Polycom Vortex EF2211 User Manual

This command is an integer command. See Section 6.2 for more information on this type of
command. The minimum and maximum values for this command are -20 and 20, respectively.
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
S01GAIND6
Set incoming DTMF gain to 6 dB.
S01GAIND6
S01GAIND>3
Increase incoming DTMF gain by 3 dB.
S01GAINDx , where x is the new value of the
incoming DTMF gain. If this command was
issued after the example above, then the
status message would be S01GAIND9 .
S01GAIND?
Query incoming DTMF gain.
S01GAINDx , where x is the new value of the
incoming DTMF gain. If this command was
issued after the example above, then the
status message would be S01GAIND9 .
8.55. GAINDIT -- Set Gain of Incoming DTMF Tones
This command sets the gain of the incoming DTMF tones. The gain of the outgoing DTMF depends on
the country that the Vortex is configured for (see the
COUNTRY) command.
This command is an integer command. See
Section 6.2 for more information on this type of
command. The minimum and maximum values for this command are -20 and 20, respectively.
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
S01GAINDIT6
Set incoming DTMF tone gain to 6 dB.
S01GAINDIT6
S01GAINDIT>3
Increase incoming DTMF tone gain by
3 dB.
S01GAINDITx , where x is the new value
of the incoming DTMF tone gain. If this
command was issued after the example
above, then the status message would be
S01GAINDIT9 .
S01GAINDIT?
Query incoming DTMF tone gain.
S01GAINDITx , where x is the new value
of the incoming DTMF tone gain. If this
command was issued after the example
above, then the status message would be
S01GAINDIT9 .
8.56. GAINDT -- Set Dial Tone Gain

Polycom Vortex EF2211 Specifications

Power

input voltage	110-240 VAC
frequency	47-63 Hz
power consumption	25 W
phantom power	24 V

Connectors

RS-232	DB9F
EF Bus In/Out	RJ45
Telephone Line/Set	RJ11
Control/Status	DB25F
Audio	3.5mm quick connect terminal blocks

Audio Specifications

microphone input	-30 dBu to +0 dBu
line inputs	-20 dBu to +0 dBu
line outputs	-20 dBu to +0 dBu
loudspeaker output	10 W, 4-16 Ohms
input impedance	10 k Ohms
output impedance	50 Ohms
headroom	20 dB
signal to noise ratio	85 dB
frequency response	20 Hz - 22 kHz

Echo and Noise Cancellation

total cancellation	65 dB
convergence rate	40 dB/second
noise cancellation	0-15 dB
echo cancellation	40 dB, total >65 dB
convergence	30 dB/second
cancellation span	32 ms
acoustic echo cancellation span	270 ms

Operating Environment

operating temperature	0 °C - 40 °C
status outputs	5 V, 20 mA each

Weight and Dimensions

width	483 mm
length	244 mm
height	45 mm
weight	1.8 kg
shipping weight	2.5 kg