User Manual

Isolate Span Lines/Connect LMF – continued
SC4812ET BTS Optimization/ATP — CDMA LMF
Jan 2002
3-12
Table 3-1: Pin–Out for 50–Pair Punchblock
Punchblock
Cable
Connector
Ext. Cable Wire
Color
Punch PinSignal Name
Function
GPS_Power_A 42T Yellow
For frame GPS_Power_A_Return 42R Yellow/Black
without RGD
GPS_Power_B 43T Blue
Expansion
Punchblock
GPS_Power_B_Return 43R Blue/Black
Single Frame
GPS_TXD+ 44T White
RGD/RGPS
BTS;RGPS Head
GPS_TXD– 44R White/Black
Connection
GPS_RXD+ 45T Green
OR
Multiple Frame
GPS_RXD– 45R Green/Black
Multiple Frame
BTS; RGD
Signal Ground (TDR+) 46T Red
Connection at
Signal Ground (TDR–) 46R Red/Black
RGPS Secondary
Frame
GPS_1PPS+ 47T Brown
GPS_1PPS– 47R Brown/Black
GPS_Power_A 42T Yellow
GPS_Power_A_Return 42R Yellow/Black
GPS_Power_B 43T Blue
For frame with GPS_Power_B_Return 43R Blue/Black
RGD Expansion
Punchblock
GPS_TXD+ 44T White
OR GPS_TXD– 44R White/Black
RGD/RGPS
Multiple Frame
BTS; RGPS Head
GPS_RXD+ 45T Green
BTS; RGPS Head
Connection at
GPS_RXD– 45R Green/Black
RGPS Primary
Frame
Signal Ground (TDR+) 46T Red
Master Frame (TDR–) 46R Red/Black
GPS_1PPS+ 47T Brown
GPS_1PPS– 47R Brown/Black
Reserved 48T
MODEM
Reserved 48R
RGD/RGPS Chassis Ground 49T N/A
None No Connection 49R None
Reserved 50T None
ALARM
Reserved 50R None
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