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DH44 4 Source, 4 Zone Digital Audio Router
Rear Panel
The Rear Panel of the DH44 has connections for Power, Source Inputs, Zone Outputs, IR Out-
puts, Page/Doorbell Trigger Input, Auxiliary Power, USB and Expansion capabilities as well as
Digital/Analog Source Selection, Source Input Gain and Zone Pairing DIP Switches. Figure 1-2
and Table 1-2 provide descriptions and locations of Rear Panel connections.
5
9 12 14
15
17
16
108
6
7
1
11
1 1
4
2
2
2
3
3
3
13
1
4
2
3
Figure 1-2 : Rear Panel
Description Function
1
Digital Coaxial Audio Input Connect digital audio sources using Digital
Coaxial cable
2
Digital Optical Audio Input Connect digital audio sources using Digital
Optical cable
3
Coaxial/Optical/RCA Selec-
tion Switch
Select between Digital Coaxial, Digital
Optical or RCA connection
4
Analog Audio Input Connect analog audio sources using RCA
cables
5
Expansion Port Control/Status Link to DH46X Digital
Audio Router
6
Source Loop Outputs Audio links to DH46X
7
D5-NET IN Port For future 2-way data sources &
communication
8
IR OUT Ports Source-specifi c IR ports to control audio
sources
9
ALL IR OUT Port Non-source-specifi c IR port
10
Page/Doorbell Trigger Input Interface with Page/Doorbell system
11
Analog Source Input Gain
Switches
Adjust Input GAIN from digital sources to
avoid distortion
12
USB Port For fi rmware updates
13
Clip Indicators Displays clipping from sources