User's Manual

MA 2000 System Elements
BTS/BDA Side Elements
MA 2000 Installation and Configuration Guide 10
RIUs provide interface to each BTS/BDA through internally installed sub-modules corresponding
to the RF signal source (BTS or BDA) and the service band. Two main types of sub-modules are
available:
• BTSC (BTS Conditioner) - BTS service specific modules
• BDAC (BDA Conditioner) – BDA service specific modules
Two types of RIUs are available:
• RIU Chassis
• RIU Lite
2.1.1.1 MA RIU Chassis
MA RIU Chassis is a scalable device with the following main capabilities:
• Support for up to three BTS and BDA services in any combination
• Duplex and simplex BTS/BDA interface for each service
• Support for up to four 8-port BUs, where the number of BUs can be doubled using an
Extension
• Front panel indicators per service module
• Setup and monitoring using MCT via a local RS232 or a dial-up connection
• Setup and monitoring using the MCT software application and connection to the host MA
410/430 controller
• 3U 19” rack-mountable device with an integrated power supply.
Figure 2-1. RIU Chassis with Three Sub-modules