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> Polycom aspi echofree EF1210 + EF200 phone add
Polycom aspi echofree EF1210 + EF200 phone add
POLYCOM ASPI EchoFree EF1210 + EF200 Phone Add
* Telephone line echo and noise canceller.
* Dimensions:8.25 (210 mm) W x 8.25 (210 mm) L x 1.75 (45 mm) H (1/2 rack unit)
* Audio: Mini (3.5mm) quick connect terminal blocks.
* RS-232: DB9F Logic In/Out: DB15HDF
* ASPI Bus In / Out Telephone Line / Set: RJ45 (RJ11 plugs may be connected to Line / Set jacks)
* External supply; provides +5 and +/- 15 VDC to unit.
* Input 100-240 VAC 50/60 Hz.
* Balanced; 50 Ohms (drives >600 ohm inputs); 0 dBu nominal output.
* Balanced; 10k Ohms; 0 dBu nominal input.
* Balanced; >10k Ohms +4 dBu (adjustable to -20 dBu) 18 dB headroom.
* Hybrid coil with automatic adapting DSP echo cancellation.
* Echo cancellation 40 dB total 60 dB; convergence 30 dB/second cancellation span 30 ms.
* 6 dB or 10 dB selectable; cancels steady-state ambient noise at all frequencies without affecting speech.
* Normally open contact closure inputs; normally low status outputs; up to 10 mA high level drive at 3 V.
* Privacy remote and phone feature buttons operational.
