Install and Wire Telephone Power Supply
1145B Power Supply
SI Installation and Upgrades
551
June 2004
Figure 218: 1145B/1146B Mounting Arrangement
Figure notes
1
Wall Mounting Plate
2
Battery (1149B Shown)
3
1146B Power Distribution Unit
4
1145B Power Unit
5
Power Cable
6
Unswitched Outlet (120 VAC, 20
Amp or 230 VAC, 15 Amp)
7
Battery Backup Switch Setting
1 1 4 5 Pow e r U n it
11 4 9 B a tter y
O n Ba tte ry R e s e rve
C ha rg in g B atte ry
O u tpu t Pow er O n
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
-48V
-48V
RT N
RT N
Un it N o.
Co n nec te d To:
1 -8
1 -3 2
00 0 3 _ 1 P D H 0 62 5 9 6