User's Manual

Test Equipment Set-up – continued
FEB 2005 1X SC 4812T Lite BTS Optimization/ATP 3-87
PRELIMINARY
Set-up for TX Calibration
Figure 3-31 and Figure 3-32 show the Test Set Connections for TX
Calibration.
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Motorola CyberTest
Agilent 8935 Series E6380A (formerly HP 8935)
TEST SETS TRANSMIT (TX) SET–UP
ÎÎÎÎ
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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.
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 IN/OUT
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
2O 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
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
Figure 3-31: TX Calibration Test Set–up –
CyberTest (IS–95A/B) and Agilent 8935 (IS–95A/B and CDMA2000 1X)
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