User`s manual

INSTALLATIONS
SYS_FAN2: System Fan2 Power Connector
14 MI950 User’s Manual
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection
CN1: Serial Ports(COM1)
CN1 (COM1) is a DB-9 connector,
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
J2: 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 NC NC
7 RTS NC NC
8 CTS NC NC
9 RI NC NC
10 NC NC NC