User's Manual Part 1

BTS Equipment Identification – continued
Apr 2001
1-21
SC4812ET BTS Optimization/ATP — CDMA LMF
DRAFT
FW00171
Figure 1-7: SC 4812ET I/O Plate Diagram
RF Expansion Ports
Punch
Block
Power Input
27V Ret
Antenna’s
1A 2A 3A 1B 2B 3B
4A 5A 6A 4B 5B 6B
1A 2A 3A 1B 2B 3B
4A 5A 6A 4B 5B 6B
1
2
Remote
ASU
GND
Lugs
50 Pair
(Alarms/Spans)
Punchblock
20 Pair
(RGPS)
RGD
Board
RGD/RGPS
Power Input
+27V
Micro–
wave
RF
GPS
A
B
IN OUT
LAN
19 MHz
2 Sec
Spans
Alams
Modem
1