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Chapter 5 Installation
5.3 J2: USB Connector
J2 is the standard USB external connector consisting of two ports. USB
support allows connections of up to 64 plug and play external
peripherals per channel. The following table shows the pin outs of
these ports.
Port 1
Port 2
5.4 J3, J5: Serial Ports
The onboard serial ports of the MI7VGA, J3 and J5, are two DB-9
external connectors. The following table shows the pin-out assignments
of the these connectors.
Signal Name
DCD, Data carrier detect
RXD, Receive data
TXD, Transmit data
DTR, Data terminal ready
GND, ground
20
Pin #
1
2
3
4
J3 (COM1)
J5 (COM2)
Pin #
1
2
3
4
5
Signal Name
Vcc
USB-
USB+
Ground
Pin #
Signal Name
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
RI, Ring indicator
10
Not Used
MI7VGA User's Manual
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