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MDR-2000
VJ
User's Reference Manual
Communications
DB
- The
'Door
Bell' command causes an immediate
'HE'
response, followed by a Carriage
Return/Linefeed pair, from the MDR-2000. It is used to ensure that the MDR-2000 is active and
waiting for commands. This command also cancels an active
'DU'
command and issues a
'CA'
command to cause collection
of
both CDR and Image data.
DU - The 'DUmp' command causes all data received on the PBX port to be immediately output
over the modem port. Data continues to be collected normally. The data dumped over the modem
port is unedited. When the Interactive Monitor
is
activated this command is canceled. There
is
no
reply from the MDR-2000 to this command. Note that execution
of
the
'IM',
'SD',
'FD'
or
'DB'
commands causes cancellation
of
the dump.
FD
- The 'Formatted Dump' command causes the MDR-2000 to output formatted CDR records
automatically over the modem port
as
they are processed. These records are in exactly the same
format as those output by the
'XT'
command including the protocol information. This cominand is
useful for 'trickle transmit' applications where the MDR-2000 will be on-line at all times. Note
that execution
of
the
'IM',
'SD',
'DU'
or
'DB'
commands causes cancellation
of
the formatted
dump.
ID
- The 'IDentification' command outputs several lines
of
text containing information about the
MDR-2000 including the PBX generic supported, software revision, serial number, and copyright
notice.
No
protocol is used with this output.
IM
- The 'Interactive Monitor' command invokes the Interactive Monitor,
if
present. When
invoked, an active
'DU'
command
is
canceled. Data collection proceeds as usual. Any other
computer-to-computer command, preceded by the requisite SYN character, will cause the Interac-
tive Monitor to exit.
MR
- The 'Master Reset' command is used to reset the entire MDR-2000 system. This command
causes an immediate hardware reset with the loss
of
all data. There
is
no reply from the MDR-2000
to this command.
OK
- The
'OK'
command is used to advance the buffer pointer to the next logical record in the
currently selected data storage buffer. There is no reply from the MDR-2000 to this command. Its
successful reception by the MDR-2000 can be tested by transmitting a data record and comparing it
to
the previously transmitted record.
If
they are the same the
'OK'
command was not received by
the MDR-2000 correctly.
Note:
If
the SET DESCRETE COLLECTION FUNCTIONS option
is
selected and the
'CI'
or
'CC'
commands are in effect then
the
'OK'
command
is destructive. Any records which are
passed over by the
'OK'
command are marked as deleted and cannot be recovered by using a '
BE'
4-3
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