Polycom Vortex EF2280 User Manual

F01LOEN?
Query automatic logic output status messages.
F01LOENx , where x is 0 or 1 depending on the
current setting of LOEN.
8.77. LOK -- Delete One or All Logic Output Pin Commands
This command "kills" or deletes all commands for a given logic output pin. In other words, the commands
associated with
LOA and LOD will be deleted for the specified logic output. A wildcard character can also be
specified for the logic output pin, in which case the commands for all logic output pins will be deleted.
Using this command is more efficient than deleting one command or pin at a time since this command deletes
them all at once and requires fewer writes to non-volatile memory.
This command is saved to global non-volatile memory and is not part of a preset. Its value is saved each time it
is changed. It will retain its value after power-down. Since this command writes to non-volatile memory, there
will be a delay before an acknowledgment is returned.
Example Description Status Message
F01LOK5
Delete all the commands associated with logic output pin 5. This one command is
equivalent to executing the commands 'F01LOA5, ' and 'F01LOD5, ' except that
this command is more efficient.
F01LOK5
F01LOK*
Delete all the commands associated with all logic output pins. This one command
is equivalent to executing the commands 'F01LOA1, ' and 'F01LOD1, ' for each
logic output, except that this command is much more efficient.
F01LOK*
8.78. LOM -- Mask Logic Output Pins
This command is used to mask (i.e., disable) logic output pins. The mask consists of 20 fields (one for each logic
output) that can each be set to 0 or 1. If the mask bit for a given logic output is set to 1, then the logic output
pin works normally. If the mask bit for a given logic output is set to 0, then the logic output is disabled. When a
a logic output is disabled, it is "frozen" in whatever state it is in when it is disabled. The output pin's state will not
change when the condition that drives it (via
LOA and LOD) changes. However, any changes to that pin caused
by setting the values with an
LO command will affect the output pin value. For instance, you could disable
(mask) a pin and then explicitly set its value to low with the
LO command.
When a logic output pin is re-enabled, it will be updated to the current status of whatever condition drives it (via
(
LOA and LOD).
This command is saved to non-volatile memory only as part of a preset. The state of this command will be
restored after power-up only if a preset is saved and that preset is set to be the power-on preset.
Example Description Status Message
F01LOM10010110111101111111
Mask (disable) logic
outputs 2, 3, 5, 8,
and 13.
F01LOM10010110111101111111
F01LOM?
Query current logic
output mask.
F01LOMabcdefghijklmnopqrst , where a-t are
each 0 or 1 depending on the current state of the
logic output mask.

Polycom Vortex EF2280 Specifications

General

Rack capacity	1U
Frequency range	20 - 20000 Hz
Cancellation span	270 ms
Echo cancellation	65 dB
Phantom power	48 V
Nominal input level	0 dB
Output gain	-100 - 20 dB
Output impedance	33 Ω
Maximum output amplitude	23 dB
RS-232 ports	1
Audio connections	2 x 3.5mm
Parallel ports quantity	2
Input voltage	110 - 240 V
Output current	20 mA
Output voltage	5 V
Input frequency	47/63 Hz
Power consumption (typical)	30 W
Operating temperature (T-T)	0 - 40 °C

Weight and Dimensions

Weight	1800 g
Dimensions (WxDxH)	483 x 244 x 45 mm