Product Card

1X UBS Macro B T S Optimization/A TP Pre -P owerup T ests
Pre -Powerup Tests
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Objective
This procedure checks for any electrical short circuits and verifies the operation and tolerances
of the cell site and UBS power supply units prior to applying power for the first time.
Test Equipment
The following test equipment is required to complete the pre–power–up tests:
• Digital Multimeter (DMM)
Alw a ys wear a conductiv e, high impedance wrist str ap while handling an y circuit
card/module to prev ent damage b y Electrostatic Discharge (ESD).
Cabling Inspection
Using the site -specific documentation generated by Motorola Systems Engineering, verify that
the following cable systems are properly installed according to the 1X UBS Macro Installation
manual:
• Receive RF cabling
• Transmit RF cabling
• GPS cabling to E -GPS (GPS RF cable or RGPS cable from the RGPS antenna (if the EGPS
option is not used))
DC Power Pre -Test
Before applying any power to the UBS , follow the procedure in Procedure 2 -1 to verify there are
no shorts in the UBS DC distribution system.
68P09283A63 -5 2 -3
FOA A UG 2007