Afar AR24027, Руководство оператора

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AR24027 Operator’s Manual
2-1
2 THEORY OF OPERATION
2.1 Network Topologies
2.1.1 Firmware builds
You may use the AR24027 to deploy a wireless network in various topologies, including Point-to-
Point (PtP), Point-to-Multi-Point (PmP) and also a Linear Network topology. The radio non-volatile
memory can hold various programs at any given time but only one program can be running at a time
(use the >
directory command to view all the files loaded into the radio memory). The different
software programs are identified in the table below. The filename itself identifies the version of the
software. The file PMP04_XX for example, is version 4.XX of the Point to Multipoint software (in
the actual filename the XX is replaced with digits 0 through 9).
Topology File Name
Point to Multi-Point PMP04_XX
Linear Network LNW04_XX
This Manual covers the Point-to-Point and Point-to-Multi-Point operation. A separate Manual covers
the Linear Network topology.
Prior to version 4.00 of the firmware there was a separate firmware built for deploying of a Point-to-
Point link (P2P03_XX). With version 4.00 and later you deploy a point-to-point link using the PmP
firmware with the configuration optimized for point-to-point.
2.1.2 Point to Multipoint topology
In a Point to Multi-Point topology one radio is designated as the hub (or basestation), and all other
radios are designated as remotes . The hub radio must communicate with all of the remotes, therefore
it is typically deployed with an omnidirectional or a sectorial antenna. The remote radios only
communicate with the hub radio, therefore they are typically deployed with a directional antenna
pointing at the hub.
A hub radio can support up to 32 remote radios. If your network grows beyond that limit the
PULSAR network technology built into the radios allows you to easily add more hub radios that co-
exist without generating self-interference.
There is no difference in the hardware between a hub and a remote device. However, you may need
to obtain a key from the factory to enable a radio to operate in hub mode.