A Teledyne Benthos SMART Products Datasheet Teledyne Benthos Subsea Observation System, Data Logging and Telemetry THE SM SERIES SUBSEA NODE is a unique concept from Teledyne Benthos that combines the proven technology of an underwater acoustic release with the reliable undersea communications functionality of an acoustic modem. The SM-975 supports all the most current optional features of the Teledyne Benthos underwater acoustic modem line such as: in-band acoustic recorder, positioning, and high capacity data logging. This easily deployed system features the ATM-900 Series modem electronics, batteries, and a transducer, all contained in a 6,000m rated housing with a burn wire release mechanism. The acoustic modem allows the user full telemetry capability to full ocean depth, with RS-232 connectivity to attached sensors. More than one sensor can be employed simultaneously. The SM-976 is similar in design to the SM-975 and is primarily intended for short deployments. The SM-976 features rechargeable lithium ion batteries and comes in a convenient storage/transport case that includes a battery charger and complete spare parts kit. The SM-976 is an ideal product for use as a node in a long baseline (LBL) positioning system. PRODUCT FEATURES • Integrated system for easy deployment, recovery and storage • nvironmental monitoring (physical oceanographic and E bio-geochemical sensors available) • Enables real-time communication with your subsea instrument • Functions as an LBL node or acoustic network repeater • Supports multiple sensors and instruments A Teledyne Marine Systems Company • ndersea positioning (Standard long-baseline configurations) U • eophysical exploration (compatible with geophones for G seism

A Teledyne Benthos SMART Products Datasheet TECHNICAL SPECIFICATIONS Models RS-232 port on outside of sphere Titanium vacuum port SM-975 Up to 2 years (depending on usage) SM-976 Up to 1 year (depending on usage) SM-975 30 D-cell alkaline batteries (Dual battery pack, 17 inch) Weight (Not including anchor) Acoustic slant range Transducer pattern Omnidirectional from upper hemisphere Release Electrolytic dissolving wire (upon receipt of correct command) Hard hat Super yellow ribbed hard hat Topside controller ATM-900 Series modems and UDB-9400 Deck Box Data Retrieval Vessel, AUV/UUV, Gateway Buoy...