FOR-A MFR Series Operation Manuals

39
Ex. 3)
Allows to send the next command when receiving a prompt.
Recognizes and uses “S” responses as tallies (crosspoint states).
Resends the previous command when the timeout period (5 seconds) have elapsed without
reply after sending a command.
Sets the maximum number of continuous resendings, because crosspoints cannot be
changed if they are locked or inhibited to change.
Ex. 4)
Allows to send the next command when receiving a prompt.
Resends the previous command when the timeout period (5 seconds) have elapsed without
reply (echo) after sending a command.
Ex. 5)
Allows to send the next command when receiving a prompt.
 Response Message Evaluation Example:
Response message received
New line?
[CR] or [LF]
Yes No
Prompt?
Is the 1st character of a line Prompt?
Yes No
- Prompts are not added to line buffers.
Add to the line buffer
Processing S Response
Does the line buffer begin with S:?
- Other characters are recognized and used as tally.
- Characters are cleared, if unnecessary.
Processing C Response
Does the line buffer begin with C:?
- Other characters are received as a processed
command.
- Characters are cleared, if unnecessary.
Verifying Echo Reply
Add the rest of characters to the echo buffer,
excluding S and C responses Newline and Prompt.
(The echo buffer is cleared when sending a new
command.)
- Checks that they are identical to the sent command.
- Characters are cleared, if unnecessary.
Clears the line buffer
Waiting the next message.

FOR-A MFR Series Specifications

General

Brand	FOR-A
Model	MFR Series
Category	Switch
Language	English