Data Sheet

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For "normal" RS485 applications, this Tibbit has to be connected to the TX and RX lines of the CPU's
UART (see [SER] ).
Combine this Tibbit with terminal block devices -- #20 (nine terminal blocks) or #21 (four terminal
blocks).
The original version of this Tibbit made no use of IO3 and IO4. Revision B of the device now
provide 5V power on IO3 and GND on IO4.
LEDs
There are three LEDs: two red and one green. Red LEDs are connected to TX and OUT/-IN lines. The
green LED is for the RX input. All LEDs are buered (with logic gates) and light up for the LOW state
of control lines. Revision B devices are marked by a small round sticker with letter "B". The sticker
is on the side of the Tibbit.
© 2017 Tibbo Technology Inc.
9F-3, No.31, Lane 169, Kang-Ning St., Hsi-Chih, New Taipei City, Taiwan 22180
Phone: [phone] Email: [e-mail] Web: tibbo.com
Tibbit Module