Polycom Vortex EF2280 Reference Manual

LCD MENU STRUCTURE
© Polycom, Inc. 21 VORTEX EF2280 Reference Manual
S YSTEM M ENU
The SYSTEM menu contains POWER ON PRESET, ACKNOWLEDGEMENT MODE, BUS
R
EFERENCE, ERROR MESSAGES, FRONT PANEL LOCK, FRONT PANEL PASSWORD, DEVICE
ID, B
AUD RATE, FLOW CONTROL, LCD CONTRAST, METER, NON-VOLATILE MEMORY
L
OCK, NON-VOLATILE MEMORY PASSWORD, SCREEN SAVER, SOFTWARE VERSION, and
R
EBOOT EF2280 configurations.
Power On Preset. Choose the EF2280 Preset for power up.
Acknowledgement Mode. This command controls whether or not
status messages are sent.
EF Bus Reference. This designates which EF2280 device, when multiple
devices are linked together, will put one of their echo canceller references on
the EF bus to be used as the EF bus reference.
Error Messages. Turns error messages On or Off.
Front Panel Lock. Locks or unlocks the front panel. When the front
panel is locked, you can see the parameters but you cannot change them.
The default passcode is aspi (case is important).
Front Panel Passcode. Once the device has been unlocked, the pass-
code may be changed. At the F
RONT PANEL PASSCODE menu, press ENTER and
then enter a passcode and press E
NTER until you reach the end of the screen.
Device ID. Selects the Device ID of the unit.
Baud Rate. Selects baud rate of the RS-232.
Flow Control. Selects flow control between Hardware, None, or Auto.
LCD Contrast. Controls the contrast level of the front panel liquid crystal
display (LCD). Higher numbers result in darker characters on the display,
lower numbers result in lighter characters.
Meter. Selects which signal is displayed on the front panel LED meter.
Non-Volatile Memory Lock. Controls the non-volatile lock feature.
When the non-volatile memory is locked, you can query the settings but will
get an error if you try to change them.
Non-Volatile Memory Password. This feature sets or queries the
non-volatile lock password. This password is used in conjunction with N
ON-
V
OLATILE MEMORY LOCK. The default password is aspi (case is important).
Screen Saver. Enables or disables the screen saver on the LCD panel.
You can also set the idle time.
Last Restored Preset. Displays the last restored Preset.
Software Version. Queries the software version.
Reboot EF2280. Performs a software reboot of the Vortex product.
Figure 10. EF2280
System submenu
System
Power On Preset
Bus Reference
Error Messages
Acknowledgement
Mode
Front Panel Password
Device ID
Front Panel Lock
Meter
Non-Volatile
Memory Lock
LCD Contrast
Screen Saver
Software Version
Non-Volatile Mem
Password
Reboot Vortex
Baud Rate
Flow Control
Last Restored Preset

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