User`s manual

Chapter 2 Hardware Configuration
PMB-1751LF USER'S MANUAL
Page: 2-7
COM3 : COM3 Connector
The COM3 Connector assignments are as follows :
PIN ASSIGNMENT
1 NDCD3
2 RXD3
3 TXD3
4 NDTR3
5 GND
6 NDSR3
7 NRTS3
8 NCTS3
9 NRI3
10 NC
COM4 : COM4 Connector
The COM4 Connector assignments are as follows :
PIN ASSIGNMENT
1 NDCD4
2 RXD4
3 TXD4
4 NDTR4
5 GND
6 NDSR4
7 NRTS4
8 NCTS4
9 NRI4
10 NC