OnCell G3100 Series Introducing Serial Port Operation Modes
Ethernet Modem Mode
Ethernet Modem mode is designed for use with legacy operating systems, such as MS-DOS, that do not support
TCP/IP networks. By connecting a properly configured OnCell G3100 serial port to the MS-DOS computer’s
serial port, it is possible to use legacy software to transmit data over the cellular network, even if the software
was originally designed to transmit data through a modem. In this case, the AT commands are converted into
IP format.
SMS Tunnel Mode
A major benefit of GSM technology is that it supports short messages (SMS) for easy communication over the
mobile network. Moxa’s proprietary SMS Tunnel Mode allows you to expand your applications and reduce cost.
For example, SMS Tunnel Mode can be used to update the message on a highway display panel, place refill
orders for vending machines, handle maintenance for remote rental equipment, or even help create an SMS
alarm by directly transforming text, binary, or unicode data from a legacy device to short messages. SMS
Tunnel Mode is particularly suitable for devices that communicate infrequently, or lack access to the local
network. SMS Tunnel Mode converts ASCII, binary code, and UCS2 data to short messages transparently (both
back and forth). In addition, the caller ID (phone number) identification can be used to block messages sent
from uncertified users, broadcast messages, and unwanted SMS advertisements.
Moxa’s proprietary SMS Tunnel Mode has the following features:
1. Transparently converts serial data to short message, and vice versa.
2. Text, binary, and Unicode formats are supported.
3. Verification of Incoming Caller ID calls is implemented to block uncertified users.
Disabled Mode
You can disable any port on the OnCell G3100 by setting the operation mode to Disabled.
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