User's Manual
Title:
AJ102 Data Concentrator Unit User Manual
Ver.
1.4
Page:
12 of 23
0x0122
Terminal cover is closed
Yes
Firmware
Upgrade
20
0x0301
DCU firmware upgrade successfully
No
Event code,
timestamp
Communica
tion Event
200
0x0503
Local communication connection
happened
No
Event code,
timestamp
0x0505
Remote communication connection
happened
No
0x0502
Error communication key
Yes
Meter Event
200 for
each meter
0x3201
Meter is unreachable for 72 hours
Yes
Event code,
timestamp
0x3202
Meter is reachable
Yes
0x3203
Meter’s clock is over limit (10
minutes)
Yes
0x3204
Meter’s status word error
Yes
-
All types of meter event pushed by
meter
Yes
4.10 LED Indicators
DCU has seven LED to indicate the working status.
No.
LED
Status
Description
1
RF
ON
RF module failure
BLINK
Communication with RF repeater is ongoing
OFF
No RF communication
2
RS-485
ON
Indicate RS-485 communication port fail
BLINK
Communication with RS485 meter is ongoing
OFF
No RS-485 communication
3
Res.
-
Reserved
4
WLNK
ON
DCU has connected to HES
BLINK
Communication with HES is ongoing
OFF
No connection to HES
5
WCSQ
ON
3G signal quality is good
BLINK
3G signal quality is weak
OFF
3G signal quality is poor or the channel is not 3G
6
ALARM
ON
Alarm (3G module failure, RF module failure, optical port
failure, RS-485 port failure, main cover clock invalid) is
detected in DCU
OFF
No alarm
7
PWR.
ON
Always on when power supply is ok