Connector provides wireless access
An
eDevice product story
Edited by the Engineeringtalk editorial team
Sep 20, 2007
The BridgeD130 allows devices previously connected to the wired phone network to benefit from the flexibility, the mobility and the service rates of the GSM/GPRS networks.
The eDevice BridgeD130 is a PSTN-to-GPRS convertor that connects wired modems to wireless networks.
This plug-and-play gateway does not require any changes on the equipment to be connected, creating an opportunity for wireless carriers in the machine-to-machine (M2M) field.
It can be fitted to alarm security systems, industrial machines for recording and/or transmitting data, remote terminal units for monitoring energy networks, machines at points-of-sale or ATMs and wireless telemetry equipment.
Devices previously connected to the wired phone network can benefit from the flexibility, the mobility and the service rates of the GSM/GPRS networks.
This solution saves the cost of an expensive, or even unavailable, GPRS upgrade of the existing device, extending the lifetime of expensive technology.
The data previously transferred over the modem link is automatically transmitted over IP frames on the GPRS cellular network.
The BridgeD130 can also run a customised embedded application to process and analyse the data before relaying it over the GPRS network.
Migrating to GPRS dramatically simplifies the installation stage and the billing process and enables convenient incoming call support.
This migration also improves central servers architectures where modem racks are replaced by high-bandwidth internet links.
Wireless carriers can easily conquer market share previously reserved for landline connectivity.
Handset-like business models with monthly fee can be successfully applied by cellular carriers for device connectivity.
The FFC-mandated Sunset Clause will no longer require wireless carriers to support their analogue networks (such as AMPS) after February 2008.
Therein, the BridgeD130 also enables a seamless migration of devices previously connected to an AMPS through an RJ11 interface.
The BridgeD130 solution has been engineered to suppress the need for wired subscription without requiring any changes on both the device and the central server side.
Users simply unplug the phone jack from the wall socket and plug it into the BridgeD130 Phone Network Emulation input socket.
An eDevice software component can be installed on the remote central server to add TCP/IP support.
The devices usually connected to the PSTN/POTS network can connect to the BridgeD130 as it emulates the analogue phone network with an FXS interface (Foreign eXchange Station).
The BridgeD130 not only generates rings, dial tone, and power, but also extracts the data from the modem flow to transfer it over the GPRS link.
This M2M terminal is based on the eDevice TCP/IP stack, including a web server and remote firmware upgrade support.
The BridgeD130 integrates a quad-band GSM/GPRS module and can be battery powered.
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