hey, On Fri, Aug 22, 2008 at 11:19:24AM +0300, Lars Nood??n wrote: > Maurice Janssen wrote: > > On Friday, August 22, 2008 at 10:55:37 +0300, Lars Nood??n wrote: > >> I'm looking into a project that appears to require two PCI cards > >> operating at the same time: one 4 port serial PCI card and one PCI Dual > >> ethernet board. > > > > Why not use serial ports over USB? > > That might be an option. Which hardware gives 4 serial ports from 1 USB?
there is various weird hardware on the market: Serial to Ethernet CONVERTER - 4 port RS232/422/485 - 10/100 Mbps or what you are looking for: USB TO 7 PORT RS-232 DB9M (there is also a 4 port version I think) For a picture, see http://soekris.kd85.com/images/sunix-7port-serial2usb.jpg In your case you could use a quad ethernet port with a 5501, giving you 7 + 1 ethernet ports + a USB 2 serial for 7 serial ports. There is also one extra serial port onboard of the soekris that you could use. Downside is that is all becomes a bit of a cable salad, or you have to put everything in a rackmounted case * Support USB 1.1 full speed and USB 2.0 compatible * Support wake on line & power management function * Embedded ESD surge protection built-in * Support hot-swapping & plug-n-play * No IRQ, DMA, I/O, address resources required * Dual data buffers for upstream and downstream data flow * Support Microsoft Windows and Linux USB Communication Bus Interface Universal Serial Bus Standard USB 1.0/1.1/2.0 compatible Connector USB tupe Mini B Speed Full Speed 12 Mbps Serial Communication Interface RS 232 Controller 16c550 compatible UART Number of port 7 ports Port Type DB9M IRQ & I/O Address BIOS assigned FIFO 16 byte hardware FIFO Baud Rate up to 115 Kbps Data bit 4, 6, 7, 8 Stop Bit 1, 1.5, 2 Parity None, Odd, Even, Space, Mark Flow Control None, Xon/Xoff, RTS/CTS Signal Line Tx, Rx, RTS, CTS, DTR, DSR, DCR, DCD, RI, GND Protection 15 KV embedded ESD surge protection LED Indicator LED Light Red for Tx, Green for Rx, Orange for full-duplex Power Specification Input Power USB Power 5V DC jack Power Consumption <0.7W=5V x 130mA Mechanical Dimension 180 x 70 x 26 mm Housing ABS _______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
