Simplex 4100ES Installation Manual page 99

11. All riser wiring is supervised and power-limited.
7.6.5 Digital Interconnections for the 4100-1311 Digital Audio Controller
Figure 62 is an illustration of Class X and Class B digital wiring from the digital audio controller to risers connected to the Network Audio
Riser Controller Module.
Note: Old legacy 0566-409 Digital Audio Controller, 0566-407 DARIC, and 0566-833 MCC DARIC boards were replaced due to component
obsolescence. The replacement boards are the 0566-1028 Digital Audio Controller, 0566-1000 DARIC, and 0566-1001 MCC DARIC. They
are functionally equivalent to the legacy boards.
Figure 62: Digital Audio Interconnections (4100-1311 Digital Audio Controller)
1. All wiring is 24 AWG to 18 AWG , twisted-pair.
2. Maximum wire distance: 2,500 feet (762 meters) from digital audio controller primary to the digital audio riser card.
3. Maximum distance between subsequent nodes: 2,500 feet (762 meters).
4. Maximum line distance and capacitance between nodes:
- 18 AWG: 40 Ohms maximum , 0.055 uF maximum
- 24 AWG: 135 Ohms maximum, 0.055 uF maximum
page 97
4100ES Fire Alarm System Installation Guide
574-848 Rev. BQ