User's Manual

mBSC081921-12 System
Operation Manual Issue 2
© 2009, Bravo Tech Inc. Page 9
Figure 2-6. User Interface of Remote Unit
Table 2-2. Remote Unit User Interface
Label Name Description
ANT Interface port for Antenna Feed line
RUN LED indicator for normal or critical fault status of RU.
Normal: Green ON, Critical fault: Red ON
SLAVE 1, 2 RF output port to provide the input signal to Slave Remote unit when Dual or Triple
Band application
FIBER Fiber Optic Cable interface port for combined downlink and uplink signal
POWER Interface port for the AC 220V power cable
AISG User Defined Interface port for External Alarm. (Debug port for the default)
VENT Port for the balance of the pressure inside and outside of the enclosure
2.5 Specifications
The specifications for the mBSC system are listed in Table 2-3.
Table 2-3. mBSC System specifications
Downlink Uplink
System Specification
Cellular PCS AWS Cellular PCS AWS
Frequency (MHz)
869 to
894 MHz
1930 to
1990 MHz
2110 to
2155 MHz
824 to
849 MHz
1850 to
1910 MHz
1710 to
1755 MHz
Max Gain (for 0 to
10dB optical loss)
43±1dB 17±1dB
Adjustable Gain Range 20dB 20dB
Adjustable Step 0.5dB 0.5dB
Input power range
0-20dBm for BIU-A; 26-46dBm for
BIU-B
Output Power +46dBm±1dB -8dBm±1dB
Max No Damage Input
Power
+26dBm for BIU-A
+47dBm for BIU-B
+10dBm
Pass Band Ripple ≤±1.5 dB ≤±1.5 dB
Noise Figure
(@17dB Gain)
N/A
≤ 2.5dB (0 dB optical loss)
≤ 2.8dB (5 dB optical loss)
≤ 3.0dB (10 dB optical loss)
Noise Figure N/A ≤5dB (0-10dB optical loss)