Polycom Vortex EF2280 Reference Manual

INSTALLATION
VORTEX EF2280 Reference Manual 12 Technical Support: 800.765.9266
Typical EF2280
Connections
The EF2280 will typically be connected to other equipment in a single room
setup as shown below in Figure 5 and Figure 6.
Figure 5. Block diagram of typical EF2280 connections: a single room using one EF2280.
Figure 6. Typical EF2280 connections.
Vortex
®
EF2280
In 1
In 2
In 3
In 4
In 5
In 6
In 7
In 8
Out 1
Out 2
Out 3
Out 4
Out 5
Out 6
Out 7
Out 8
In A
In B
Out A
Out B
In D
Out C
Out D
In C
EF2201
Video
CODEC
Line In Line Out
PSTN
EF Bus
6
RS-232 PIN 2: TXD, PIN 3: RXD, PIN 5: GROUND, PIN 7: CTS, PIN 8: RTS
OUTPUT
INPUT
REMOTE CONTROL
EF BUS OUT
EF BUS IN
+5, +/-15 VDC
RS-232
1
MIC/LINE INPUTS
2 3 4 5
LINE INPUTS
7 8 A B C D
21 3 4 5
LINE OUTPUTS
6 7 B8 A C D
ORTEX V
EF2280
. . .
8 microphones
PSTN
Vortex® EF2201 (Optional)
Polycom Video Codec
4-wire Connection
Room Amplifier
Vortex
®
EF2280
Audio
Amplifier
POLYCOM CODEC
TX RX

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