PolyCom

PolyCom-1 RS-232 to RS-422/485 Converter
The most versatile converter on the market today. User configuration options include:
1. RS-422 or RS-485 mode
2. DTE or DCE on RS-232 side
3. Transmit and Receive enable options
4. DCD and DSR may be strapped to DTR
5. Data rates to 38.4KBPS

PolyCom-2 ISOLATED RS-232 to RS-232 Adapter
Features include:
1. Optical isolation between the two sides
2. Transmit, Receive and RTS paths included
3. For each side RTS can be configured to drive the remote sides' CTS or looped back
to drive its own CTS.
4. On each side DCD and DSR may be strapped to DTR
5. Data rates to 38.4KBPS

PolyCom-3 ISOLATED RS-232 to RS-422/485 Converter
Functions and feature-set are identical to the PolyCom-1, except that optical isolation is provided.

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