User Manual

BTS Equipment Identification continued
Jan 2002
1-19
SC4812ET BTS Optimization/ATP CDMA LMF
FW00171
Figure 1-6: SC 4812ET I/O Plate Diagram
RF Expansion Ports
Punch
Block
Power Input
27V Ret
Antennas
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