Appendix B. Specifications
Hs 000 System Administrator’s Handbook
156
Audio
Input impedance is 600 ohms nominal with XLR connector.
Input level for microphones is from -85 dBm to -40 dBm
(programmable via AppsView).
Maximum Mic In (clipping level) is -10 dBm.
VCR line input (VCR)
VCR Line In input impedance is 10 K ohms nominal,
with an RCA connector.
Line In input level is -10 dBv, 300 mV RMS nominal,
with an RCA connector.
Maximum Line In (clipping level) is +6 dBv.
Multimedia input
Intended to be connected to a PC sound card. For inband multimedia line
input level (-10 dB) through 3.5 mm jack maximum input (0) dB.
Input impedance = 10kOhms 300mv RMS with 3.5 mm jack.
Audio output
Two line level audio output sources are available at the expansion unit:
■
Line Out is used to drive the VTEL audio amplifier and speaker(s)
to provide system audio output.
Output impedance is 50 ohms nominal.
Output level is -10 dBv nominal (output level varies with
AppsView volume settings).
The audio Line Out level varies with the volume setting.
Adjustable from 0 (off) to 20 (full volume) via AppsView.
