Troubleshooting
IPE2500A and IPE2500A-MLS Paging Encoder/Desktop Controller
03/12 62
Problem Possible
Solution
No or low transmit audio
Ensure that the leased line being used does not have excessive line losses.
LOTL never/always on.
Ensure that the DCLOTL threshold has been properly set using the internal
diagnostics.
No line current
Ensure that the dc module can output current by using the internal
diagnostic.
Ensure that the line between the desk set and dc adapter has dc continuity
Not able to change the
selected frequency.
If direct DTMF is enabled, ensure that the
SELECT
button is first pressed
to enter the frequency selection mode.
If direct DTMF is enabled and this is an IPE2500A-MLS, frequency
selection is not possible except through the use of programmable buttons.
Fuse Replacement
CAUTION
For continued safe operation, replace fuses with the same type.
Fuses F1 and F2 are Bussmann C515S 1.25A SB 2AG.
Fuse F401 is Bussmann GMA 1A 5X20MM.
Summary of Contents for IPE2500A
Page 69: ...63 03 12 Circuit Boards...
Page 70: ...Circuit Boards IPE2500A and IPE2500A MLS Paging Encoder Desktop Controller 64...
Page 71: ...IPE2500A and IPE2500A MLS Paging Encoder Desktop Controller Circuit Boards 65...
Page 73: ...67 03 12 Schematics...
Page 80: ...Schematics IPE2500A and IPE2500A MLS Paging Encoder Desktop Controller 74 Schematic Sheet 7...
Page 86: ...Schematics IPE2500A and IPE2500A MLS Paging Encoder Desktop Controller 80...
