Polycom Vortex EF2280 Reference Manual page 11

V EF2280
O R TEX
Figure 4. Inputs and outputs on back panel of the EF2280.
© Polycom, Inc.
INPUT
REMOTE CONTROL
OUTPUT
9 10
Figure 3. Parallel remote control, EF B
OUT, and power supply input on back panel of the EF2280.
9. I P P
NPUT ARALLEL ORT
10. O P P
UTPUT ARALLEL ORT
11. EF B I . Connects to EF B
US N
12. EF B O . Connects to the EF B
US UT
13. RS-232 S P . Connect this to an optional RS-232 remote control
ERIAL ORT
device, such as a touch panel or personal computer COM port.
14. P S I . Connects to the external power supply provided with
OWER UPPLY NPUT
the EF2280.
1 2 3
1 2 3
1 5
15. M /L I . Connects to microphone at either mic or line level, with
IC INE NPUTS
or without phantom power.
16. L I . Inputs A-D at line level.
INE NPUTS
17. L O . Outputs 1-8 at line level, A-D at line level.
INE UTPUTS
EF BUS IN
+5, +/-15 VDC
RS-232
EF BUS OUT RS-232 PIN 2: TXD, PIN 3: RXD, PIN 5: GROUND, PIN 7: CTS, PIN 8: RTS
11 12 13 14
, serial remote control, ASPI BUS
US
. Parallel logic input.
. Parallel logic output.
O of another EF2280.
US UT
I of another EF2280.
US N
1 7
LIN E O UTPUTS
4 5 6 7 8 A
M IC /L INE INPUT S
4 5 6 7 8 A
9 V
ORTEX
P -I
RE NSTALLATION
V EF2280
ORTEX
B C D
LINE INPUTS
B C D
1 6
EF2280 R M
EFERENCE ANUAL