Section B - Audio Input And Processing; Audio Input - Cisco D9040 User And Service Manual

Section B - Audio Input and Processing

Audio Input

General
Inputs
Connectors
Digital Audio In, Ch. 1 + 2
Analog Audio In, Ch. 1 + 2
Ana/Dig Audio In, Ch. 3 + 4
(option)
Basic audio channels
Optional audio channels
Analog Audio Input Channels 1, 2, 3 and 4 (Terminal Block Connector)
Input impedance
Input clipping level
Return loss
CMRR
AES/EBU Digital Audio Input, Channels 3 and 4 (Bottom Row of Terminal Block Connector)
Encoding
Input impedance
Return loss
Input level
A-12
Item
Item
Item
Technical Specifications
Specification
Analog, Digital AES/EBU or AES-3id and
embedded. AES/EBU is not supported for
channels 1 and 2.
2 BNC connectors
Top row of terminal block connector
Bottom row of terminal block connector
2 stereo (stereo channels 1 and 2) or 4 mono
2 stereo (stereo channels 3 and 4) or 4 mono
Specification
> 20 kohm or 600 ohm balanced, selectable
-6 to +24 dBu, selectable, 500 mdBu
increments
> 30 dB, 20 Hz to 20 kHz, 600 ohm
impedance
> 50 dB, 1 kHz
Specification
According to AES3-1992
110 ohm balanced
≥ 21 dB, 0.1 to 6.0 MHz
2 to 7 Vpp nominal, min. 500 mV
4020024 Rev C