User's Manual

Mobile WiMAX Indoor RAS SPI-2210 System Description/Ed.07

3.2.3 PDP-PIR

PDP-PIR is mounted on the top of the indoor SPI-2210.

Figure 3.4 PDP-PIR Configuration

Board Name Quantity Function

PDP-PIR 1 Power Distribution Panel-Premium Indoor Redundancy

PDP-PIR receives DC power via a rectifier and distributes it to

each block in a rack.

MRU-2/MRR on the RFB, AICU, Fan Control Module and auxiliary device part receive

-48 VDC from the PDP-PIR and the FCM branches the supplied power to four fans in the

indoor SPI-2210. The PDP-PIR supplies the power to each board of DMB via MBB-P and

each board uses -48 VDC supplied after converting into the required power for the

corresponding board.

Antenna Interface Control Unit (AICU)

The AICU is the unit to supply the power and to receive/transmit alarm/control

message to TTLNA (service provider’s optional device). For more detailed

information, refer to section ‘5.1’.

PDP-PIR