User's Manual Part 1

Features - 11 -
®
Affinity LBD-200C-N1 Transmitter
Product Manual
used for monitoring and troubleshooting are accessible internally from the front-side of the
cabinet. All service and external interface points are easily accessible through the front, rear
and left side of the cabinet. The right side of the cabinet is intentionally left blank for installation
near a build wall or similar structure. Most field replacement units are front-loaded. Each cabinet
assembly is designed to fit through typical building service entries requiring no major structural
changes for installation. An optional rain shield can be provided to aid in protection against a
sudden change of weather during maintenance; however for safety reasons maintenance in
poor weather is not suggested nor recommended by Thales. Refer to the cabinet layout
diagrams in the Block Diagram
and Schematics section of this manual for further detail.
The modulator supports 2k, 4k & 8k operating modes, and is well suited for Multi Frequency
Networks (MFN), Single Frequency Networks (SFN), and Hierarchical operation. The modulator
has been seamlessly integrated as part of the Affinity® transmitter
Each Affinity® L-Band transmitter incorporates GaAs amplifier architecture. The Affinity®
transmitter is integrated with the most advanced heat sink technology, and the integral forced
air-cooling system of the Affinity® virtually eliminates the need for external blower units. The
Affinity® line of transmitters are fully compatible with DVB-H standards and feature advanced
embedded software for alignment and system management.
4.4 Additional Affinity® Features:
Advanced embedded microcontroller design; all transmitter performance adjustments
are programmable and password controlled.
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No mechanical tuning required.
Software setup and control via front panel RS-232 communication ports and/or Local
MMI.
Built-in RS-485 network hardware used to interface control and monitor systems.
SNMP, Web Server, etc.
Built-in diagnostics with front panel Liquid Crystal Display (LCD) status display.
Controlled fold-back VSWR protection. Fast shutdown under extreme reflections.
Soft fold-back of output power under Power Amplifier Segment (PAS) fault conditions.
Modular front panel plug-in design for easy maintenance and repair.
Field Replaceable Unit (FRU) modules are common among the different power levels.
Incorporated “Hot Swap” solid-state final power amplifier architecture
The Affinity® includes an advanced control system that provides for enhanced monitoring and
diagnostic capability. The control system includes a screen-display for detecting and locating
equipment malfunctions and faulty subassemblies. The control system interface consists of a
front panel LCD and a soft-key activated menu. Alarm indicators and normal controls, as well as
power readouts, are available via the display assembly.
The Affinity® transmitter incorporates the Omnitronix SL81 Status Control and Monitoring
Systems (SCMS). (See SCMS section
of this manual for operational details.)