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CHAPTER 2: Introduction
Six models are available:
• DB9F/Term (IC620A-F)
• DB9M/Term (IC620A-M)
• DB9F/RJ-11 (IC623A-F)
• DB9M/RJ-11 (IC623A-M)
• DB9F/RJ-45 (IC624A-F)
• DB9F/RJ-45 (IC624A-M)
2.2 Features
• Operates asynchronously, point-to-point
or multipoint, over 2 or 4 wires.
• Up to 31 multipoint device drops in a polling
environment.
• Data rates up to 115.2 Kbps.
• Passes transmit and receive data, one control
signal in each direction.
• No AC power or batteries required.
• Variable high/low impedance settings.
• Able to operate with or without “echo.”
• Carrier can be set as “constantly on” or
“controlled by RTS.”