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Wiring, Connectors, Ac power – Gasboy CFN Series Diagnostic Manual User Manual

Page 71: Rs-232 - data terminal communications port 0, Rs-232 - modem communications port 2

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Site Controller II

03/19/04

3-7

WIRING

All field wiring is made to the unit by plug-in connectors. The AC power for the unit comes from
the AC power plug. The RS-485 communication comes through the modular cable that is
connected to the RS-485 junction box. Communication to the console goes through the RS-485
connector designated for the console. See the CFN SC II Installation Manual for detailed wiring
instructions.

Connectors

AC Power

RS-232 - Data Terminal Communications Port 0

RS-232 - Modem Communications Port 2