User's Manual Part 2

Test Equipment Set–up – continued
Apr 2001
3-47
SC4812ET BTS Optimization/ATP — CDMA LMF
DRAFT
POWER METER
TEST SETS TRANSMIT (TX) SET UP
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
100–WATT (MIN)
NON–RADIATING
RF LOAD
TX
TEST
CABLE
CDMA
LMF
DIP SWITCH
SETTINGS*
2O DB PAD
FOR 1.9 GHZ
10BASET/
10BASE2
CONVERTER
LAN
B
LAN
A
TX ANTENNA GROUP
OR TX RFDS DIRECTIONAL
COUPLERS
TX
TEST
CABLE
POWER
SENSOR
FW00095
NOTE: THE HP8921A AND ADVANTEST
CANNOT BE USED FOR TX CALIBRATION. A
POWER METER MUST BE USED.
Figure 3-10: TX Calibration Test Setup HP 8921A and Advantest
DIRECTIONAL COUPLER
(30 DB)
* BLACK PORTION OF THE
DIAGRAM REPRESENTS THE
RAISED PART OF THE
SWITCH
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