EverFocus EDSR100H Manual de Serviço descarregar pdf (Página 7)

EKB500_ma_en_rev1.04 7

6. KEYBOARD CONNECTORS

RS-485 ports

EKB-500 provides two independent RS-485 ports with 2 RJ-45 plugs each (loop-through).

Pin assignment:

Pin 1: 12 VDC

Pin 3: RS-485 +

Pin 6: RS-485 -

Pin 7: Ground

Pin assignment RJ-45 connector

connector box

Delivery comprises a connector box for RS-485 and 12 VDC power supply connection enabling power

supply connection either directly to the EKB 500 keyboard or through the connector box.

RS-232 connector

The 9-pin Sub-D connector is used for service purposes, e.g. keyboard update with new firmware.

POWER CONNECTOR

Use the 5,5 mm socket for connecting the 12 VDC power supply. The power supply may be installed

either through this socket or through the included connector box.

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EverFocus EDSR100H Manual de Serviço Página 7