![10.INPUT PARALLEL PORT. Parallel logic input.](/images/new-backgrounds/77581/7758117x1.webp)
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Figure 3. Parallel remote control, EF BUS, serial remote control, power supply input, and power amplifier output on back panel of the EF2241.
10.INPUT PARALLEL PORT. Parallel logic input.
11.OUTPUT PARALLEL PORT. Parallel logic output.
12.EF BUS IN. Connects to EF BUS OUT of another Vortex device.
13.EF BUS OUT. Connects to the EF BUS IN of another Vortex device.
14.
15.POWER SUPPLY INPUT. Connects to the external power supply provided with the EF2241.
16.POWER AMPLIFIER OUTPUT. Drives up to 10 W into
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Figure 4. Inputs and outputs on back panel of the EF2241.
17.PHONE/LINE JACKS. Use the PHONE jack for connecting an analog handset to the system. Use the LINE jack for connecting to an analog telephone line.
18.MIC/LINE INPUTS. Connects to microphone at either mic or line level, with or without phantom power.
19.LINE INPUTS. Inputs
20.LINE OUTPUTS. Outputs
© Polycom, Inc. | 7 | VORTEX EF2241 Reference Manual |