User's Manual

044-05311 Rev A 1-1
Chapter 1
Product Description
Introduction
This manual contains information and procedures for installation, operation, and maintenance of the Nexus RT
epeater, referred to in this manual as the Nexus RT. The manual is organized into chapters as follows:
Scope of Manual
This manual is intended for use by service technicians familiar with similar types of equipment. It contains
service information required for the equipment described and is current as of the printing date. Changes which
occur after the printing date may be incorporated by a complete manual revision or alternatively as additions.
Overview
Nexus RT is a digital repeater that digitally filters the signal, allowing multiple-pass bands of variable bandwidth
to be implemented across the available bandwidth. Feedback cancellation technology reduces the required
isolation between donor and coverage antennas. The Nexus RT is configured with digital processing for sub-
banding and will operate either with or without echo cancellation processing capability. Other features include:
❑ Single or dual band configurations with full band coverage for all bands.
❑
Split band operation (up to 5 sub-bands per band). 1900 and 850 bands are supported in Phase 1.
❑ +28 dBm composite UL/DL
❑ 20 to 35 dB echo cancellation capability
❑ Digital Filtering – 5 sub-bands
❑ Programmable interference rejection
❑ Echo cancellation
❑ Auto configuration / optimization
❑ Native Simple Network Managemenmt Protocol (SNMP) monitoring/control
❑ NetWay Manager support
❑ Native SNMP control/monitoring
❑ Packet Data modem (option)
❑ Zero maintenance (sealed, no fans)
Nexus RTs are microprocessor controlled with alarm and operational status LEDs visible on the bottom of the
cabinet. Cooling is provided through convection heat dissipation.
❑
Chapter 1 - Product Description
❑
Chapter 2 - Indicators and Connectors
❑
Chapter 3 - Installation
❑
Chapter 4 - Maintenance
❑
Chapter 5 - Specifications