
D120 DTU Modem Quick Start
E-Lins Technology Co.,Limited
Add:Bld22, Longxi Garden, Nonglin Road, Futian, Shenzhen, 518000, China
CONTENTS
PROLOGUE·············································································································································· 3
VERSION ············································································································································3
NOTICE ··············································································································································3
GETTING STARTED······························································································································· 4
CONNECT TO PRODUCTS ·····················································································································4
INSERT SIM CARD······························································································································4
NOTE: HYPER TERMINAL····················································································································5
TEST AT COMMAND····························································································································9
CONFIGURE DTU MODEM BY PC ···································································································11
TCP CLIENT·····································································································································11
SerialNet Mode ········································································································ 11
SerialNet Mode with trigger up················································································· 11
Socket mode············································································································ 12
UDP CONNECT·································································································································12
SerialNet Mode ········································································································ 12
SerialNet Mode with Trigger Up ··············································································· 13
Socket Mode············································································································ 13
DTU POINT TO POINT CONNECTING MODE·······················································································13
TCP Server ·············································································································· 14
UDP Server·············································································································· 14
COMMON FUNCTION························································································································· 15
PING FUNCTION································································································································15
Common China Unicom DNS ·················································································· 15
HOW TO CHANGE BAUD RATE ··········································································································16
Change CDMA Module Baud Rate··········································································· 16
Change TCP/IP Module Baud Rate ·········································································16
The relation with parameter to baud rate ································································· 16
HOW TO SETUP APN OR VPDN········································································································17
Setting APN Configuration ······················································································· 17
Setting VPDN configuration ····················································································· 17
AT+ ITUP FUNCTION ························································································································17
WAT CH DOG·····································································································································18
FLOW MONITOR ·······························································································································19
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