Iei-integration IMB-Q870-i2 Uživatelský manuál stáhnout pdf (Strana 55)

IMB-Q870-i2 microATX Motherboard

Page 39

Figure 3-21: RS-422/485 Connector Location

PIN NO. DESCRIPTION

1 RXD422-

2 RXD422+

3 TXD422+/TXD485+

4 TXD422-/TXD485-

Table 3-20: RS-422/485 Connector Pinouts

Use the optional RS-422/485 cable to connect to a serial device. The pinouts of the DB-9

connector are listed below.

RS-422 Pinouts RS-485 Pinouts

Table 3-21: DB-9 RS-422/485 Pinouts

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 222 223

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