Product Card

1X UBS Macro B T S Optimization/A TP Initial P ower -up T ests

Initial Power -up Tests

■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■

■

Power -up Procedures

P otentially lethal v oltage and current lev els are routed to the UBS equipment. This

test must be performed with a second person present, acting in a safet y role. R emo v e

all rings, jewelry , and wrist w atches prior to beginning this test.

DC Input Power

In the tests to follow , before applying any power , verify the correct power feed and return cables

are connected between the power supply breakers and the power connectors of the UBS .

P ower will ﬁrst be veriﬁed at the input to each UBS . A fter power is veriﬁed, modules within

the UBS itself will be powered up and veriﬁed one at a time.

Motorola recommends that the DC input power cable used to connect the UBS to the main DC

power source conforms to the guidelines outlined in

1X UBS Macro BTS Hardware Installation –

68P09283A62.

Common Power Supply Verication

P erform Procedure 2 -2 on any UBS connected to the common power supply at the site after the

common power supply has been installed and veriﬁed per the power supply OEM suggested

procedures.

Mak e sure the connector adapters are securely attached to each of the UBS power

feeds and returns. Also , mak e sure the cables ha v e been properly installed into each

connector . Loose power cables ma y cause a re.

Continued

68P09283A63 -5 2 -5

FOA A UG 2007