User's Manual
mBSC081921-12 System
Operation Manual Issue 2
© 2009, Bravo Tech Inc. Page 11
Optical module (FIU) specification
Specification Notes
Third-order Intermodulation ≤ -65dBc (0dBm/2 tone)
Noise ≤ -134dBm/Hz (RF Gain: 0dB)
RF Isolation ≥ 60dB
Spurious ≤ -60dBm / 100KHz (100MHz ~ 3GHz)
Delay 60ns
Temperature of operation -20 ~ +65˚C
Current ≤ 200mA/per module (+12V Power Supply)
Power Supply
DC +5.6V ~ +15V , Power Consumption: <
2.5W
Communication Interface
RS232 and RS485 Interface
Data Rate: Software Setting
NMS Specification Specification Notes
Max No of port
30 (manage 30 BIU rack or FIU rack , 1080
Remote unit)
SNMP based management yes
Web browser yes
Real time alarm display yes
Display various system level values yes
Voltages ,
RF power etc.
Remote download yes
Cellular Band Remote Unit Specification
Downlink Uplink
Frequency 869 to 894 MHz 824 to 849 MHz
Output Power +46dBm±1dB -8dBm±1dB
|∆f| ≥750kHz ≥ 45dBc / 30kHz
ACPR
|∆f| ≥1.98MHz ≥ 60dBc / 30kHz
90kHz < f < 150kHz ≤ -13dBm / 1kHz
150kHz < f < 30MHz ≤ -13dBm / 10kHz
30MHz< f < 1GHz ≤ -13dBm / 100kHz
Spurious Emission
1GHz < f < 5GHz ≤ -13dBm / 1MHz
N/A
Noise figure N/A ≤ 2.5dB
ALC range
6dB
30dB
VSWR ≤1.5:1
ANT port 7/16 female
Optical interface (master RU only) LC/PC
Temperature of operation -40 ~ +60˚C
Power supply AC 110V / 220V ± 20%
Current < 1A @ Full power, 110VAC / 220VAC input
Weight 16Kg
Dimensions (H x W x D) 120mm x 250mm x 500mm
Weatherproof IP65
MTBF 100,000 Hours
NMS Interface Ethernet
PCS Band Remote Unit Specification Downlink Uplink
Frequency (MHz) 1930 to 1990 1850 to 1910