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User Manual
Xiamen Four-Faith Communication Technology Co.,Ltd.
Page 24 of 48
Add
:
J1-J3,3
rd
Floor,No.44,GuanRiRoad,SoftWare Park,XiaMen .361008.China
http
:
//www.fourfaith.com Tel
:
+86 592-6300326 6300325 6300324 Fax
:
+86 592-5912735
0 --- No
1 ---Yes
This item is only valid when you set “Data Center Number” as 1. In this mode, IP MODEM
will switch to backup center when main center have problems. If this item is set to 1 , IP MODEM
will check whether the main center work fine timely. When it detects the main server work fine, it
will return back to the main server at once.
AT Command:
AT+RETMAIN=x
x : 0 or 1
◆
Device ID
The identity number of IP MODEM, the value should be 8 bytes hex-decimal characters.
AT Command:
AT+IDNT=aabbccdd
aabbccdd: the identity number of IP MODEM
◆
SIM Card No
The phone number of the SIM card .
AT Command:
AT+PHON=xxxxxxxxxx
xxxxxxxxxxx: the SIM card phone number
◆
Bytes Interval
The time interval used to determine whether the serial data frame transmission has completed,