User Manual

System Description NOTCHCELL Repeater
R-TRON Proprietary & Confidential Page 17
4.4 Repeater Setup
The repeater parameters can be set locally by means of a desktop or notebook running OMT. The PC is
connected to the ARCU via the RS-232 PC port.
* Option (Bluetooth Adapter): When it is used, it enables wireless integration
5 Board and Unit Descriptions
5.1 MCPA for downlink
RF OUT
RF󰼿 I N
GAIN󰼿
CONTROL
I SOLATOR
DRI VE󰼿 AMP
MAI N󰼿 AMP
MAI N󰼿 AMP
FWD󰼿 DETECT REV󰼿 DETECT
Figure 16 Block diagram of Power Amplifier unit for downlink
MCPA amplifies RF signal received from UDC (Downlink) up to 50 dB and its Maximum RF input is 42 dBm in
terms of CDMA SFA standards.
Connection
Port Connected to
RF IN RF OUT on the UDC-DL board.
RF OUT DL on the DPX-MS duplex filter.
CON On the ARCU board
CON 27V port on the PSU unit
Specification
Item Specification Remarks
Frequency 1945MHz~1950MHz
Bandwidth 5MHz
Gain
50
± 0.5dB
Output Power 42dBm
I/O Port 1: GND 2: Over Power Alarm Normal: Low