Polycom EF2241 - Manual (Page 46)

T
ECHNICAL
S
PECIFICATIONS
V ORTEX EF2241 Reference Manual 44 Technical Support: 800.932.2774
T
ECHNICAL
S
PECIFICATIONS
M ECHANICAL S PECIFICATIONS
Dimensions 19” (483 mm) W x 9.6” (244 mm) L x 1.75” (45 mm) H (full rack unit)
Weight 4 lb. (1.8 kg) dry
5.5 lb. (2.5 kg) shipping
Connectors Audio: Mini (3.5mm) quick connect terminal blocks
RS-232: DB9F
EF Bus In/Out: RJ45
Phone In/Out: RJ11
Control/Status: DB25F
E LECTRICAL S PECIFICATIONS
Power 110 - 240 VAC; 47-63 Hz
Power Consumption 30 W
Phantom Power 24 V, software selectable
A UDIO I/O
Microphone Input Level -30 dBu to 0 dBu/-66 dBu to -33 dBu, nominal; software selectable
Line Input Level -20 dBu to 0 dBu, nominal; software selectable
Line Output Level -20 dBu to 0 dBu, nominal; software selectable
Input Impedance >10 kOhms
Output Impedance 50 Ohms (drives 600 Ohms)
Headroom 20 dB, nominal
Loudspeaker Output, Power
Amplifier 10 W, 4-16 Ohms
P ERFORMANCE S PECIFICATIONS
Frequency Response 20 Hz to 22 kHz
Acoustic Echo Cancellation Span 270 ms
Total Cancellation of AEC > 65 dB
Convergence Rate of AEC 40 dB/second
Line Echo Cancellation Span 32 ms
Total Cancellation of LEC > 65 dB
Convergence Rate of LEC 40 dB/second
Noise Cancellation 0 dB to 15 dB, software selectable
Control Inputs Contact closure
Status Outputs 5V, 20 mA each