DDA257-XXX 1+2 Controller
A 'fixed format' 1+2 redundancy controller for simple applications requiring only input and output switches, with basic switching control. As with all our redundancy controllers, the unit has a number of configurable features, as well as comprehensive RC&M facilities, generally compatible with our other controllers. Most versions use latching mechanical switches, for best RF performance. Ensures signal paths are maintained if the controller is powered down for any reason.
Can also be used as a general purpose switch controller, with a number of front panel options
- For 1+2 Systems
- Control four coaxial and/or waveguide switches
- IF (50 or 75 ohm), SHF coaxial switches, internal or external
- External waveguide switches
- 1U rack mount
- Dual power supplies
- RC&M port
- Optional network port for SNMP, web browser etc (DDA257-XXXE)
DDA257 for LNA/LNB Control
- 2 or 4 external waveguide/coax switches
- Monitored LNA/B power supply option
- Simple setup via test connectors
- Same general features as other DDA257 family controllers

Data Sheet: DDA257_Data.PDF.