AN1804-4G Intercom
Revision ARB2.8, Apr. 2020
19
User commands to check system info & control relay via SMS
No.
Function
Command
Reply
1
check signal strength
*20#
Signal Level 0~31 from poor to best
Service provide name, network
2
Check stored numbers
*21#
O [ number]…,I [ number]…..E (N)
O
：
call button numbers list
I
：
dial in to open numbers list
E
：
End
N
：
Next SMS
3
Check relay status
*22#
Relay [ status],Detect [ status ]
Status: ON / OFF
4
Modify the SMS content of
Detect PIN triggered
*26 [ password ] # [SMS Content]
Reply [SMS Content]
5
Trigger relay
*33* [ password ] #
No reply (default password:5678)
(Latch on when relay is on hold status)
6
Hold relay
*34* [ password ] #
No reply
(default password:5678)
7
Release relay
*35* [ password ] #
No reply
(default password:5678)
8
Trigger relay 2
*36* [ password ] #
No reply (default :5678)
(Latch on when relay is on hold status)
9
Hold relay 2
*37* [ password ] #
No reply (default :5678)
10
Release relay 2
*38* [ password ] #
No reply (default :5678)
●
SMS data error
(Only 0~9
、
*
、
# are available)
SMS Data Error
●
Function code error
Function Code Error
