21
This section describes configuration settings for the 4100-0622 Digital Audio Riser (DAR)
Module (566-407) and the 4100-1341 MCC Digital Audio Riser Module (566-833).
Figure 14 shows the important component locations on the 4100-0622 Digital Audio Riser (DAR)
Module.
SEC 1
TB3
TB2
1
P2
1
TB1
2
1
SEC 2
DAR
CHANNEL OUT
NAA IN
NAA OUT
NAA
VOLUME
R4
SW1
LED1
LED2
LED3
LED4
DAR GROUND FAULT
SEARCH ACTIVE
PDI RECEIVE
ENABLE
PRIMARY RECEIVE
SECONDARY RECEIVE
DIGITAL
RISER
ON-ENABLE
NAA
1
2
3
4
SW2
LSB
MSB
1
2
3
4
LINE
25V
70V
SHLD
PRI 1
Figure 14. Digital Audio Riser Module
Table 8 lists specifications for the Digital Audio Riser Module.
Table 8. Digital Audio Riser Module (4100-0622, -1341) Specifications
Electrical Specifications
Input voltage
19-33 VDC
Input Current
(Supervision
or Alarm)
With no secondary wiring: 70 mA maximum
Add 5 mA for each secondary in use
Continued on next page
Digital Audio Riser Module (566-407, -833)
Overview
Locations on the
Digital Audio Riser
Module
Digital Audio Riser
Module
Specifications
P2.
Supervision Type Setting
SW1.
PDI Drive
Selection
SW2.
Channel Out Selector
P4.
NAA Input Level
R4.
NAA Volume
Adjustment
See CAUTION on
page 19
TB3.
DAR Connector
TB1.
Channel Out Connector
TB2.
NAA In Connector
P1.
Audio Riser
Module Connector
LED1.
DAR
Ground Fault
Indicator
LED2.
DAR
Receive on PDI
Indicator
LED3.
DAR
Receive on
Primary
Indicator
LED4.
DAR
Receive on
Secondary
Indicator
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