Ctec Sigtel Disabled Refuge System Network Communication Card ECU723 Apollo Addressable Includes two buttons (CALL and

Includes two buttons (CALL and RESET) and a red/green confidence LED

Fully approved to the latest standards

By using different voltage bands for quiescent and alarm states

Supplies power to and controls a Quantec Addressable Call System

durable grey PVC finish with a non-slip rubber base

Ctec Sigtel Disabled Refuge System Network Communication Card ECU723 Apollo Addressable Includes two buttons (CALL andPart No. ECU723 An optional system expansion device. Allows an ECU 224 desk controller to be connected to an ECU 4, 8 or 16 SigTEL controller to simplify call handling on larger SigTEL applications. Mounts inside an ECU 4, 8 or 16 (can also be used to network the ECU 4, 8 or 16 to another controller if required). Not compatible with ECU 8NT controllers. See schematic full instructions for further details.