C-Tec ECU723 SigTEL InterfaceNetwork Communication Card
C-Tec ECU723 SigTEL InterfaceNetwork Communication CardECU-224 interfacenetwork card. Allows an ECU-224 desk controller to be connected to an ECU-4 8 or 16. Can also act as a network card if networking is required. NOT compatible with ECU-8NT Controllers.The ECU723 transmits speech via a single wiring loop and digital data via two linear RS485 networks. The network should be connected using 4 x 2-core 1.5 mm2 enhanced fire-rated cable. Max. length of all networks is 1 km.An optional system expansion device.Allows anECU-224 desk controller to be connected to an ECU-4 8or16 SigTEL controller to simplify call handling on larger SigTEL applications.Mounts inside an ECU-4 8 or 16 can alsobe used tonetworkthe ECU-4 8 or 16 to another controller if required.Not compatible with ECU-8NT controllers.See schematicfull instructions for further details