ZHC4931Manual
Public
Chengdu Zongheng Intelligent Control Co., Ltd
40
www.iotrouter.com
3.8.12.
Status Indicator
CHART21 Status Indicator
NAME FUNCTION
STATE
Description
POW
Power Indicator
ALWAYS ON
POWERED ON
ALWAYS OFF
POWERED OFF
WORK
System working
status indicator
ALWAYS OFF
Network module is not
activated
2000ms OFF/300ms ON/300ms
OFF/300ms ON
SIM card Wrong
2000ms OFF/100ms ON/100ms
OFF/100ms ON/100ms OFF/100ms ON
GPS turned on error,
please confirm product
model
1800ms OFF/200ms ON
Searching network
200ms OFF/1800ms ON
Acting the network
300ms ON/300ms OFF
Establishing TCP
connection
600ms ON/200ms OFF
Initialize socket
2000ms OFF/100ms ON
Normal
NET
Network
connection
indicator /
Network data
receiving indicator
ALWAYS ON
Network data link
established
ALWAYS OFF
Network data link is not
established
200ms OFF
Received network data
DATA
Network data
sending indicator
ALWAYS ON
Power on normally
ALWAYS OFF
Power on abnormally
200ms OFF
Sending data to the
network
T
Serial data sending
indicator
ALWAYS OFF
serial port is not sending
data
ON
serial port is sending data
R
Serial data
receiving indicator
ALWAYS OFF
No data received through
serial port
ON
Serial port is receiving
data
DO1~4
Relay output status
indicator
ON
COM communicates with
NC
OFF
COM communicates with
NO