Polycom Vortex EF2211 User Manual

This command sets or queries the amount of time (in milliseconds) between each new screen of the
LCD screen saver.
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 500 and 600000, 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
S01SSDELAY2000
Set screen saver delay to 2
seconds (2000 ms).
S01SSDELAY2000
S01SSDELAY>500
Increase screen saver delay by
0.5 seconds (500 ms).
S01SSDELAYx , where x is the new value of
the screen saver delay. If this command was
issued after the example above, then the
status message would be S01SSDELAY2500 .
S01SSDELAY?
Query screen saver delay.
S01SSDELAYx , where x is the new value of
the screen saver delay. If this command was
issued after the example above, then the
status message would be S01SSDELAY2500 .
8.147. SSEN -- Enable or Disable Screen Saver
This command controls whether or not the LCD screen saver is enabled.
This command is a boolean command. See
Section 6.1 for more information on this type of command.
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
S01SSEN1
Enable screen saver.
S01SSEN1
S01SSEN0
Disable screen saver.
S01SSEN0
S01SSEN2
Toggle screen saver enabled state.
S01SSENx , where x is 0 or 1 depending on the
current enabled state of the scrren saver.
S01SSEN?
Query screen saver enabled state.
S01SSENx , where x is 0 or 1 depending on the
current enabled state of the scrren saver.
8.148. SSSTART -- Set Idle Time Required for Screen Saver
to Start

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