About the Radio | 31
Aprisa SR+ User Manual 1.11.1
Peer To Peer Communication Between Remote Radios
With the Aprisa SR+ peer to peer communication is possible between remote radios via the repeater or base-
repeater. It is useful if the SCADA server or base station fails or when in some industries like the water
industry, where a reservoir remote radio might send a direct message to a valve remote radio to close or
open the valve without the intervention of the SCADA server.
To enable communication between remotes connected to a base station, or between remotes connected to
different repeater stations, the Aprisa SR+ has a special operating mode for peer to peer communication:
1.
The SuperVisor > Terminal > Operating Mode > Terminal operating mode must be set t
o ‘Base
-
Repeater’. Base
-Repeater operating mode does not change the Network Radius parameter as the
base-repeater is considered to be like a regular base station.
2. IP Header Compression must be disabled on all radios (base, repeater, remotes) for this feature to
operate correctly (s
ee ‘
3.
The Network Repeaters Proximity must be set to ‘Base Repeater’ on all remote radios for this feature
to operate correctly (s
ee ‘
4.
Note: In ‘Router Mode’ setup a static route for any required peer to peer path.
If communication is required between remotes connected on the same repeater, implement the steps below.
If Base-Repeater mode is also enabled, this can still be helpful to reduce latency for messages between
remotes on the same repeater.
1. The remote radios participating in peer to peer communication must set the SuperVisor > Radio >
Channel Setup > Packet Filtering to Disable. This means that when this remote receives a packet
from another remote, it is processed and not discarded.
2. The repeater radio participating in peer to peer communication must also set the SuperVisor > Radio
> Channel Setup > Packet Filtering to Disable. This ensures that this repeater will guarantee packets
repeater from a remote will get delivered to all other remotes connected to it.
Содержание Aprisa SR+
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