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Network communication card (allows up to fourteen ECU-8 or ECU-8NT or ECU-4 or ECU-16 to be interlinked – one required per networked ECU-8 or ECU-8NT or ECU-4 or ECU-16). Use only when the addition of a desk controller (ECU-224) to EVC control unit is required

The ECU723 network card allows an ECU-224 desk controller to be connected to an ECU-4, ECU-8 or ECU-16 master controller. The ECU723 also acts as a network card if networking is required. The ECU723 transmits speech via a single wiring loop and digital data via two linear RS485 networks. Max. length of all networks is 1 km.

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• The ECU722 is a network card that is used for expanding the fire telephone or disabled refuge systems of Context Plus. It allows an ECU-224 desk controller to be connected to an ECU-4, ECU-8 or ECU-16 master controller.
• Allows an ECU-224 desk controller to be connected to an ECU-4, ECU-8 or ECU-16 SigTEL master controller to simplify call handling on larger SigTEL applications.
• Mounts inside an ECU-4, ECU-8 or ECU-16 (can also be used to network the ECU-4, ECU-8 or ECU-16 to another controller if required).
• Not compatible with ECU-8NT controllers.
• See schematic/full instructions for further details

Network connection:  The ECU723 transmits speech via a single wiring loop and digital data via two linear RS485 networks. Max. length of all networks is 1 km.
Connections:  Cat 5 patch lead (supplied) connects the ECU723 to a master controller. The ECU-224 desk controller also connects to the ECU723 via a Cat 5 lead.
Product dimensions (mm):  92 W x 108 H x 20 D mm.
Weight:  56g.
Notes:  We recommend two separate cable paths be run with each path containing a single speech and single data cable (which should not be mixed in the same cable). Download main Instruction manual for further details.

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