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Summary of Contents for Moxa Technologies TCC-80I Series
- Page 1 TCC-80I/TCC-80I-DB9 Series Quick Installation Guide Isolated High-Speed Serial Port Powered Serial Media Conversion Solution Version 4.1, January 2021 Technical Support Contact Information www.moxa.com/support 2021 Moxa Inc. All rights reserved. P/N: 1802000801014 *1802000801014*...
- Page 2 First high-speed, isolated, self-powered RS-232 to RS-422, 2-wire/4-wire RS-485 bi-directional converter with 2.5 KV isolation and 15 KV ESD protection. Overview The TCC-80I is the world’s first high-speed, isolated, self-powered converter. It is powered through the host’s RS-232 port and provides complete signal conversion between RS-232 and RS-422/485 devices.
- Page 3 Features and Specifications • Signals: RS-232: TxD, RxD and GND RS-422: TxD+(B) / -(A), RxD+(B) / -(A), GND RS-485: Data+(B) / -(A), GND • Port types: RS-232: Female DB9 RS-422/485: Terminal Block or Male DB9 • Auto-senses baudrates from 50bps to 115.2Kbps •...
- Page 4 Port Power Dissipation When installing an RS-232 port-powered TCC-80I converter, pay attention to the power consumption, RS-232 cable length, power provided by the serial port, and the RS-422 /485 transmission distance. In general, TCC-80I itself derives 70 mW from the power source; a standard COM port on a host PC can provide 70 to 90 mW of power if the TxD, RTS, and DTR lines are connected.
- Page 5 Optional External Power Termination is a critical requirement for port-power devices such as the TCC-80I. In most circumstances, termination resistors are used when the RS-422/485 cable length is longer than 100 m. Regardless of how much the data signal is dissipated, the termination resistors absorb more than 75 mW of power from the power source when TCC-80I is unable to use the limited serial power.
- Page 6 Switch and Jumper Settings To change the operation mode, check the DIP Switch settings on the back panel. DIP Switch Settings RS-422 with Terminator RS-422 4-wire RS-485 with Terminator 4-wire RS-485 2-wire RS-485 with Terminator 2-wire RS-485 DIP SW1 and SW2 are used to select the operation modes (RS-422, 4W or 2W RS-485).
- Page 7 NOTE The RTS and CTS pins are shorted, and the DTR, DSR, and DCD pins are shorted, so that users do not need to worry about the hardware flow control cable wiring problem. USB Power Cord If additional external power is required, the TCC-80I can be connected to a standard 5 to 12 VDC power supply, or the USB power cord (CBL-USBAP-50) can be used.
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