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62 Chapter 5: Matrox 4Sight-M hardware reference
I/O interfaces
Matrox 4Sight-M integrates two serial ports, an audio interface, an internal
connector for a parallel port, and six USB ports. In addition, an auxiliary I/O
connector, featuring support for 32 auxiliary I/Os, is present.
Serial ports
Matrox 4Sight-M integrates two serial ports, the driver and the receiver of which
are always enabled. Each interface is controlled by a Universal Asynchronous
Receiver-Transmitter (UART) device, which converts serial data into parallel data
when receiving information. Conversely, when transmitting information, the
UART converts parallel data to serial data. The Matrox 4Sight-M motherboard
integrates 16550/16450-compatible UARTs, which feature independently
programmable baud rates (maximum baud rate = 115 200 bps) and internal
16-byte FIFO memory buffers.
Both serial ports conform to the RS-232 interface standard. RS-232 is capable of
sending and receiving information to and from local devices. Each port supports
a single device (point-to-point connections), and data communication is
single-ended.
The bottom serial port can also be configured for the RS-422/RS-485 interface
standard by adjusting the internal dip switch to the required interface standard.
For more information on this particular internal dip switch, refer to the section
Connecting devices to the serial port in Chapter 2.
Gigabit Activity LED Lights green when connected to a network.
Blinks whenever packets are being transmitted or received.
Turns off when to the 10BaseT mode.
Gigabit connection LED Lights yellow when operating in 100BaseT mode.
Lights green when operating in 1000 Gigabit mode.
Turns off when operating in 10BaseT mode.
Turns off when operating in 10BaseT mode.
LEDs Description
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