GLOBAL AMICI Computer Hardware 2807700 User Manual
INSTALLATIONS
CN2: PS/2 Keyboard and PS/2 Mouse Connectors
Keyboard
Signal Pin
# Mouse
Signal
Keyboard
data
1
Mouse
data
N.C. 2
N.C.
GND 3
GND
5V 4
5V
Mouse (top)
Keyboard (bottom)
Keyboard
clock
5
Mouse
clock
N.C. 6
N.C.
CN1 J3: COM1/2 Serial Ports
CN1 (COM1) is a DB-9 connector, while J3 are COM pin-header
connectors.
CN1 (COM1) is a DB-9 connector, while J3 are COM pin-header
connectors.
Signal
Name
Pin
# Pin
#
Signal
Name
DCD,
Data
carrier
detect
1
6
DSR,
Data
set
ready
RXD,
Receive
data
2
7 RTS,
Request
to
send
TXD,
Transmit
data
3
8
CTS,
Clear
to
send
DTR,
Data
terminal
ready 4
9
RI,
Ring
indicator
GND, ground
5 10
Not Used
J3: COM2 is jumper selectable for RS-232, RS-422 and RS-485.
Pin #
Signal Name
RS-232
R2-422
RS-485
1
DCD
TX-
DATA-
2
RX
TX+
DATA+
3
TX
RX+
NC
4
DTR
RX-
NC
5
Ground
Ground
Ground
6
DSR
RTS-
NC
7
RTS
RTS+
NC
8
CTS
CTS+
NC
9
RI
CTS-
NC
10 NC
NC
NC
2807700 User’s Manual
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