Maxim M30B Especificaciones descargar pdf (Pagina 9)

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DS33M33DK

Rev: 102108 9 of 48

6. Line-Side Connections

The DS33M33DK has two optical ports: one Ethernet port and three T3E3 ports.

7. System Connectors

System-side signals can be accessed from test point headers. The headers are clearly labeled with signal

information.

8. Microcontroller

The microcontroller has factory-installed firmware in on-chip nonvolatile memory. This firmware translates memory

access requests from the RS-232 serial port into register accesses on the DS33M33 and the FPGAs.

9. Power-Supply Connectors

Connect a 5.0V wall adapter to the PCB power jack. LED DS1 provides indications that a 5.0V supply is connected

properly. The board power supplies (3.3V, 2.5V, and 1.8V) are regulated to supply proper voltages to various

circuits on the board.

10. Connecting to a Computer

Both USB and serial modes are supported.

To connect through a RS-232 serial port, set jumpers JP25 and JP26 jumpers to pins 1+2, identified in the

silkscreen as UART,PROC. Connect a standard DB-9 serial cable between the serial port on the DS33M33DK and

an available serial port on the host computer. The host computer must be a Windows-based PC. Be sure the cable

is a standard straight-through cable rather than a null-modem cable. Null-modem cables prevent proper operation.

To connect through USB, set jumpers JP25 and JP26 jumpers to pins 3+2, identified in the silkscreen as

USB,PROC. Connect a USB cable between the DS33M33DK USB connector and the PC. The host computer must

be a Windows-based PC, which should automatically recognize the device as a virtual com port and assign the

device drivers. If drivers are not automatically assigned, direct the New Hardware wizard to the driver files on the

CD in the folder marked USBdrivers_CP210x.

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Maxim M30B Especificaciones Pagina 9