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MB893 User’s Manual 17
CN12: COM1 Connector
CN12 (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
CN13: Slim Type II Compact Flash Connector
J1: PICMG 2.0 Gold Finger (to IP320)
J2: VGA CRT Connector
J2 is a 15-pin header for an external VGA CRT female connector.
Signal Name Pin Pin Signal Name
Red 1 2 Vcc
Green 3 4 Ground
Blue 5 6 N.C.
N.C. 7 8 N.C.
Ground 9 10 H-Sync
Ground 11 12 V-Sync
Ground 13 14 N.C.
Ground 15 16 N.C.
J3: USB Connector
The J3 pin header supports two USB 2.0 ports.
Signal Name Pin Pin Signal Name
Vcc 1 5 Ground
USB0- 2 6 USB1+
USB0+ 3 7 USB1-
J3
Ground 4 8 Vcc