User's Manual

In–Service Calibration – continued
PRELIMINARY
1X SCt4812ET Lite BTS Optimization/ATP
08/01/2001
H-20
TX
TEST
CABLE
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Agilent E6380A (HP 8935)
DUPLEX OUT
TEST SETS Optimization/ATP SET UP
RF IN/OUT
HP–IB
TO GPIB
BOX
RX ANTENNA
PORT
TX ANTENNA
PORT
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
TX
CABLE
CDMA
LMF
DIP SWITCH SETTINGS
10BASET/
10BASE2
CONVERTER
LAN
B
LAN
A
RX
TEST
CABLE
COMMUNICATIONS
TEST SET
IEEE 488
GPIB BUS
IN
TEST SET
INPUT/
OUTPUT
PORTS
OUT
NOTE: IF BTS RX/TX SIGNALS ARE
DUPLEXED: BOTH THE TX AND RX TEST
CABLES CONNECT TO THE DUPLEXED
ANTENNA GROUP.
30 DB
DIRECTIONAL
COUPLER WITH
UNUSED PORT
TERMINATED
EVEN
SECOND/
SYNC IN
EXT
REF
IN
FREQ
MONITOR
SYNC
MONITOR
CSM
REF FW00758
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
FREQ MONITOR
19.6608 MHZ CLOCK
REFERENCE FROM
CSM BOARD
ANTENNA
RX
CABLE
ANTENNA
Figure H-11: Optimization/ATP Test Setup Using Directional Coupler – Agilent Test
Equipment
20 DB PAD
(FOR 1.7/1.9 GHZ)
10 DB PAD
(FOR 800 MHZ)
RF
INPUT
RF
OUTPUT
Agilent E4432B (Top) and E4406A (Bottom)
FREQ MONITOR
19.6608 MHZ CLOCK
REFERENCE FROM
CSM BOARD
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
BNC
“T”
TO TRIGGER IN
ON REAR OF
TRANSMITTER
TESTER
TO PATTERN TRIG IN
ON REAR OF SIGNAL
GENERATOR
TO EXT REF IN
ON REAR OF
TRANSMITTER
TESTER
H