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This section applies only to the field replacement of the Digital Audio Riser (DAR) Module (566-
243) with the later version of this module (566-407).
The following configuration and wiring information applies when replacing the 566-243 module
with the 566-407 module.
Table 12. Digital Audio Riser Module (566-243) Configuration & Wiring
Configuration (Jumpers, Switches, and Potentiometer)
Constant Supervision Jumper (P2) Position 1-2 to silence supervision
NAA Input Level (P4) Any position (not used)
NAA & PDI Outputs (SW1)
Positions 1 & 2 OFF (Disables NAA Outputs)
Positions 3 & 4 ON (Enables PDI Outputs)
D to A channel & DAR density (SW2) Any position (not used)
NAA Volume (Potentiometer R4) Any position (not used)
Wiring
NAA Input (TB2) Not used
Channel Output (TB1) Not used
DAR Wiring (TB3)
Wire to primary and secondary (SEC1)
like 566-243. Do not use SEC2. Refer
to Figure 9 for details.
Field Replacement of the Digital Audio Riser Module (566-243)
Overview
Configuration and
Wiring of the Digital
Audio Riser Module
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