User's Manual

Required Test Equipment – continued
May 2000
1-9
SC 4812T CDMA BTS Optimization/ATP
Directional Coupler
 Narda Model 30661 30 dB (Motorola part no. 58D09732W01)
1900 MHz coupler terminated with two Narda Model 375BN–M
loads, or equivalent.
 Narda Model 30445 30 dB (Motorola Part No. 58D09643T01 )
800 MHz coupler terminated with two Narda Model 375BN–M loads,
or equivalent.
RF Attenuator
 20 dB fixed attenuator, 20 W (Narda 768–20); used with 1.7/1.9 GHz
test cable calibrations or during general troubleshooting procedures.
RF Terminations/Loads
 At least three 100–Watt (or larger) non–radiating RF
terminations/loads.
Miscellaneous RF Adapters, Loads, etc
 As required to interface test cables and BTS equipment and for
various test set ups. Should include at least two 50 Ohm loads (type
N) for calibration and one RF short, two N–Type Female–to–Female
Adapters.
LAN Cable
 BNC–to BNC 50 ohm coaxial cable [.91 m (3 ft) maximum] with an
F–to–F adapter, used to connect the 10BaseT–to–coaxial adapter to
the BTS LAN connector.
High–impedance Conductive Wrist Strap
 Motorola Model 42–80385A59; used to prevent damage from
Electrostatic Discharge (ESD) when handling or working with
modules.
Optional Equipment
Not all optional equipment specified here will be supported
by the LMF in automated tests or when executing various
measure type command line interface (CLI) commands. It
is meant to serve as a list of additional equipment that
might be required during maintenance and troubleshooting
operations.
NOTE
Frequency Counter
 Stanford Research Systems SR620 or equivalent. If direct
measurement of the 3 MHz or 19.6608 MHz references is required.
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