User's Manual

CSM System Time – GPS and HSO Verification – continued
FEB 2005 1X SC 4812T Lite BTS Optimization/ATP 3-69
PRELIMINARY
TEST SETS TRANSMIT (TX) SET–UP
TO
MPC
TO PA
TRUNKING
MODULE
RS232–GPIB
INTERFACE BOX
INTERNAL PCMCIA
ETHERNET CARD
GPIB
CABLE
UNIVERSAL TWISTED PAIR (UTP)
CABLE (RJ45 CONNECTORS)
RS232 NULL
MODEM
CABLE
S MODE
DATA FORMAT
BAUD RATE
GPIB ADRS G MODE
ON
BTS
INTERNAL
TX
CABLE
CDMA
LMF
DIP SWITCH SETTINGS
10BASET/
10BASE2
CONVERTER
LAN
B
LAN
A
GPIB
RF INPUT 50 Ω
OR INPUT 50 Ω
RX
ANTENNA
CONNECTOR
FREQ
MONITOR
SYNC
MONITOR
CSM
INTERNAL
RX
CABLE
TX
ANT
CPLD
RX
BTS
CPLD
TRF
TX
BTS
CPLD
RX
ANT
CPLD
TX
ANTENNA
CONNECTOR
COMMUNI–
CATIONS
System
Analyzer
50 Ω
TERM
.
TX TEST
CABLE
DIRECTIONAL
COUPLER
(30 DB)
100–WATT (MIN.)
NON–RADIATING
RF LOAD
TX TEST
CABLE
* BLACK RECTANGLES
REPRESENT THE RAISED
PART OF SWITCHES
NOTE: IF BTS IS EQUIPPED
WITH DRFS (DUPLEXED
RX/TX SIGNALS), CONNECT
THE TX TEST CABLE TO
THE DRF ANTENNA
CONNECTOR.
POWER
METER
(OPTIONAL)*
POWER
SENSOR
* A POWER METER CAN BE USED IN
PLACE OF THE COMMUNICATIONS
TEST SET FOR TX CALIBRATION/
AUDIT
RF INPUT
50 Ω
Agilent E4406A
INPUT 50 Ω
Advantest R3267
2O DB IN–LINE
ATTENUATOR
Figure 3-18: TX Calibration Test Set–up –
Agilent E4406A and Advantest R3567 (IS–95A/B and CDMA2000 1X)
3