2.2 Indicator light description
The equipment has five LED status indicator lights, whose symbol definition and status
description are shown in "Table 2.1".
Table 2.1 Description of indicator light
Caution
：
*——During normal communication, the status of the ODOT-S2E2 gateway
indicator
2.3 Terminal definition
The equipment connection adopts 3 Pin and
16Pin 3.81mm
distance unplugging
terminal. The RS485 interface terminal is defined as follows.
RS485 terminal definition
Symbol
Definition
State
Instruction
PWR
Power Light on/off
ON
Power on
OFF
Power off
ETH
Gateway status indication
ON
TCP gateway communication
error
OFF
TCP gateway communication
normal
TX1
Serial port no.1 send
indicator light
ON
Serial port no.1 data is being
sent.
OFF
Serial port no.1 sends no data.
RX1
Serial port no.1 receiving
indicator light
ON
Serial port no.1 data is being
received.
OFF
Serial port no.1 receives no
data.
TX2
Serial port no.2 sending
indicator light
ON
Serial port no.2 has data being
sent.
OFF
Serial port no.2 no data sent.
RX2
Serial port no.2 receiving
indicator light
ON
Serial port no.2 has data being
received.
OFF
Serial port no.2 receives no
data.
serial
Terminal
Definition