
FIRMWARE DESCRIPTION
Data Mode
22
2.10
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19.01.2007
3.3.3 Point to Multipoint Networking Operation
These option are based upon CLDPS radio protocol. Typically, a set of HW 86012/22
modules (configured as PT) is used, operating to a wireles infrastructure consisting of HW
8614 Ethernet base stations connected to an Ethernet based loca area network (LAN).
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TCP/IP
The module‘s interface works transparently. The serial data stream is transferred through
a TCP socket connection over CLDPS lower layer protocol. TCP socket can be
terminated by any destination in the LAN or WAN. A protocol implementation is not
required on the host application. This mode uses the module’s TCP/IP stack.
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SWAP
The module‘s interface works transparently. The serial data stream is transferred through
a SWAP connection to a specific server in the LAN running Höft & Wessel SWAP service.
The module operates as SWAP client. User data are directly transferred, no protocol
implementation is required. The module’s SWAP stack is used.
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PPP
The module’s interface works in PPP mode. The module integrates a PPP server to
which the host system‘s PPP client connects. Once established, the PPP link carries
TCP/IP traffic over CLDPS to the base station connected to the Ethernet LAN. The host
application requires to run its own TCP/IP stack. This is similar to a modem dial-up
network.
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Serial Bus Protocol
The module’s interface uses serial bus protocol, i.e. raw Ethernet frames that are carried
by the CLDPS radio protocol are transferred through the RS-232 interface. The
application must implement any higher layer protocols. Refer to section 5.3 for details.