Double D Electronics Ltd.

Unit 6, Robins Wharf, Grove Road, Northfleet, DA11 9AX England

t.: 01474 333456 f.: 01474 333414 w.: www.doubledelectronics.biz e.: sales [at] doubledelectronics.co.uk

Monitoring & Control

I/O Units

DDA75 32 I/O lines, serial I/F, 1U
DDA249 network interface with browser/telnet control
DDA258 I/O unit with LNB power supplies and analog input, serial interface
DDA260 Serial to SNMP converter with optional I/O and LNB power supplies

Peripherals & Interfaces

DDA236 CPI CIM Replacement
DDA260 Serial to SNMP converter with optional I/O and LNB power supplies

Alarm/Receiving Attention Units

DDA76 12-channel unit with serial I/F
DDA48 10-channel d.c. powered unit

IF Level Monitor/alarm unit

DDA241 8-channel with network and serial I/F

Waveguide Switch Control

DDA235 Single switch, summary alarm, serial control
DDA251 Single switch, serial control

Redundant Serial Link Management

DDA209 Dial-in serial override

Protocol Emulations/conversions

DDA217 Asynchronous serial Protocol converter
DDA227 Sync/async serial and network protocol converter
DDA259 Asynchronous serial Protocol converter

Interface Converters

DDA225 RS-232 to RS-422/485 converter/monitor