User's Manual

Confidential & Proprietary 12/87
 Signals with a plurality of service provider transmit simultaneously
 Support multi-operator in a band
z Low OPEX / CAPEX
 Compact design
 Upgradable design
 Easy installation and maintenance
 Web Based SNMP or GSM Modem or UDP support (Optional)
2.2 System overview
SMDR-NH124 is composed of devices given below.
Basically, the system consists of BIU (BTS Interfcace Unit), ODU (Optic distribution Unit) and
ROU (Remote Optic Unit). For addition of more ROUs, it has OEU (Optic Expansion Unit).
Figure 2.1 – Basic system topology