400mm VoIP Help Point, 48V VoIP.
10
Clamp cables by bending tabs
5.3.
Connections to the VoIP module
Make the appropriate connections as shown on the diagrams below.
Take particular note of the cable clamping arrangements – all cables must be securely
clamped in the clamps provided.
0V
+
0V
OP1
OP2
-
IP1 IP2 IP3 IP4
48Vdc
1
A
-T
Barrier
Clamp (on
secondary
insulation)
Connector Legend
Connection
to Output 1
Connection
to Input 1
Cabling example showing connections to Input 1, Output 1 and external 48Vdc.
48Vdc Connection
0V
+
0V
OP2
OP1
-
IP1 IP2 IP3 IP4
48Vdc
1
A
-T
RJ45 Network connector
(under back-box)
Power connections
Input connections
Serial port
Output connections
Clamping position
for power and input
cables
Clamping position
for output cables
Back-box
