Panda MD2000 - Dimensions

5
Table 2-1 Electrical interface/Pin assignment
Pin
RS232 cable
USB cable
1
Power(+5V)
Power(+5V)
2
Reseved
Reseved
3
Ground
Ground
4
+3.3V
(for interface auto selection purpose)
Ground
(for interface auto selection purpose)
5
TxD
Reserved
6
RxD
Reserved
7
Ground (Shell)
Ground (Shell)
8
TRIGGER
TRIGGER
9
CTS
D-
10
RTS
D+
Note: Voltage level of all RS232 Pin-outs (RXD, TXD, CTS and RTS) is 0V for logic low level and 3.3V for
logic high level. A transceiver (max232) PCB is designed inside the RS232 cable, and it can achieve
signal transition between TTL and RS232.
2-2 Dimensions