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• Using Auto Acceptance, the base station automatically accepts the sub station.
• Using Manual Acceptance, you must manually accept each sub station by
enabling the Accept Status field (in "1.2.3.1.4 ADP Substation Configuration" on
page 81) for that Sub Station Number.
Disabling ADP
When configuring the base station, you may choose to disable ADP , which can result in
reduced overhead. If you disable ADP , you must manually assign the base sub ports for
the sub stations by using 1.2.3.1.3 RF Base Sub Port Configuration, described in detail on
page 80. to enter the Sub-Station Number and IP address information. On the sub station,
you must also manually set up the RF sub ports, entering in the same Sub-Station Number
in "1.2.3.1.2 RF Sub Port Configuration" on page 78.
If ADP is disabled, the ADP polling operation does not apply (see "ADP Discovery Pro-
cess" on this page).
ADP Discovery Process
The discovery process is as follows when ADP is enabled:
• The base station is not yet aware of the sub station, and the sub station is waiting
for an ADP request from the base. The base station sends out a broadcast
request at the broadcast address of 255.
• The sub station replies to the broadcast with its IP address.
• The base station sends another broadcast to assign the station address (Sub-sta-
tion Number). The base station assigns the next available address to the sub sta-
tion. This is the base sub port address for the sub station in the range of 256 to
512.
• The base station can now communicate with the sub station using RF-DLC
frames:
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