Udp Notes; General Notes - Planar Wallnet Setup & Operation

UDP Notes

UDP Notes
• Because UDP is connectionless by nature,
• If WallNet receives an empty line (no
• The UDP method can have an advantage over

General Notes

• If WallNet relays a command to the wall, but
• If for any reason WallNet is unable to open its
72
as in: "telnet 192.168.12.12 57", where
192.168.12.12 is the IP address of the WallNet.
Once connected, press [Enter] to see the "#
Clarity ASCII protocol server ready (TCP).\r\n"
message from WallNet, or type in any display
ASCII command (e.g. "OP--PATTERN?") to do
simple interactive tests.
more than one simultaneous client
application can be supported using UDP
datagrams.
command text, followed by a CR or LF), it
responds with "# Clarity ASCII protocol server
ready (UDP).\r\n".
TCP, since there is no connection to maintain,
and multiple applications can interact with
the wall instead of one application tying up
the one TCP supported connection.
receives no characters in response, it answers
"# ERR no RS232 reply\r\n". This may not be
an error at all, but is the normal condition
when the command sent to the wall contains
wildcard address characters, such as
"OP**PATTERN=NONE". The client
application should be aware of this and
handle (or ignore) it gracefully.
serial port, it sends "# ERR unable to open
serial port.\r\n" in response to any command
sent by the client application.