
SPCIE-C2060 PICMG 1.3 CPU Card
Page 33
Figure 3-18: RS-422/485 Connector Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 RXD422- 3 TXD422+/TXD485+
2 RXD422+ 4 TXD422-/TXD485-
Table 3-18: 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 3-19: DB-9 RS-422/485 Pinouts
3.2.18 SMBus Connector
CN Label: SMBUS_1
CN Type:
4-pin wafer
CN Location:
See
Figure 3-19
CN Pinouts:
See
Table 3-20
The SMBus (System Management Bus) connector provides low-speed system
management communications.
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