User's Manual

Confidential & Proprietary 12/30 SC-DAS
4
RCPU
Remote Central Processor Unit
Controls signal of each unit
Monitors BIU/ODU/OEU status through FSK modem
communication
5
Enclosure
Enable Wall Mount;
Check if the system is normal, through the bottom panel
LED
2.1.4 Function by unit
1) Main RF Module/Add on RF Module (MRFM/ARFM)+BPF
When receiving TX signals from each band through R-Opt, MRFM/AFRM filters the signals and
amplifies them with High Power Ampifier. The unit also filters RX signals given through antenna and
amplifies them as low noise to send the signals to R-Opt.
In the unit, there is ATT to adjust gain. This devices are varied for each frequency band, including the
following:
No
Unit naming
Description
BPF
Cavity Filter
Ceramic Filter
1
MRFM 1900P+850C
Dual.
1900P
850C
2
ARFM 700LTE+AWS-1
Dual.
700LTE
AWS-1
3
To be Developed
2) Remote Power Supply Unit (RPSU)
RPSU receives -48V of input. This unit is divided into DC/DC type to output +25V of DC power and
AC/DC type to receive 120V of AC input and to output +25V of DC power.
Upon order, either of the two types should be decided. MS Connector, which uses ports to receive
inputs, is designed to different type of AC and DC. The input cable is different as power input
conditions.
RPSU don’t have switch to turn the power ON/OFF. If power receives, power is automatically
operated
Here, you should check for rang of input power as following:
No.
Unit
Range of input power
Remark
1
AC/DC
90 ~ 264VAC
2
DC/DC
-42V ~ -56VDC