TCC-80, Port-powered RS-232 to RS-422/485 converter

Port-powered RS-232 to RS-422/485 converter with 15 KV serial ESD protection and terminal block on the RS-422/485 side

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. In addition,the TCC-80/80I’s 15 KV ESD protection guards against damage from electrostatic discharge, and the TCC-80I is the world’s first high-speed, port-powered converter with 2.5 KV isolation.

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. Moreover, the TCC-80I’s patented LED port power indicator lets you check whether or not the TCC-80I is receiving enough power.

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Description

Connector
DB9 female

Signals
RS-232 TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND (Loop-back wiring RTS to CTS, DTR to DSR and DCD)

Connector
Terminal Block or DB9 male

Signals
(interface selected by DIP switch) RS-422 TxD+, TxD-, RxD+, RxD-, GND RS-485-4w TxD+, TxD-, RxD+, RxD-, GND RS-485-2w Signals Data+, Data-, GND RS-485 Data Direction Control ADDC® (automatic data direction control)

Operating Temperature
0 to 60°C (32 to 140°F)

Source of Input Power
RS-232 port (TxD, RTS, DTR) or power input jack

Input Voltage
5 to 12 VDC

Power Consumption
TCC-80 10 mA @ 5 V (with termination disabled) TCC-80I 20 mA @ 5 V (with termination disabled)

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