
EMB-H81B
2-24
NOTES:
• The serial port cables are purchased separately.
• Only COM1 can support RS-422 and RS-485.
17. Serial port connectors (10-pin COM1, COM2)
These connectors are for serial (COM) ports. Connect the serial port cables
to these connectors, then install the module to a slot opening at the back of
the system chassis.
Pin
Signal
Pin
Signal
1
DCD (422TXD-/485DATA-)
2
RXD ()
3
TXD (/) 4
DTR (422RXD-)
5
GND
6
DSR
7
RTS
8
CTS
9
RI/+12V/+5V
10
N.C.
EMB-H81B Serial port connectors
PIN 1
COM1
DCD# (422TXD- / 485TXD-) TXD ( / )
GND RTS#
Ring / +5V / +12V
RXD () DTR# (422RXD-) DSR# CTS# (NC)
PIN 1
COM2
DCD#
TXD GND RTS# Ring
RXD DTR# DSR# CTS# (NC)
Содержание EMB-H81B
Страница 1: ...Industrial Motherboard EMB H81B...
Страница 16: ...EMB H81B 2 8 A B C 4 5...
Страница 18: ...EMB H81B 2 10 A B B A To uninstall the CPU heatsink and fan assembly 2 1...
Страница 20: ...EMB H81B 2 12 2 5 1 Installing a DIMM 3 To install a DIMM To remove a DIMM 3...
Страница 50: ...3 16 EMB H81B...
Страница 52: ...A 2 EMB H81B Pb Hg Cd Cr VI PBB PBDE SJ T 11363 2006 SJ T 11363 2006 2002 95 EC...