User's Manual

Table Of Contents
Automated Acceptance Test Procedure68P64115A18–1
Mar 2003
1X SC 4812T Lite BTS Optimization/ATP Software Release R2.16.1.x
DRAFT
4-5
S Disconnected companion frames: When inter–frame diversity RX
cables are disconnected, connect test equipment for diversity RX ATP
at the RX EXPANSION connectors 1B, 2B, or 3B on the frame under
test. Refer to Figure 4-1 and Table 4-2. Be sure EMPC is selected
before logging the LMF into the frame or FER will fail.
Figure 4-1: SC4812ET Lite Companion Frame Diversity RX Simplified Interconnection Diagram
MPC
1A
2A
3A
CIO
EMPC
INTER–FRAME
DIVERSITY RX
CABLES
1A
2A
3A
RX MAIN
(3 SECTORS)
RX DIVERSITY
(3 SECTORS)
RX MAIN
(3)
TO
BBXS
ANTENNAS
CONNECTORS
(TRDC/DRDC)
RX EXPANSION
CONNECTORS
SC4812ET LITE COMPANION FRAME 1
MPC
1A
2A
3A
CIO
EMPC
1A
2A
3A
RX MAIN
(3)
TO
BBXS
SC4812ET LITE COMPANION FRAME 2
RX EXPANSION
CONNECTORS
ANTENNAS
CONNECTORS
(TRDC/DRDC)
SC4812ETL0045–1
SIGNALS:
RX MAIN
RX DIVERSITY
NOTE: ANTENNAS connectors represent TRDC/DRDC portion of receive path.
RX DIVERSITY ATP CONNECTION POINTS:
1: For Companion Frame 1 when inter–frame diversity
RX cables are connected.
2: For Companion Frame 1 when inter–frame diversity
RX cables are disconnected.
3: For Companion Frame 2 when inter–frame diversity
RX cables are connected.
4: For Companion Frame 2 when inter–frame diversity
RX cables are disconnected.
1
2
3
4
RX EXPANSION
CONNECTORS
RX EXPANSION
CONNECTORS
3B
2B
1B
3B
2B
1B
RX MAIN
(3 SECTORS)
RX DIVERSITY
(3 SECTORS)
4