User Manual

Test Equipment Set Up – continued
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-61
DRAFT
Figure 3-18: IS–95 A/B Optimization/ATP Test Setup Calibration Using Directional Coupler
(CyberTest, HP 8935 and Advantest)
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Motorola CyberTest
Hewlett–Packard Model HP 8935
DUPLEX OUT
TEST SETS Optimization/ATP SET UP
ÎÎÎ
ÎÎÎ
ÎÎÎ
Ï
RF
IN/OUT
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
FREQ MONITOR
19.6608 MHZ CLOCK
REFERENCE FROM
CSM BOARD
RF IN/OUT
HP–IB
TO GPIB
BOX
Advantest Model R3465
INPUT
50–OHM
GPIB CONNECTS
TO BACK OF UNIT
NOTE: The Directional Coupler is not used
with the Cybertest Test Set. The TX cable is
connected directly to the Cybertest Test set.
RF OUT
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
FREQ MONITOR
19.6608 MHZ CLOCK
REFERENCE FROM
CSM BOARD
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
FREQ MONITOR
19.6608 MHZ CLOCK
REFERENCE FROM
CSM BOARD
RF
OUT
RX ANTENNA
PORT
TX ANTENNA
PORT
RS232 NULL
MODEM
CABLE
BTS
TX
TEST
CABLE
10BASET/
10BASE2
CONVERTER
LAN
B
LAN
A
RX
TEST
CABLE
Communica
tions test
set
IEEE 488
GPIB BUS
IN
TEST SET
INPUT/
OUTPUT
PORTS
OUT
NOTE: IF BTS RX/TX SIGNALS ARE
DUPLEXED (4800E): BOTH THE TX AND RX
TEST CABLES CONNECT TO THE DUPLEXED
ANTENNA GROUP.
100–WATT (MIN)
NON–RADIATING
RF LOAD
10 DB PAD
EVEN
SECOND/SYNC
IN
CDMA
TIMEBASE
IN
FREQ
MONITOR
SYNC
MONITOR
CSM
30 DB
DIRECTIONAL
COUPLER
RS232–GPIB
INTERFACE BOX
S MODE
DATA FORMAT
BAUD RATE
GPIB ADRS G MODE
ON
DIP SWITCH SETTINGS
INTERNAL PCMCIA
ETHERNET CARD
UNIVERSAL TWISTED
PAIR (UTP) CABLE
(RJ45 CONNECTORS)
CDMA
LMF
REF FW00096
ADVANTEST NOT SUPPORTED
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