PROCEDURES | RS232 MODEM SUPPORT |
4.To set a limit for channel 1 and to have the power meter autodial a remote computer when this limit fails, send the following sequence:
LLIM
MODLIM ON
MODPH <phone number>
MODRED 3
MODDEL 2
Sets low limit on channel 1 to
Set delay between each attempt to dial to 2 min.
5. Disconnect from power meter and wait for limit failure:
!BYE | Instruct power meter to |
Wait at least 1 second.
+++
wait at least another second.
The local modem will now respond:
OK\n\r
The local modem can now be told to hang up using the command:
ATH0\r
Again the local modem will respond
OK\n\r
6.When a limits failure occurs, the power meter will instruct its modem to dial the previously set up phone number. As the connection is being established through to the remote computer, a sequence of status messages will be reported by the modem to the computer, ending with a final message of:
CONNECT\n\r
There might be additional information after “CONNECT” but before the line termi- nation characters.
7.After connection has been established, the power meter will send an SRQ to the remote computer. The SRQ message is:
S\n
To determine what has caused the SRQ, the status register in the power meter must be read. The status register in the meter is an
ML2430A OM | |
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