20 Multi-role Recorders User Guide (HW/BK/0034 | 12 Oct. 2021)
3
Local control using the front panel
Before you can control the multi-role recorder locally using the front panel START/STOP switch and EVENT
button, you must set
controlMethod
to local (0).
At any time, move the START/STOP switch to the START position to record, or move it to the STOP position to
stop recording.
When the START/STOP switch is moved to the START position, Ethernet packets received at the Ethernet port are
written to the current open PCAP file.
Recording data with wraparound
By default, a multi-role recorder stops recording when the media is full, however some multi-role recorders support
wraparound functionality, which allows recording to loop to the start of the recording storage media overwriting the
oldest file.
If supported by the multi-role recorder, wraparound can be enabled or disabled using SNMP. See
.
You can identify whether wraparound is enabled or disabled by navigating the front panel display (see
current configuration” on page 16
) or by using SNMP to query the wraparound variable.
Recording data with wraparound disabled
With wraparound disabled, when the media is full, recording stops automatically and the ERROR LED lights. To
continue recording, the media must be replaced with formatted media, or the current media must be formatted (see
“Formatting memory media using a multi-role recorder” on page 18
).
1.
Insert the media into the multi-role recorder.
If the display shows
Stopped
, go to step 2.
If the display shows
Not Empty, Use?
, press the
EVENT
button, then go to step 2.
2.
Move the
START/STOP
switch to the
START
position.
Recording begins and the green LOGGING LED lights.
The remaining time is shown in the display.
3.
Press the
EVENT
button anytime while recording to place a bookmark.
4.
To stop recording, move the
START/STOP
switch to the
STOP
position.
Recording data with wraparound enabled
With wraparound enabled, recording does not stop when the media is full. Rather, the recording process wraps
around or loops to the start of the memory media overwriting the oldest file. When wraparound is enabled the
display shows
Loop
.
1.
Insert the media into the multi-role recorder.
If the display shows
Stopped
, go to step 2.
If the display shows
Not Empty, Use?
, press the
EVENT
button, then go to step 2.
2.
Move the
START/STOP
switch to the
START
position.
Recording begins and the green LOGGING LED lights.
The display shows
Loop
indicating that when the media is full, the oldest file is deleted.
May/28 09:36:42
N000 Hours 2
May/28 09:36:42
N000 Loop
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