Polycom Vortex EF2280 Applications

BUILDING YOUR SYSTEM WITH MULTIPLE VOR-
Vortex
®
Applications and Presets Guide 8 Technical Support: (800) 932-2774
The Vortex does not have to be terminated if you are using a single unit not connected
together with another Vortex.
Figure 3. Connecting and terminating multiple Vortexes.
...
EF Bus Terminator
EF Bus Terminator
Cat-5 cable
Cat-5 cable
Cat-5 cable

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