Marine Systems Technology, Inc.
Box 1507, North Falmouth, MA 02556
508-548-0012 (voice) 508-548-8806 (fax)
email: mast@marinesystems.com

Introduction

The model 1050 Smart Inverted Echo Sounder (SmartIES) Inverted 
Echo Sounder (IES) is an integrated system designed for long term
 submergence in the deep ocean, consisting of the following sub-systems:

-  acoustic transponder,
-  acoustic command receiver, 
-  burn wire release mechanism,
-  range gated inverted echo-sounder,
-  High accuracy pressure sensor,
-  PC-104 based data logger
-  Battery

System Description

The  mechanical design of the SmartIES integrates the acoustics
 and control electronics onto a single board as shown in the layout
 photographs. In addition, a  custom battery pack that contains the
 batteries for the transponder and the IES electronics

SmartIES Electronics

The  SmartIES  electronics are packaged on a single P.C. Board,
 mounted  on an aluminum plate positioned over the battery pack and
 optional pressure transducer.  This board contains:

SmartIES Receiver
SmartIES Control Electronics (HC-11 based)
PC-104 CPU board
PCMCIA 10 megabyte flash disk
Power regulation/control and distribution hardware
Acoustic transmitter
Transponder electronics
Enable command electronics
Release command electronics
Burn wire electronics

Interface to the user is made by way of a 4 pin Brantner SeaCon connector
 mounted on the sphere, and accessible via two holes in  the hardhat assembly.