18
MB995
User’s Manual
2.5.1
COM1 & COM2 RS-232/422/485 Ports (CN3)
COM1:
COM2:
Pin
Signal Name
Pin
Signal Name
1
DCD, Data carrier detect
6
DSR, Data set ready
2
RXD, Receive data
7
RTS, Request to send
3
TXD, Transmit data
8
CTS, Clear to send
4
DTR, Data terminal
ready
9
RI, Ring indicator
5
Ground
Pin
Signal Name
RS-232
RS-422
RS-485
1
DCD
TX-
DATA-
2
RX
TX+
DATA+
3
TX
RX+
NC
4
DTR
RX-
NC
5
Ground
Ground
Ground
6
DSR
NC
NC
7
RTS
NC
NC
8
CTS
NC
NC
9
RI
NC
NC
1
6
5
9
1
6
5
9
Summary of Contents for MB995
Page 1: ...MB995 8th Gen Intel Core i7 i5 i3 Xeon E ATX Motherboard User s Manual Version 1 0 July 2018...
Page 14: ...6 MB995 User s Manual 1 6 Block Diagram...
Page 17: ...General Information MB995 User s Manual 9 1 1 8 Dimensions...
Page 18: ...10 MB995 User s Manual This page is intentionally left blank...
Page 22: ...14 MB995 User s Manual 2 3 Jumper Connector Locations on MB995...
Page 38: ...30 MB995 User s Manual This page is intentionally left blank...
Page 68: ...60 MB995 User s Manual This page is intentionally left blank...