AXIOMTEK MANO310 Series, User Manual

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MANO310 Mini ITX Motherboard
Board and Pin Assignments 19
2.4.11 PS/2 Keyboard and Mouse Connector (CN15)
The motherboard has two 6-pin mini-DIN PS/2 connectors; green for mouse and purple
for keyboard.
2.4.12 COM Connector (CN16)
The CN16 is a double-deck 9-pin D-Sub connector for COM1 and COM2 port interfaces.
The default setting is RS232. However, both are selectable for RS-232/422/485 mode. If
you need COM1 to support RS-422 or RS-485, please refer to section 2.3.3. If you need
COM2 to support RS-422 or RS-485, please refer to section 2.3.4. The pin assignments
of RS-232/422/485 are listed in table below.
COM1
COM2
2.4.13 Internal COM Connectors (CN17~CN20)
The motherboard has four 5x2-pin (pitch=2.54mm) connectors for COM3~COM6 port
interfaces. Only COM3 comes with power capability on DCD and RI pins by setting JP9
(see section 2.3.5).
Pin Signal Pin Signal
1 K/B Data 7 M/S Data
2 NC 8 NC
3 GND 9 GND
4 +5V 10 +5V
5 K/B CLK 11 M/S CLK
6 NC 12 NC
Pin RS-232 RS-422 RS-485
1 DCD# TX- 485-
2 RXD TX+ 485+
3 TXD RX+ N/C
4 DTR# RX- N/C
5 GND GND GND
6 DSR# N/C N/C
7 RTS# N/C N/C
8 CTS# N/C N/C
9 RI# N/C N/C
Pin Signal Pin Signal
1 DCD# 2 DSR#
3 RXD 4 RTS#
5 TXD 6 CTS#
7 DTR# 8 RI#
9 GND 10 N/C
CN19
CN18
CN20
CN17 (COM3)