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Peripheral Equipment
203
Input impedance 2400 ohms (pin 2 -
3)
10K ohms
Maximum input level 83 mVpp 15.5 Vpp
Minimum input level 6.2 mVpp 1.17 Vpp
Range, menu
adjustable input gain
22.5 dB (16 steps of
1.5 dB)
22.5 dB (16 steps of
1.5 dB)
Phantom power
voltage
24 V +/- 5% -
Phantom power
resistor, pin 2
1200 ohms -
Phantom power
resistor, pin 3
1200 ohms -
Max phantom power
current pr mic
12 mA
-
2 Audio Outputs
1 output (line level) via RCA connector providing audio from far end in addition to dial
tones. This output is used by the monitor. This output also supports S/PDIF.
1 VCR output (line level) via RCA connector providing a mixed signal between audio from
the local side (except from the VCR input) and audio from the far end. This output is
intended for connection to a VCR.
Audio output connector specification:
Connector label Audio outputs
Signal type Unbalanced
Connector (codec) Female RCA/phono, sleeve-
ground, centre-signal
Output impedance 680 ohms
Maximum output level 15.3 Vpp
Minimum output level 1.15 Vpp
Range, menu adjustable
output gain
22.5 dB (16 steps of 1.5 dB)
Volume control attenuation
(audio out 1)
0 to 21 dB + mute (steps of 1.5
dB)