User`s manual

22 Connectors & Jumpers
Serial Port Connector (COM2))
Parallel Port Connector (JLPT1)
Pin # Signal Functions
1 DCD Data Carry Detect
2 SIN Serial In or Receive Data
3 SOUT Serial Out or Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request To Send
8 CTS Clear To Send
9 VCC_COM3 Power Source
10 NC NC
Pin # Signal Pin # Signal
1 RSTB# 2 AFD#
3 PRND0 4 ERR#
5 PRND1 6 PINIT#
7 PRND2 8 LPT_SLIN#
9 PRND3 10 GND
11 PRND4 12 GND
13 PRND5 14 GND
15 PRND6 16 GND
17 PRND7 18 GND
19 ACK# 20 GND
21 BUSY 22 GND
23 PE 24 GND
25 SLCT 26 GND