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Entry  Mon Jan 6 15:36:55 2020, Jon, Update, PSL, Assembly underway for c1psl upgrade 
    Reply  Mon Jan 6 16:07:12 2020, gautam, Update, PSL, Assembly underway for c1psl upgrade 
       Reply  Mon Jan 6 19:05:09 2020, not gautam, Update, PSL, Assembly underway for c1psl upgrade 
    Reply  Fri Jan 10 19:48:46 2020, yehonathan, Update, PSL, Assembly underway for c1psl upgrade 20200110_194429.jpg20200110_194516_HDR.jpg
       Reply  Mon Jan 13 16:05:18 2020, yehonathan, Update, PSL, Assembly underway for c1psl upgrade 
          Reply  Tue Jan 14 17:16:43 2020, yehonathan, Update, PSL, Assembly underway for c1psl upgrade 
             Reply  Wed Jan 15 10:12:46 2020, gautam, Update, PSL, Assembly underway for c1psl upgrade 
                Reply  Wed Jan 15 16:08:40 2020, not gautam, Update, PSL, Assembly underway for c1psl upgrade 
Message ID: 15124     Entry time: Wed Jan 15 10:12:46 2020     In reply to: 15120     Reply to this: 15127
Author: gautam 
Type: Update 
Category: PSL 
Subject: Assembly underway for c1psl upgrade 

I don't think this is an accurate statement. XT1111 modules have sinking digital outputs, while XT1121 modules have sourcing digital outputs. Depending on the requirement, the appropriate units should be used. I believe the XT1111 is the appropriate choice for most of our circuits.

For digital outputs, one should XT1121. XT1111 should be used for digital inputs.

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