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T est Equipment Set Up Chapter 3: LMF Oper ation
Figure 3 -30 A TP T est Setup – Anritsu MT8212B
TEST SET OPTIMIZATION/ATP SET UP
CDMA
LMF
INTERNAL OR PCMCIA ETHERNET
NETWORK INTERFACE CARD (NIC)
UNSHIELDED TWISTED PAIR (UTP)
CABLE (RJ45 CONNECTORS)
SERIAL
INTERFACE
COMMUNICATIONS
SYSTEM ANALYZER
RF IN
50 Ω
RF OUT
50 Ω
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM SSI TREF OUT
RF IN
50 Ω
FREQ MONITOR
19.6608 MHZ CLOCK
REFERENCE FROM
SSI FREF OUT
ANRITSU MT8212B
RF OUT
50 Ω
TX TEST
RX TEST
RS232 SERIAL
INTERFACE CABLE
NOTES:
1. USE THE SAME CABLE SET FOR TX
AND RX ATP. SWITCH THE CABLES
DURING ATP TESTS AS SHOWN.
2. FOR RX TESTING (RSSI), TOTAL RF
PATH ATTENUATION
(CABLES+COUPLERS+ATTENUATORS)
MUST BE 65 dB OR GREATER.
SERIAL
INTERFACE
CONNECTOR
100-W ATT (MIN.)
NON-RADIA TING
RF LOAD
UBS
RX DIV TX/RX M
(DUPLEXED TX
AND RX)
IDRF
CRMS/LMT
CUSTOMER
ENET
FREF
OUT
TREF
OUT
SSI
ti-cdma-06207.eps
3 -44 68P09283A63 -5
FOA A UG 2007