User's Manual

mBSC081921-12 System
Operation Manual Issue 2
© 2009, Bravo Tech Inc. Page 10
Downlink Uplink
System Specification
Cellular PCS AWS Cellular PCS AWS
(@6dB Gain)
Dynamic range N/A 60dB
System delay ≤ 500ns
Optic Link Budget 10dB (full performance) , 15dB (derate)
Optic Wavelength 1310/1550nm
ALC range 6dB 30dB
VSWR ≤1.5
Antenna Port 7/16 DIN female
Optical connector FC/APC (HU) ; LC/PC (RU)
Power Supply DC -48V (HU) ; AC 110/220V (RU)
Waterproof IP40 (HU) ; IP65 (RU)
NMS Support SNMPv2
Downlink Uplink
BIU 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 No of Plug-in
module
6 for low power (BIU-A)
3 for High power (BIU-B)
Input power level 0 ~ 20dBm for low power module, 26-46dBm for high power module
Input/Output VSWR ≤ 1.5
Temperature of
operation
-40˚C ~ +60˚C
Power supply DC -48V
Current < 1A @ Full power output
Weight 17Kg
Dimensions (H x W x D
)
177mm x 485mm x 445mm
MTBF 100 , 000 Hours
No of BTS interface/per
band
2
Max No of divided
output
4/per module
RF Port SMA
NMS Interface Ethernet
Optical module (FIU) specification Specification Notes
Optical Wavelength
1310 ± 20nm (HU)
1550 ± 20nm (RU)
Optical Output Power 4dBm ± 2dB
Optical Input Power -18 ~ 6dBm
Tx Alarm optical output power < -3dBm Software setting
Rx Alarm Optical input power < -15dBm Software setting
WDM Embedded
Fiber Connector FC/APC
Frequency 700 ~ 2200MHz
Link Gain
0 ± 2dB (Uplink , Downlink) @ 0 ~ 10dB
fiber loss
Default
Flatness ≤ 1dB in each band
VSWR ≤ 1.4