Cn1: Com1 And Com2 Serial Ports; Cn2, Cn3: Dvi-D And Hdmi Connector; Cn4, Cn5: Display Port + Usb3.0 0/1 Connector; Cn6: Gigabit Lan (Intel I219Lm/I219V) + Usb3.0 2/3 - IBASE Technology MI991 User Manual

CN1: COM1 and COM2 Serial Ports (40909AANSABR)
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Note: COM2 Support RS-232 only.

CN2, CN3: DVI-D and HDMI Connector

CN4, CN5: Display Port + USB3.0 0/1 Connector

CN6: Gigabit LAN (Intel I219LM/I219V) + USB3.0 2/3

CN7, CN8, CN10, CN11: SATA Connectors

CN9: Gigabit LAN (Intel I211AT) + USB3.0 4/5

CN12: HD Audio Connector

Pin #
RS-232
1 DCD
2 RX
3 TX
4 DTR
5 Ground
6 DSR
7 RTS
8 CTS
9 RI
10 NC
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Signal Name
R2-422 RS-485
TX- DATA-
TX+ DATA+
RX+
RX-
Ground Ground
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
1 5