Re: So I whip out a FTDI-based multiport Serial USB Adapter.... [SB QUAR: Tue Feb 5 10:15:47 2013]

2013-02-06 Thread Karl Denninger
On 2/5/2013 11:25 AM, CeDeROM wrote: On Tue, Feb 5, 2013 at 6:09 PM, Karl Denninger k...@denninger.net wrote: The FTDI adapter has the provision for an external power supply (+5V) but it does not require it unless you're running off an unpowered bus, which is not normally the case. 500ma is

Re: So I whip out a FTDI-based multiport Serial USB Adapter.... [SB QUAR: Tue Feb 5 10:15:47 2013]

2013-02-05 Thread Karl Denninger
On 2/5/2013 10:15 AM, Chris H wrote: On 2/4/2013 9:33 PM, Karl Denninger wrote: On 2/4/2013 9:02 PM, Karl Denninger wrote: On 2/4/2013 4:32 PM, Charles Sprickman wrote: These multiport things have been around for a long time. Someone at ISC recommended them when we were looking to replace

Re: So I whip out a FTDI-based multiport Serial USB Adapter.... [SB QUAR: Tue Feb 5 10:15:47 2013]

2013-02-05 Thread chrish
On 2/5/2013 10:15 AM, Chris H wrote: On 2/4/2013 9:33 PM, Karl Denninger wrote: On 2/4/2013 9:02 PM, Karl Denninger wrote: On 2/4/2013 4:32 PM, Charles Sprickman wrote: These multiport things have been around for a long time. Someone at ISC recommended them when we were looking to

Re: So I whip out a FTDI-based multiport Serial USB Adapter.... [SB QUAR: Tue Feb 5 10:15:47 2013]

2013-02-05 Thread Chris H
On 2/5/2013 10:15 AM, Chris H wrote: On 2/4/2013 9:33 PM, Karl Denninger wrote: On 2/4/2013 9:02 PM, Karl Denninger wrote: On 2/4/2013 4:32 PM, Charles Sprickman wrote: These multiport things have been around for a long time. Someone at ISC recommended them when we were looking to

Re: So I whip out a FTDI-based multiport Serial USB Adapter.... [SB QUAR: Tue Feb 5 10:15:47 2013]

2013-02-05 Thread CeDeROM
On Tue, Feb 5, 2013 at 5:27 PM, chr...@ultimatedns.net wrote: Understood. I was referring to the _computers_ power supply. :) Still it may be caused by some issued on the USB bus power management. Normally an USB port can supply 500mA of current. Above that port should be disabled by the host

Re: So I whip out a FTDI-based multiport Serial USB Adapter.... [SB QUAR: Tue Feb 5 10:15:47 2013]

2013-02-05 Thread Karl Denninger
On 2/5/2013 10:44 AM, CeDeROM wrote: On Tue, Feb 5, 2013 at 5:27 PM, chr...@ultimatedns.net wrote: Understood. I was referring to the _computers_ power supply. :) Still it may be caused by some issued on the USB bus power management. Normally an USB port can supply 500mA of current. Above

Re: So I whip out a FTDI-based multiport Serial USB Adapter.... [SB QUAR: Tue Feb 5 10:15:47 2013]

2013-02-05 Thread CeDeROM
On Tue, Feb 5, 2013 at 6:09 PM, Karl Denninger k...@denninger.net wrote: The FTDI adapter has the provision for an external power supply (+5V) but it does not require it unless you're running off an unpowered bus, which is not normally the case. 500ma is quite a bit of available energy. Karl,