3-13
Chapter 3 Installing 4100ES MINIPLEX Components
MINIPLEX Audio Wiring (continued)
Digital
Interconnections
(4100-1311 Digital
Audio Controller)
Figure 3-6 is an illustration of Style 7 and Style 4 (Class B) digital wiring from the digital
audio controller to risers connected to TICs or the Network Audio Riser Controller Module.
Figure Notes:
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 µF maximum
24 AWG: 135 Ohms maximum, 0.055 µF maximum
5. All wiring that leaves the building requires the 2081-9044 Overvoltage Protector at each entry or exit to the building.
A maximum of four overvoltage protectors are allowed. Each 2081-9044 adds 6 Ohms and 0.006 µF.
6. Wiring must be free of all grounds.
7. Maximum number of digital interface cards per digital audio riser: 31.
8. All riser wiring is supervised and power-limited.
9. Audio wiring is not to be mixed in the same jacket with other wiring (including other audio wiring).
10. In applications where no Digital Audio Controller is connected to the field wiring (such as a synchronized audio
application or a non-synchronized application with multiple network microphone s), all DAR interface cards are
wired secondary to primary.
Figure 3-6. Digital Interconnections (4100-1311 Digital Audio Controller)
HARNESS
733-997
HARNESS
733-997
P3
P2
P3
P2
Host Panel
Transponder 1 Transponder 2
4100-1311
DIGITAL
AUDIO
CONTROLLER
(566-409, -1028)
4100-0620
BASIC TIC
4100-0625
LOCAL
MODE TIC
4100-0622
DIGITAL
AUDIO
RISER
(566-407, -1000)
4100-0622
DIGITAL
AUDIO
RISER
+ - S S + -
PRI SEC
TB2
6 1
- + S - +
SEC PRI
TB1
1 6
SEC PRI
TB1
1 6
- + S - +
DASHED LINES ARE
FOR STYLE 7
OPERATION
PRIMARY
DAR
FERRITE
BEAD
(required on
primary and
secondary
DAR)
Loop wires once through the
supplied ferrite beads as shown
(566-407, -1000)
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