MOXA TCC-80 Serial-to-Serial Converter
The TCC-80/80I media converters provide complete signal conversion between RS-232 and RS-422/485, without requiring an external power source. The converters support both half-duplex 2-wire RS-485 and full-duplex 4-wire RS-422/485, either of which can be converted between RS-232’s TxD and RxD lines.
Automatic data direction control is provided for RS-485. In this case, the RS-485 driver is enabled automatically when the circuitry senses the TxD output from the RS-232 signal. This means that no programming effort is required to control the transmission direction of the RS-485 signal.
Port Power Over RS-232
The RS-232 port of the TCC-80/80I is a DB9 female socket that can connect directly to the host PC, with power drawn from the TxD line. Regardless of whether the signal is high or low, the TCC-80/80I can obtain enough power from the data line.
External power source supported but not required
Compact size
Converts RS-422, and both 2-wire and 4-wire RS-485
RS-485 automatic data direction control
Automatic baudrate detection
Built-in 120-ohm termination resistors
2.5 kV isolation (for TCC-80I only)
LED port power indicator
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