Table C-1: CPU Module labeling and LED functions (continued)
RX RX signal (Port A for RS485 or
RS232) communication)
receiving data
Flashing green (when receiving
data)
TX TX signal (Port A for RS485; 2-
wire or 4-wire) or RS232
communication) transmitting
data
Flashing green (when
transmitting data)
LINK ETH1Link user Ethernet
connection
Solid green
Optional RS-232 Module wiring
Use the table in MISSING LINK HERE to wire the Optional RS-232 module.
Figure C-3: Optional RS--232 Module wiring
Optional RS-485 Module wiring
Use the table in MISSING LINK HERE to wire the Optional RS-485 module.
3410 Communication and Output settings Upgrade kit instructions
July 2019 P/N 3-9000-784
78 3410 Series Electronics Upgrade kit instructions
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