Tibbo Tibbit Block #02 RS232/422/485 Port

This is a Tibbit Block #02 RS232/422/485 Port that can be electronically programmed to work in RS232, RS422, or RS485 mode. The Tibbit is based on the Sipex SP337 universal transceiver. Tibbit Block #02 RS232/422/485 Port; Features a "full" serial port that can be electronically programmed; Works in RS232, RS422, or RS485 mode; Based on the Sipex SP337 universal transceiver; Comes with eight LEDs: five red and three green