8
Table 2 LED
indicator description
Symbol
Definition
Status
Description
PWR
Power supply indicators
ON
Power is supplied to the unit
OFF
No power is supplied to the unit
ETH
Network fault indicators
ON
TCP gateway communication error
OFF
TCP gateway
communication normal
CO1
Series port 1sending
& receiving indicator
Flashing
Series port 1 is sending &
receiving data
ON
Series port 1 is not sending &
receiving data
CO2
Series port 2sending
& receiving indicator
Flashing
Series port 2 is sending &
receiving data
ON
Series port 2 is not sending &
receiving data
CO3
Series port 3sending
& receiving indicator
Flashing
Series port 3 is sending &
receiving data
ON
Series port 3 is not sending &
receiving data
CO4
Series port 4sending
& receiving indicator
Flashing
Series port 4 is sending &
receiving data
ON
Series port 4 is not sending &
receiving data
Note: * ——In normal communication, the status of the ODOT-S4E2 gateway indicator
2.3 Terminal definition
1. The equipment wiring adopts 16Pin 3.81mm pitch plug-in terminal. The terminal definition of
RS485/RS232/RS422 interface is shown in "Table 3".