RM01-001 Remote Memory
SM77 Installation and Operation Manual
Section 1 Rev: 1.01
Issue 1
Page 1-1
ENG-FORM: 800-0115.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Section 1 Description
1.1
Introduction
Information in this section consists of product description, design features and specifications for the
RM01-001 Remote Memory (RM01). The RM01 has been developed for use in the Northern Airborne
Technology Ltd (NAT) Digital Audio Communication System (DACS) but can be used in other applications
as appropriate. All derivative product information shall be contained in the applicable manual
supplement, which may be obtained from Northern Airborne Technology Ltd as required.
Review all notes, warnings and cautions.
Note
: This manual contains information applicable to units s/n 3000 and above. For information
applicable to units below s/n 3000 contact the product support department at Northern Airborne
Technology Ltd.
1.2
Product Description
The RM01 is a Remote Memory unit for the Northern Airborne Technology Ltd. (NAT) Digital Audio
Communication System (DACS).
The DACS is a communications management system that distributes and controls all of the audio in an
aircraft. It manages the audio from all transceivers, receivers and audio warning sources. It enables the
transmission of microphone audio to a selected transmitter and distributes all Inter-Communication
System (ICS) audio.
The RM01 is a remote mounted device that connects to the DACS AMU50 Audio Management Unit. The
RM01 stores the system’s configuration and aural alert files. Storing the system configuration and alert
files in this unit enables the replacement of the AMU50 without the need of downloading a new
configuration file.
The RM01 communicates with the AMU50 over a Serial Peripheral Interface (SPI) port. The RM01 also
receives regulated power from the AMU50.
1.3
Design Features
The RM01 provides digital memory accessible via a serial communications port to service an externally
attached device such as an Audio Management Unit. A Typical application of the RM01 would be to store
system configuration data or digital audio data.
The RM01 provides 64 Mbits of data storage capacity, which supports at least 120 seconds of 16 bit
digital audio data (32 kHz sampled).
The document reference is online, please check the correspondence between the online documentation and the printed version.
