SMP Gateway User Manual • 217
Setting Description
Type The communications protocol supported by the modem pool. The
default value – automatic – means that the supported protocol will be
determined automatically.
Allowed values: Automatic
IEC 60870-5-101
DNP
Default value: Automatic
Dispatcher Address Size The size of the DEVICE ADDRESS, in bytes. This setting is taken into
account when a frame is sent or received, since it affects the size of the
frame.
Range: 1 to 8
Default value: 1
Dispatcher Response
Timeout
This setting specifies how much time the dispatcher will wait for the
reception of a response to a request.
Range: 0 to 60,000 ms
Default value: 10,000 ms
Dispatcher Interchar Delay This setting specifies the maximum time allowed between 2 received
bytes of a frame, for the frame to be considered valid.
Range: 0 to 10,000 ms
Default value: 250 ms
Dispatcher Recover
Timeout
This setting specifies how much time the dispatcher will wait after a
failure (invalid frame format, etc.), before retrying.
Range: 0 to 10,000 ms
Default value: 1,000 ms
Dispatcher Max Request
Retry
This setting specifies how many times the dispatcher will try to identify
the device.
Range: 0 to 20
Default value: 3
23.3 Adding a modem to a modem pool
To add a modem to a modem pool:
In the left pane, click Serial Ports, then on Modems.