleshooting
Possible Solutions
Ensure a Ring Generator Unit (RGU) has
been installed in Cabinet servicing that
phone.
Check CO Line Ringing Assignments in
programming.
Check Station ID assignment in
programming.
Make sure a Ring Generator Unit (RGU)
has been installed in Cabinet servicing
that phone.
Ensure DTMF receivers are installed in
the system.
Check programming.
Try another SLT to identify if the
telephone instrument is defective.
Try another SLIB to identify if the card is
defective.
Try resetting the MPB.
Check for bad wiring.
Try another SLIB to identify if the card is
defective.
Possible Solutions
Check Station Identification assignment in
programming for correct DSS Map
assignment.
DSS must be assigned to keyset in Station
ID programming.
Verify unit is connected to the correct type
of station board (digital or electronic).
4-7
December 2005