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NQ-E7020 Digital Call Switch
Application Manual
The NQ-E7020 is a single gang-box style wall mounted
push-button switch that allows users to initiate a normal,
urgent, or emergency call from staff locations via an
associated Nyquist intercom speaker.
The switch uses a capacitive touch button interface. A color
LED ring is used to conrm user actions and to indicate
status (for example, changing color and/or state from
solid color to blinking) or to acknowledge a button press when a user
initiates a call or when a call has been terminated. The LED status ring
is also used to indicate when Nyquist system’s call queue containing
the station’s call request is cleared or if the station’s call request is
individually cleared by the administrative station without responding.
Installation
The NQ-E7020 mounts into a standard single gang outlet box and is outtted with a standard deco-
ra plate (color based on the switch’s specic application and/or customer need).The back has four
screw-terminal connections (GND, CL, CH, 5V). These get connected to the matching terminals on
the CAN Bus source/master device using standard CAT5 cabling. Load resistance needs to be set
on the end-of-line DCS. Refer to Figure 1.
Figure 1
Publication Number 740-00075B 1811
CAN_H and CAN_L must be a twisted pair like CAT5 cabling.
CAN wiring can be daisy-chained.
All devices are internally terminated and the last switch on the bus must have the termination switch in the “ON” position.
5V and Signal Ground can be either twisted or not.
Signal Ground
CAN_L
CAN_H
5V
Digital Call Switch Digital Call SwitchApplicable
Appliance
Produktspecifikationer
| Varumärke: | Bogen |
| Kategori: | Inte kategoriserad |
| Modell: | Nyquist NQ-E7020 |
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