Pin No. Function
1 Receive Line Signal Detect*
2 Receive Data
3 Transmit Data
4 Not used
5 Signal Ground
6 Not used
7 Data Set Ready*
8 Clear To Send*
9 Not used
MA402I
CH1
CH2
1
6
9
5
1
6
9
5
* These signals always active
Figure 1. MA-402I Module adapter, connector pinouts
RFL NCM RFL Electronics Inc.
November 6, 2007 5 (973) 334-3100