On Mon, Aug 1, 2016 at 7:03 PM, Jeremy Porter <[email protected]> wrote:
> There is an on-board UART to USB converter on the > RCC-VE/DFFv2/4860/8880/2440/2220. This is wired directly to the > chipset uart on the Rangely, at system voltage levels, not at RS232 > levels. (The USB convert chip is cost comparable to a RS-232 voltage > driver chip in cost, and has a smaller board footprint.) Additionally > the connect takes up less back-panel space. > > There are no test points brought out, if there were you would need a > level shifter, and an isolator to protect the SOC. > > Most modern systems have USB Host ports, which is all that is required > for the USB serial interface to work. Any small system, can manage > quite a few hosts with a powered usb hub. (We actually use Beaglebone > black as terminal servers). We actually switched all our remaining > terminal server systems over to these types, by getting a rack-mount 32 > port USB to RS-232 converter. > > Can you explain to me the last statement? You now use a Beaglebone as the server, and manage the rest of your RS-232 terminal types with the Beaglebone too. With the 32 port USB to RS-232 converter? _______________________________________________ pfSense mailing list https://lists.pfsense.org/mailman/listinfo/list Support the project with Gold! https://pfsense.org/gold
