Polycom Vortex EF2280 Reference Manual

CONNECTOR PINOUTS
VORTEX EF2280 Reference Manual 58 Technical Support: 800.765.9266
C ONNECTOR P INOUTS
EF Bus
The EF Bus uses RJ45 connectors. These should
be used with category five twisted-pair cable.
The total distance of the EF Bus should be less
than 4.5 m.
The EF Bus must be connected so that the EF
Bus In of one box is connected to the EF Bus
Out of another. Connecting the EF Bus In to
another EF Bus In (or Out to Out) will not work.
Cat-5 Plug Pinout
1 - White/Orange
2 - Orange
3 - White/Green
4 - Blue
5 - White/Blue
6 - Green
7 - White/Brown
8 - Brown
RS-232 Port (9600, 19200, 38400, 8-N-1)
The RS-232 port is wired as DCE. It accepts a
male DB-9 connector. Only pins 2, 3, and 5 are
required by the EF2280 but pins 7 and 8 are
supported. Connect pins straight through (do
not use null modem).
1 DCD; 2 TXD; 3 RXD 4 DSR; 5 ground; 6 DTR;
7 CTS; 8 RTS; 9 No connection
Baud rate is selectable at 9600, 19200, or
38400.
EF BUS IN
EF BUS OUT
81
81
18
Cat 5 Plug
(Front View)
REMOTE CONTRO
L
REMOTE CONTRO
L
RS-232
15
69

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