Only on negative ground positive return pulse width modulated power system.  

From: Adam Moffett 
Sent: Thursday, May 21, 2020 12:10 PM
To: [email protected] 
Subject: Re: [AFMUG] Tx/Rx

So rule of thumb is Tx to Rx unless the designer was dumb?





On 5/21/2020 2:08 PM, Mike Hammett wrote:

  So dumb...




  -----
  Mike Hammett
  Intelligent Computing Solutions

  Midwest Internet Exchange

  The Brothers WISP






------------------------------------------------------------------------------

  From: "Adam Moffett" mailto:[email protected]
  To: [email protected]
  Sent: Thursday, May 21, 2020 1:06:53 PM
  Subject: Re: [AFMUG] Tx/Rx


  Harris Stratex microwave comes to mind.  The T3 connection to the Cisco 
needed to be Tx to Tx. And Rx to Rx.






  On 5/21/2020 2:02 PM, Steve Jones wrote:

    Ive never seen a tx port wanting the remote side to do the Tx, do you have 
any reference devices?

    On Thu, May 21, 2020 at 12:48 PM Adam Moffett <[email protected]> wrote:

      Sometimes when a port is labeled "Tx" they mean "this port transmits".

      Sometimes when a port is labeled "Tx" they mean "connect the transmit 
      from your other device here".

      So sometimes you have equipment wanting cabling from Tx to Tx, and other 
      times you want Tx to Rx.  Is there some standard or rule of thumb for 
      when it's done one way or the other?  Or is it just a toss up?


      -Adam



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