4 speaker wiring, 4 speaker wiring -28 – SilentKnight EVS User Manual
Page 50
EVS Series Emergency Voice System Installation Manual
4-28
LS10062-001-SK-E
High frequency noise, such as that produced by the inductive reactance of a speaker
or bell, can also be reduced by running the wire through ferrite beads or by wrapping
it around a ferrite toroid core. Figure 4-27 provides an example.
Figure 4-27 Wire Routing Example for EVS-125W
4.6.4
Speaker Wiring
Each EVS-125W supplies four NAC (Notification Appliance Circuit) for speaker
connection. The speaker circuit can be supervised and wired Class B (Style Y) or
Class A (Style Z). Speaker circuit 1 is capable of 100 watts of power at 25 Vrms.
Speaker circuit 2-4 are capable of 50 watts (each) at 25 Vrms.
To AC
VBUS
In & Out
SBUS
Audio
Circuits
Audio Circuits
Audio
Circuits
Battery Connection
EVS-CE4
- 5104 Digital Alarm Communicator Transmitter 6 Zone (48 pages)
- 5128 Digital Alarm Communicator Transmitter (42 pages)
- 5217 10-Zone Expander for 5208 (2 pages)
- 5220 Direct Connect Module (2 pages)
- 5235 Remote Annunciator for 5208 (2 pages)
- 5280 Status Display Module for 5208 (2 pages)
- 5495 6A Distributed Power Module (52 pages)
- 5496 6A Intelligent Remote Power Supply (38 pages)
- 5499 9A Distributed Power Module (56 pages)
- 5600 (114 pages)
- 5660 Silent Knight Software Suite (28 pages)
- 5670 IntelliKnight Facility Management Software (24 pages)
- 5700 (180 pages)
- 5808 (180 pages)
- 5815RMK Remote Mounting Kit (2 pages)
- 5815XL Signal Circuit Expander (2 pages)
- 5820XL-EVS (236 pages)
- 5824 Serial/Parallel Module (2 pages)
- 5860/5860R Remote Annunciator (2 pages)
- 5865-3/5865-4 Remote LED Annunciator (2 pages)
- 5880 LED Driver Module (2 pages)
- 5883 Relay Interface Board (4 pages)
- 5895XL 6A Intelligent Remote Power Supply (56 pages)
- B200S Intelligent Sounder Base with CO Support (4 pages)
- B200S-LF - Low Frequency Intelligent Sounder Base (4 pages)
- B200SR Sounder Base (4 pages)
- B200SR-LF Low Frequency Intelligent Sounder Base (4 pages)
- B210LP 6 Mounting Base (2 pages)
- B224BI 6 Mounting Base w/Built-in Isolator (2 pages)
- B224RB 6 Mounting Base w/Built-in Relay (4 pages)
- B501 4 Mounting Base (2 pages)
- Central Station Monitoring List (1 page)
- Document Revision History (4 pages)
- EVS-CE4 (2 pages)
- EVS-RVM (2 pages)
- EVS-VCM (2 pages)
- FFT (1 page)
- FFT-24 (2 pages)
- FFT-24 Installation (1 page)
- FFT-FPJ (1 page)
- FFT-HSC (1 page)
- FFT-STSS and FFT-STSR (2 pages)
- HFS-D (4 pages)
- HFS-MM (1 page)