Installation Manual

Table Of Contents
T ask 14: Connecting +27 V DC P ower Chapter 2: UBS Macro B T S Installation Procedure
Figure 2 -21 +27 V DC power input cable (DC) connector and connection to PDU
ti-cdma-05694.eps
PDU
(rear view, shown
partially cut away)
Connector
Housing
(Orange)
(+)
(-)
(-)
Crimp-on
Contact/Lugs
+27 VDC Power
Input (Orange)
RED Wire
(Typical)
(+)
2-Wire +27 VDC
Power Cable
(Customer Supplied)
BLACK WIRE
(Typical)
Cable Clamp
Procedure
P erform the T ask 14 as given in Procedure 2 -8 .
Do not wear a wrist str ap when servicing the power supplies or power distribution
cabling.
Ensure that the source for the DC power is in the OFF position.
Ensure that all of the PDU circuit break ers are OFF .
Procedure 2 -8 Procedure for T ask 14
1
Ensure that the BTS ground cable (DD) is connected between the rack and
the Master Ground Bar (refer to T ask 3).
Continued
2 -58 68P09283A62 -3
PRELIMINARY A UG 2007