Audio International, Inc. MSM2911-01-x Installation
Document #540135, Rev. A, 4/2000
Page 5 of 10
2.0 Application
2.1 Introduction
The MSM2911-01-x converts analog, variable, DC voltage to RS-485
digital signals. Four analog DC voltage inputs are provided. The voltage
on each input can be from 0 to +5 VDC, 0 to +12 VDC, or 0 to +28 VDC.
Only one voltage input may be used on each of the four input ports.
2.2 Block
Diagram
– Typical Application
3.0 Installation
3.1
Prior to Installation
Prior to installation, the following items should be considered:
3.1.1 During the design and layout of the aircraft cabin, careful
consideration of the location of this module is necessary. Some of
the items to be considered include:
•
Space
•
Available power supply
•
Environmental conditions (temperature, humidity, etc.)
•
Length of cable runs
3.1.2 The MSM2911-01-x shall be installed to conform to the standards
designated by the customer, installing agency, and existing
conditions as to the unit location and type of installation.
3.1.3 Mounting screws are required to secure the unit. Refer to Section
6.0, Reference Drawings, for mounting hole diameters and
configuration.
