User manual CRESTRON QM-WMIC AD

[. . . ] Crestron QM-WMIC Wall Plate Media Center Microphone Input Wall Plate Media Center Microphone Input: QM-WMIC Purpose The purpose of this addendum is to provide additional information not supplied with the original QM-WMIC Operations & Installation Guide (Doc. [. . . ] Revised Suggestions for Proper Grounding of QM-WMIC · Connect the grounding wires as shown in the following diagram, to the electrical box (the electrical box must be earth grounded) or a ground wire in the electrical box. Grounded Electrical Box Grounding QM-WMIC to Grounded Electrical Box 24 QM-RMCRX Y Z G SHIELD Floating QM-WMC & QM-WMIC Grounding Wire OR Addendum #1 for DOC. 6245 Wall Plate Media Center Microphone Input: QM-WMIC · 1 Wall Plate Media Center Microphone Input · Crestron QM-WMIC Connect the ground wires to the Cresnet shield and connect the Cresnet shield at the QM-RMCRX to the chassis of the QM-RMCRX as shown in the following diagram. The QM-RMCRX chassis must be connected to an earth ground. In this instance, the Cresnet shield is not connected to Cresnet ground. Electrical Box Isolated from Ground 24 Grounding QM-WMIC Using Cresnet Shield to Grounded Chassis QM-RMCRX Y or CP2, CP2E, Z MC2E, MC2W, MP2, MP2E G 24 VDC CHASSIS TO EARTH GROUND QM-WMC & QM-WMIC SHIELD Grounding Wire Line Voltage NOTE: When the Cresnet shield is used to connect the QM-WMIC to the Cresnet ground terminal of a PRO2, PAC2, AV2, or any other 2-Series control system whose chassis is already earth grounded, the grounding wire from the control system to earth ground is unnecessary (as shown in the following diagram). Grounding QM-WMIC Using Cresnet Shield to Grounded Chassis Electrical Box Isolated from Ground 24 PRO2, AV2, or PAC2 Y Z G SHIELD QM-WMC & QM-WMIC Grounding Wire Line Power Crestron Electronics, Inc. [. . . ] 6245 02. 04 Specifications subject to change without notice. [. . . ]