Operation Manual
PRE-INSTALLATION
© Polycom, Inc. 5 VORTEX EF2211/EF2210 Reference Manual
EF2211/EF2210 F
RONT
AND
R
EAR
P
ANELS
1. LCD DISPLAY. Displays menu instructions for configuration and operation of the
EF2211/EF2210.
2. D
OWN BUTTON. Scrolls backward through menu items at a particular level or
decreases the value of a parameter.
3. U
P BUTTON. Scrolls forward through menu items at a particular level or increases
the value of a parameter.
4. E
NTER. Enters the menu and allows you to select and change parameter values.
5. E
SC. Returns to the next highest level of menus.
6. H
OME. Returns to the top of the menu structure.
7. L
EVEL INDICATOR. Indicates the level of the selected channel or parameter.
8. P
HONE CONNECT. Takes the phone line on or off hook. If you have an analog
handset connected to the P
HONE jack on the back panel, pushing this button will
disable the P
HONE jack while enabling the LINE jack (see Item 17).
* This feature is not available on the EF2210.
9. M
IC ACTIVITY LED. Indicates gating activity on the mic/line channel input.
10. I
NPUT PARALLEL PORT. Parallel logic input.
* This feature is not available on the EF2210.
11. O
UTPUT PARALLEL PORT. Parallel logic output.
* This feature is not available on the EF2210.
12. EF B
US IN. Connects to EF BUS OUT of another Vortex device.
13. EF B
US OUT. Connects to the EF BUS IN of another Vortex device.
14. RS-232 S
ERIAL PORT. Connect this to an optional RS-232 remote control device,
such as a touch panel or personal computer COM port.
15. P
OWER SUPPLY INPUT. Connects to the external power supply provided with the
EF2211/EF2210.
16. P
OWER AMPLIFIER OUTPUT. Drives up to 10 W into 4-16 Ohm speakers.
17. P
HONE/LINE JACKS. Use the PHONE jack for connecting an analog handset to the
system. Use the L
INE jack for connecting to an analog telephone line.
* This feature is not available on the EF2210.
18. I
NPUTS. Includes inputs for a microphone or line level input, remote end audio
(line level), and program audio (line level).
19. L
INE OUTPUTS. Line level outputs for an amp, remote audio, and record audio.
Figure 2. EF2211/EF2210 Front and Rear Panels
DOWN HOMEUP
0-3-7-12-20 3 dB
METER
920
PHONE CONNECT
ORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEX
ORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEXORTEX
EF2211
1 23 45 6 78* 9
OUTPUT
INPUT
REMOTE CONTROL
RS-232
EF BUS IN
EF BUS OUT
PHONE LINE
+5, +/-15 VDC
+5, +/-15 VDC
RS-232 PIN 2: TXD, PIN 3: RXD, PIN 5: GROUND, PIN 7: CTS, PIN 8: RTS
EF2211VORTEX
SPEAKER
BA1
OUTPUTS
BA1
INPUTS
10* 11*
1312 14 15 16 17* 1819










