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Echelon Keyboard

Switches & ledís :

From right to left, seen from the back of the keybord, youíll find :

  • A push-button switch : SERVICE-switch. This transmits the ID-number of the node.
  • A yellow led : SERVICE-led. Lights up when you push the service-switch. When this led flashes or is lit continuously, a severe software problem occured in the node. ( call us )
  • A red led : TRANSMIT-led
  • A second red led : RECEIVE-led

Connection :

The 6-way connector.

pin 1+12V (input)
pin 2GND
pin 3NC
pin 4Network A
pin 5Earth ( shielding )
pin 6Network B

The 12V can be obtained from nodes with these outputs, such as Universal node, or an external transfo can be used

The Sub-D 9-way connector Connection for a serial printer (RS232) Settings 4800 N 8 1

DB9DB25 printer
pin 1 NC
pin 2 TXpin 3 RX
pin 3 RXpin 2 TX
pin 4 NC
pin 5 GNDpin 7 GND
pin 6 NC
pin 7 NC
pin 8 NC
pin 9 NC
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Page last modified on April 11, 2008, at 08:54 AM