Mindray BC-3000 Plus - Page 318

Appendices
D-2
D.2 Connection
The BC-3000 Plus can be connected with an external computer through a DB9 connector.
The pins of the DB9 connector are shown in Figure12-1.
Figure12-1 DB9 connector
Pin description:
DCD：Carrier Detect
RXD：Receive Data
TXD：Transmit Data
DTR：Data Terminal Ready
GND：Signal Ground
DSR：Data Set Ready
RTS：Request to Send
CTS：Clear to Send
RI：Ring Indicator
The BC-3000 Plus communicates with a host through serial port 2, using Pin2, Pin 3 and Pin
5. The maximum transmission distance is 12 meters.