Power Supply Module Backplane Connections; Backplanes And Card Cages; Figure 15: Power Supply Connections (Rear); Table 31: Power Supply Module Backplane Connections - Motorola ASTRO 25 GTR 8000 Manual

MN003286A01-E
Chapter 2: GTR 8000 Base Radio Theory of Operation
2.1.4.5

Power Supply Module Backplane Connections

This table provides descriptions and functions of the power supply backplane connections.

Table 31: Power Supply Module Backplane Connections

Port/Type
AC Input only
Battery / DC 48 VDC:
Power and
• Provides the DC input to the power supply when operating from a DC source.
Control Sig-
• Connects the charger output to the standby battery when operating from an AC
nal
input with a standby DC battery.
29 VDC:
• Provides the Main and Auxiliary DC outputs of the power supply for use by the
power amplifier, transceiver, and site controller.
Other signals this connector handles include control interface and battery tempera-
ture interface.

Figure 15: Power Supply Connections (Rear)

2.2

Backplanes and Card Cages

Card cages are created with a welded and riveted design. Each card cage has a backplane.
• See GTR 8000 Base Radio Rear Connections (Integrated Voice and Data) on page 105
8000 Base Radio Rear Connections (HPD) on page
70
Description
108.
and GTR