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INTRODUCTION
FURUNO Electric Company thanks you for selecting the IB-681 High Speed Data (HSD)
Modem. We are confident you will discover why FURUNO has become synonymous with
quality and reliability.
For over 50 years FURUNO Electric Company has enjoyed an enviable reputation for
excellent marine electronics equipment. This dedication to excellence is furthered by our
extensive global network of agents and dealers.
The IB-681 is designed and constructed to meet the rigorous demands of the marine
environment. However, no machine can perform its intended function unless properly in-
stalled and maintained. Please carefully read and follow the recommended procedures for
installation, operation and maintenance to get maximum performance from this equip-
ment.
Features
The IB-681 provides global, satellite-based high speed duplex 56 or 64 Kbps data via
ISDN. High speed data services will be useful to companies and organizations with large
amounts of data to transmit.
• Automatic, manual calling
• LEDs show equipment status
• Simple operation
• DIP switches and data rate switch set operation parameters
Notice
FURUNO will assume no responsibility
for security-related problems.
Network configuration depends on
application, number of terminals used,
shipboard network and land network.
Generally, setup is done on the user’s
equipment. For details on network setup
contact the network manager.