IEI Integration PM-LX-800 v1.0 - Manual (Page 56)

Page 56
IEI® Technology, Corp.
3.2.14 RS-422/485 Serial Communications Connector
CN Label: CN10
CN Type: 4-pin header
CN Pinouts: See Table 3-16
CN Location: See Figure 3-16
The PM-LX-800 offers one four-pin header for RS-485 serial connection.
PIN DESCRIPTION
1 RDX485-
2 RDX485+
3 TXD485+
4 TXD485-
Table 3-16: RS-422/485 Serial Communications Connector Pinouts