User's Manual Part 2

Test Equipment Setup – continued
6-58 1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU MAY 2004
PRELIMINARY
Set-up for TX Calibration
Figure 6-14 and Figure 6-15 show the test set connections for TX
calibration.
Figure 6-14: TX Calibration Test Setup –
CyberTest (IS–95A/B) and Agilent 8935 (IS–95A/B and CDMA2000 1X)
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Motorola CyberTest
Agilent 8935 Series E6380A (formerly HP 8935)
TEST SETS TRANSMIT (TX) SET UP
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FRONT PANEL
RF
IN/OUT
RF
IN/OUT
HP–IB
TO GPIB
BOX
NOTE: THE 30 DB DIRECTIONAL COUPLER IS NOT
USED WITH THE CYBERTEST TEST SET. THE TX
CABLE IS CONNECTED DIRECTLY TO THE
CYBERTEST TEST SET.
RS232–GPIB
INTERFACE BOX
GPIB
CABLE
RS232 NULL
MODEM
CABLE
S MODE
DATA FORMAT
BAUD RATE
GPIB ADRS G MODE
ON
BTS
CDM
WinLMF
DIP SWITCH SETTINGS
LAN
B
LAN
A
GPIB
RF IN/OUT
FREQ
MONITOR
SYNC
MONITOR
CSA
Communications
System Analyzer
0–20 DB
IN–LINE
ATTENUATOR
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
Power Meter
(OPTIONAL)*
POWER
SENSOR
* A POWER METER CAN BE USED IN
PLACE OF THE COMMUNICATIONS
TEST SET FOR TX CALIBRATION/
AUDIT
NOTE:
TO PERFORM LOW POWER CALIBRATION
THE POWER METER IS ADEQUATE FOR
MEASUREMENT PURPOSES WITHOUT
USING THE 30 DB DIRECTIONAL COUPLER
AND 0–20 DB ATTENUATOR.
IF THE AGILENT 8935 MUST BE USED,
THEN CONNECT TO THE ANT IN PORT.
ANT
IN
cCLPA
ANTENNA
CONNECTOR
TX IN
CONNECTOR
RX OUT
CONNECTOR
TX 1RX DIV
LOW POWER
CONNECTION
HIGH POWER
CONNECTION
6