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5 vbus wiring, 5 vbus wiring -31 – SilentKnight EVS User Manual

Page 53

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EVS Device Installation

LS10062-001-SK-E

4-31

4.6.5

VBUS Wiring

The VBUS is an analog voice bus that carries the recorded voice messages from the
EVS-VCM to the EVS-125Ws, or the voice messages generated from a system
microphone to the EVS-125Ws. The maximum resistance on the VBUS is 20

.

Connect the VBUS from the EVS-VCM to the EVS-125Ws as shown in Figure 4-30.

Figure 4-30 VBUS Wiring

UL Listed 15k

EOL on the last panel

Supervised
Power Limited

EVS-VCM

EVS-125W

EVS-125W

To next

EVS-125W

of the VBUS