Installation Manual
GAINGATING
GATE CONTROL
MUTE IN
MUTE OUT
BUS
ASSIGNMENT
PRIORITY
LEVEL
BUS A
BUS B
MUTE LOW
MUTE MED
MUTE HIGH
INPUT
LIMITER
48VDC
@ 50mA
T
R
CM
TEL
INTERFACE
Block Diagram
Ground Start Interface Troubleshooting
1. Check that trunk is a Ground Start type. Try
other trunk style connections. If there is DC
voltage on the telephone line, it is a station
line and cannot be interfaced to this module.
2. Check jumper settings.
3. Check power supply connections and
operation.
4. Check connection between CM terminal and
the PBX’s ground.
5. Try reversing T & R connections.
Loop Start Interface Troubleshooting
1. Check that trunk is a Loop Start type. Try
other trunk style connections. If there is DC
voltage on the telephone line, it is a station
line and cannot be interfaced to this module.
2. Check jumper settings.
3. Check power supply connections and
operation.
4. Try reversing T & R connections.
48VDC
@ 50mA
T
R
CM
T
R
Gnd
+
48VDC
50mA (min)
TEL1S
Terminal Strip
External
Power Supply
PBX
Ground Start
Trunk
48VDC
@ 50mA
T
R
CM
T
R
Gnd
+
48VDC
50mA (min)
TEL1S
Terminal Strip
External
Power Supply
PBX
Loop Start
Trunk
48VDC
@ 50mA
T
R
CM
A1
A2
TEL1S
Terminal Strip
PBX
Page Port
C1
C2
Audio
Pair
Contact
Pair
x
x
No
Connection
Page Port Interface Troubleshooting
1. Check that there is no DC voltage on the
telephone line. If there is, it is a station line
and cannot be interfaced to this module.
2. Check jumper settings.
3. Check that audio is present at audio pair
leads of page port.
4. Adjust Threshold control on module.
Connections
50 Spring Street, Ramsey, NJ 07446, U.S.A.
201-934-8500; Fax: 201-934-9832
www.bogen.com



