User's Manual

Table Of Contents
Pre-Power-up Tests
68P09255A61-4
Aug 2002
1X SC 4812T BTS Optimization/ATP Software Release 2.16.1.x
FIELD TRIAL
2-10
Figure 2-5: -48 V BTS DC Distribution Pre-test
4
1
5
2
7
6
3
8
P
9
O
W
E
R
30
40
40
30
40
40
30
40
40
POWER INPUT
TOP OF FRAME
C-CCP BREAKER
LPA
BREAKER
4
GND
5
6
1
2
3
TX OUT
CAUTION
LIVE TERMINALSLIVE TERMINALS WIRED FOR -48 VDC
LFR
HSO/
Breakering:
Two LPAs on each trunking backplane breakered together
Designed for peak LPA current of 15 amps (30 A breakers)
Unused TX paths do not need to be terminated
Single feed for C-CCP
Dual feed for LPA
FW00483
1
2
3
1
2
3
1C
1A
2A
2C
3C
3A
4A
4C
L
P
A
1D
1B
2B
2D
3D
3B
4B
4D
30
30
30
30
30
30
30
30
2