S1901G DTU is one kind of Wireless Data Transmission Unit, which provides
machine to machine wireless data transmission service for private network customer
through GSM/GPRS network, it also can provide data wireless real-time
transmit and collect service for water conservancy, power electrical supply, oil, mine,
environment protection, weather, traffic, duty, medical, policy, education, finical and
custom etc. private field customer.
Self-developed S1901 DTU can provide wireless point–to-point packet exchange and
data transmit, such real-time transmit information, full coverage, convenient monitor
management and good security bring innovation break on management. Whole data
collect procedure no need manual operation, transmission procedure no man-made
disturb, swift record information, max advanced management efficiency.
S1901 G/C DTU
Features
l Based on GPRS
l One serial port RS232/RS485/RS422 to
configure parameter, data transmit
l One RJ11 port to detect DF Module and
voice all test
l One 10/100M Base-T, connect terminal and
Internet, use as Wireless Router
l May select RS232/RS422/RS485 or
10/100M Base-T as requirement
l Transparent data transmission
l Point-to-point application
l Point-to-multi point application
l Wireless Router Modem
l Support VPN/IPsec
l Static / dynamic NAT
l Support always be on line and data awake
two styles Internet
l Support phone ringing awake and SMS
awake two remote awake modes
l No need background PC support
l Can construct leased line for Internet
l Keep heart-connect with data service center
and register service center, in time judge
status
l ResetFWatch dog will re-startup when failed
l User ID certification
l Support version on line upgradeFon line
serial port upgrade, remote TFTP upgrade
l Support on line monitorFserial port, telnet
l Support SMS alarm NMS
l Flexible set heart-connect period, dial wait
etc. timing time
l Easy and flexible usage, save investment;
simple network construct
Techniicall IIndex
l Audio
Support voice call
l GPRS Module
² GPRS Class 2~10
² EncodeFCS1 - CS4
² Comply SMG31bis
² Frequency: 900Mhz/1800Mhz Dual Band
l System
² ProcessorFARM7TDMI
² FLASH: 2M
² SDRAMF8M
l Interface
² AntennaF 50Ù/SMA female
² UIMF 3V
² Serial port
StandardF RS-232/DCE, RS422, RS485
Data rateF 1200~115200bps
InterfaceF DB9
² 10/100BaseT
RateF 10/100BaseT
InterfaceF RJ45
² ConfigureFTelnet or RS232
² AudioFRJ11
l Power
² VoltageF+5VDC/1A
² ConsumptionF3W
l Others
² DimensionsF139×93×28mm
² Unit WeightF400g
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