
Chapter 3 Communications Operations of BHT-200B-CE/200BW-CE
3.4 Connector interface specification
The BHT-201BW-CE is equipped with a connector interface for communicating with the host PC.
(1) Specification
• USB1.1, Full-speed compliant
• RS-232C interface
(2) Connector : TCX3171 HOSIDEN
Pin 8 Pin 2
Pin 1
Pin 7
Pin No. Signal name
1 GND
2 D+
3 D-
4 VBUS
5 CS (Ready to send)
6 RD (Receive data)
7 RS (Request to send)
8 SD (Send data)
(Note) The input/output statuses are taken from the BHT side.
Electric characteristics(RS-232C)
Min. Max.
Output voltage “H” 5V 15V
Output voltage “L” -15V -5V
Input voltage “H” 3V 15V
Input voltage “L” -15V -3V
(Note 1) Input/output voltages are as specified at the terminal of the interface
connector.
(Note 2) Output voltages shall be under the following conditions:
Power voltage: Rated voltage
Load resistance: 3kΩ.
113
Comentários a estes Manuais