User's Manual

Automated Acceptance Test Procedure - Introduction68P09255A69-3
Aug 2002
1X SC4812ET Lite BTS Optimization/ATP Software Release 2.16.1.x
PRELIMINARY
4-5
 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