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Installing the Modular Base Station Equipment
Installation
65
2.6.3 BS-PS-DC Power Supply Module
The BS-PS-DC is a DC-to-DC converter that provides power to all the BS-AU
modules installed in the BS-SH chassis. Figure 2-21 shows the BS-PS-DC front
panel.
Figure 2-21: BS-PS-DC Front Panel
The BS-PS-DC provides a power input connector, marked -48VDC, for connecting
the -48 VDC power source to the module.
The color codes of the cable wires are as follows:
Black (pin 2): 48 VDC
White (pin 1): + (Return)
Shield (pin 3)
The ON/OFF Power Switch controls the flow of mains power to the power supply
module.
The functionality of the LEDs is described in Table 2-6.