User's Manual

Access P oint Hardw are Installation Base Control Unit Installation

Figure 4 -2 BCU P ower and Customer Interface Compartment

ti-cdma-04174.eps

Ethernet

connection

RGPS connector

behind cover

AC Power

compartment

with cover removed

Customer Input /

Output connectors

RF -GPS Module

Electrical

The B CU is designed to use 100–240 V AC , +27 VDC , or –48 VDC .

If powered by single phase AC voltage (customer supplied), the range is 100/240 V AC @ 50/60

Hz, 16A max., +20 to +30 VDC , 78A max., or -60 to -30 VDC , 38A max.. The AC voltage is

converted to +54 VDC within the P ower Supply Modules (PSM).

If powered by +27 VDC (customer supplied) the range is +21 to +30 VDC . See Figure 4 -11

If powered by —48 VDC (customer supplied) the range is –60 to –40 VDC . See Figure 4 -11

68P09277A59 -8 4 -7

PRELIMINARY - UNDER DEVELOPMENT MA Y 2007