Chapter 3 Communications Operations of BHT-202Q/202QW-CE1213.3 Connector interface specificationThe BHT-202QW-CE is equipped with a USB interface for interfacing with the host PC, and with aconnector interface for communicating with the host PC.(1) Specification• USB1.1, Full-speed compliant• RS-232C interface(2) Connector : TCX3171 HOSIDENPin No Signal name Data direction1 GND2 D+ (USB) Input / Output3 D- (USB) Input / Output4 VBUS (USB)5 CTS (RS-232C) Input6 RxD (RS-232C) Input7 RTS (RS-232C) Output8 TxD (RS-232C) Output(Note) 1.The input/output direction is stipulated from the BHT side.2.Use the exclusive cable only.Pin 1Pin 7Pin 8 Pin 2
