Power Supply Unit Installation
Digital Telephone Interface Bd (DTIB)
Digital Telephone Interface Exp. Board (DTIBE
Electronic Telephone Interface Brd (ETIB)
Single Line Interface Board (SLIB)
Loop Start CO Trunk Board (LCOB)
Ground Start CO Trunk Board (GCOB)
Direct Inward Dialing Board (DIDB)
DTMF-4A
DTMF-4B
T-1 Interface Board (T1IB)
Primary Rate Interface Board (PRIB)
Message Unit (MSGU)
Battery Charging Unit (BCU)
Miscellaneous Interface Unit (MISU)
Main Processor Board (MPB)
* Any Station card plugged into slots 6, 7, and 8 on the BKSU, or Slot 5 on the EKSU draws
power from PS2. All DTIBEs draw power from PS2.
Refer to
Table 3-1: Power Consumption per Card
Card
10A Power Supply provides 240 watts
15A Power Supply provides 360 watts
Figure 3-1
for a list of all card types.
Power Required
38 watts*
38 watts*
42 watts*
14 watts*
7 watts
10 watts
36 watts
1.5 watts
0.5 watts
4.5 watts
4.5 watts
6 watts
36 watts
3 watts
4.5 watts
3-19