Polycom Vortex EF2241 Reference Manual page 9

Figure 4. Inputs and outputs on back panel of the EF2241.
© Polycom, Inc.
Figure 3. Parallel remote control, EF B
input, and power amplifier output on back panel of the EF2241.
10. I P P
NPUT ARALLEL ORT
11. O P P
UTPUT ARALLEL ORT
12. EF B I . Connects to EF B
US N
13. EF B O . Connects to the EF B
US UT
14. RS-232 S P . Connect this to an optional RS-232 remote control device,
ERIAL ORT
such as a touch panel or personal computer COM port.
15. P S I
OWER UPPLY NPUT
EF2241.
16. P A O
OWER MPLIFIER UTPUT
17
17. P /L J . Use the P
HONE INE ACKS
system. Use the L
INE
18. M /L I . Connects to microphone at either mic or line level, with or
IC INE NPUTS
without phantom power.
19. L I . Inputs A-D at line level.
INE NPUTS
20. L O . Outputs 1-4 and Outputs A-D at line level.
INE UTPUTS
10 11 12 13 14 15
, serial remote control, power supply
US
. Parallel logic input.
. Parallel logic output.
O of another Vortex device.
US UT
I of another Vortex device.
US N
. Connects to the external power supply provided with the
. Drives up to 10 W into 4-16 Ohm speakers.
18 20 19
jack for connecting an analog handset to the
HONE
jack for connecting to an analog telephone line.
7 V
ORTEX
P -I
RE NSTALLATION
16
EF2241 Reference Manual