Command
Center
0
2
5
3
1
4 6
7
8 9
*
#
0
2
5
3
1
4 6
7
8 9
*
#
or Direct 24vac/vdc Supply
0
2
5
3
1
4 6
7
8 9
*
#
120 Volt Power
Connection to
UPS Control Port
Up to 16 Phones
(One Wire Pair Connection)
120 Volt Power Connection
to Incoming 120 Volt Power
Larger Systems Will Require
Addtional Pairs
Telco Lines
Distribution Module
Power Supply
with UPS
1 Wire Pair Per Phone
22AWG or 24AWG
Max. distance using
22AWG is 112,500’ and
using 24AWG is 70,300’
GROUND
NEUTRAL
120vac HOT
GROUND
NEUTRAL
120vac HOT
GROUND
NEUTRAL
120vac HOT
24/6VA
24/6VA
24/6VA
or Direct 24vac/vdc Supply
or Direct 24vac/vdc Supply