[Elecraft] K3s question

[Eric Swartz - WA6HHQ, Elecraft]

2.7 kHz 5-pole. ( The same as the original K3).

The DSP filter cascades after the crystal filter and can go down to 50 Hz.

73,

Eric
elecraft.com
_..._



> On May 18, 2015, at 9:49 PM, Robert Wood <woodr90 at gmail.com> wrote:
> 
> Wayne -  in K3s - what's the standard filter(s) that come with the rig???
> 
> W5AJ Robert
> 
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Wayne
> Burdick
> Sent: Friday, May 15, 2015 5:22 AM
> To: Jack Brindle
> Cc: Elecraft List
> Subject: Re: [Elecraft] K3s question
> 
> To ensure compatibility with existing stations, we supply an adapter cable
> with the K3S to convert from RJ45 to DE9. The DE9 end has the same pinout as
> the original RS232 jack on the K3.
> 
> Wayne
> N6KR
> 
> ----
> http://www.elecraft.com
> 
>> On May 15, 2015, at 1:17 AM, Jack Brindle <jackbrindle at me.com> wrote:
>> 
>> Not quite true. The EI232 spec as it is now called does indeed define the
> connector and pinouts in addition to signals and levels.
>> There are definitions included for DB-25, DE-9, RJ-45 and maybe a few 
>> others. Few vendors meet the entire spec, usually leaving out a few 
>> handshake signals. But, this still allows them to claim spec compliance as
> long as the signal levels meet the spec requirements.
>> 
>> RJ-45 serial ports have been shipped by a large number of vendors,
> including Sun Microsystems, HP and others.
>> 
>> - JackB, W6FB
>> 
>>> On May 14, 2015, at 9:50 PM, David Christ <radioham at mchsi.com> wrote:
>>> 
>>> The of an RJ-45 jack for a serial port is hardly innovative nor new.
> Lantronix has been using them for well over 15 years.  I will be interested
> to see if Elecraft uses the same pin assignments.
>>> 
>>> Remember, RS-232 is not a physical connector specification.  It defines
> the signals.
>>> 
>>> David K0LUM
>>> 
>>> 
>>>> On May 14, 2015, at 11:10 PM, Don Wilhelm <w3fpr at embarqmail.com> wrote:
>>>> 
>>>> That is an RJ-45 jack.  Even though the RJ-45 jack is also used for
> Ethernet, the fact that an RJ-45 jack is present does not state (or even
> imply) that it is an Ethernet connection - it is simply a compact 8 pin
> jack.
>>>> 
>>>> 73,
>>>> Don W3FPR
>>> 
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