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Modbus/BSAP Configuration
40 Cingular GPRS Raven User Guide Version 2.01
When you configure IPManager for the host Raven, make note of your modem
name and domain setting in Wireless ACE in the menu selection Dynamic IP to be
used with the remote modems.
FIGURE 6. Wireless ACE: Modem Name and Domain
With names instead of IPs for the Address List, the host Raven will query the DNS
server for the current IP assigned to the specific name of a remote Raven to send a
message coroponding to the ID.
Configuring the Remote Ravens for Modbus with
UDP
You can use either Wireless ACE (page 15 and page 57), direct serial communica-
tion or Telnet (page 58) to configure the modem using AT commands (page 61).
This section covers standard Modbus, variations may need additional commands
(AT Commands:
page 87).
Port
The communications port on the remote Ravens needs to match the host Raven’s
port. If the host Raven’s port is ‘12345’ the remote Raven’s port also needs to be
‘12345’.
In Wireless ACE, select Misc in the side menu. Set the destination port (S53) to
match the device port of the host Raven (*DPORT, above). Make sure the device
port of the remote Raven (*DPORT) matches the destination port of the host
Raven (S53, above).