Rs-422/485 Setting (Only For Com3); Ethernet: Lan Port - Compal U-BPC User Manual

COM3 RS-485 (configurable to RS-422 an vice versa)
Refer to Appendix B.7 for detail pin assignments. COM3 is configurable. Below section descripts how
to set the protocol for RS-422/485 selection.

2.4.2 RS-422/485 Setting (only for COM3)

COM3 supports either RS-422 or RS-485 interface. The default interface had been set and you can
configure it through corresponding jumper to select it as RS-422 or RS-485.
Jumper Configuration
Refer to below figure to learn how to set the correct jumper.
▪
RS-422: short pin 1 and pin 2 to set
▪
RS-485: short pin 2 and pin 3 to set

2.5 Ethernet: LAN Port

The 8-pin RJ-45 LAN port equipped 10/100 controller which is fully IEEE 802.3 10BASE-T and 802.3u
100BASE-T compliant supports a standard Ethernet cable for connecting to a local network.
(check w/ EE if it's correct)
(check w/ EE if it's correct)
▲ Figure: COM3: RS422/485 Jumper Setting
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