Polycom Vortex EF2280 Reference Manual page 10

Figure 5. Block diagram of typical EF2280 connections: a single room using one EF2280.
Vortex ® EF2280
Figure 6. Typical EF2280 connections.
V EF2280 Reference Manual
ORTEX
In 1 Out 1
In 2 Out 2
In 3 Out 3
In 4 Out 4
In 5 Out 5
In 6 Out 6
In 7 Out 7
Video
In 8 Out 8
CODEC
Vortex ®
EF2280
Line In
In A Out A
In B Out B
In C Out C
In D Out D
ASPI Bus Connection for RS-232 Control
8 microphones
. . .
Polycom Video Codec
4-wire Connection
POLYCOM CODEC
8
Line Out From AEC To AEC
From Rem. To Rem.
EF200
Phone
PSTN
PSTN
ASPI BUS
REMOTE CONTROL
TO PHONE
IN
RS-232
EF400
INTERFACE
O
N
O
FF
ASPI BUS
LOGIC IN/OUT
TO LINE
OUT
Reference Input
Room Amplifier
Audio
Amplifier
TX RX
Technical Support: 800.932.2774
I
NSTALLATION
EF200 Phone Add (Optional)
5, 15 VDC
FROM TO FROM TO
AEC AEC REMOTE REMOTE