User's Manual

Table Of Contents
MBSC0800-040-RU
MBSC0800-040-RU July 02, 2014
Page 12
Table 2Host Unit Indicator Description
#
Indicator
Status
Description
1
RUN
Green(Flashing)
Normal system operation
Red(Flashing)
System fault detected
3.3 Remote Node Description
The Remote Node serves as the remote interface unit for the fiber optic mBSC system. It is comprised of a
mounting bracket and enclosure for up to five single-band Remote Units (RUs) and a Fiber/Antenna
combiner unit. The Remote Node provides the following basic functions:
RF interface to the mobile end-systems via an external service antenna
Optical interface to the Host Unit FIU
Conversion of the forward path(downlink) optical signal to original RF signal
Conversion of the reverse path(uplink) RF signal to an optical signal
Transports alarm status over the optical fiber
Supplies in-band messaging between the Host Unit and the Remote Node for Remote Node
alarms and configuration
3.3.1 CM-BTS/ANT Enclosure
The CM-BTS/ANT module provides two key functions:
1. Electrical-optical/optical-electrical signal conversion and separates the combined multi-band RF
signals into simplex connections for delivery to the respective single-band RU Enclosures
2. Combines the RF signals from each single-band RU Enclosure for duplex interconnection with the
service antenna