# TS16 MEI cutting-off telnet commands after 16 characters

**URL:** <https://forums.digi.com/t/ts16-mei-cutting-off-telnet-commands-after-16-characters/12569>\
**Category:** Portserver TS\
**Tags:** portserver, command, cut-off\
**Created:** [February 21, 2014, 7:02am UTC](https://forums.digi.com/t/ts16-mei-cutting-off-telnet-commands-after-16-characters/12569 "2014-02-21T07:02:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![DrumFrog](https://avatars.discourse-cdn.com/v4/letter/d/c37758/32.png) [@DrumFrog](https://forums.digi.com/u/DrumFrog)\
**Post date:** [February 21, 2014, 7:02am UTC](https://forums.digi.com/t/ts16-mei-cutting-off-telnet-commands-after-16-characters/12569/1 "2014-02-21T07:02:19Z")

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We are using PortServer TS 16 MEI in a test automation environment to send CLI commands to our devices under test. We observed that the Port server cuts-off our command sequences after 16 characters sporadically, by that completely stopping our test (as no EOL was sent, the command is not executed until a manual press on ‘Enter’).

As we have quite some devices under test in parallel running a big number of commands, this has a big impact on our test automation, so we are currently evaluating replacing all Digi Servers by something else.

Any ideas about it?

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<div class="post-metadata">

**Author:** ![DrumFrog](https://avatars.discourse-cdn.com/v4/letter/d/c37758/32.png) [@DrumFrog](https://forums.digi.com/u/DrumFrog)\
**Post date:** [February 24, 2014, 8:54am UTC](https://forums.digi.com/t/ts16-mei-cutting-off-telnet-commands-after-16-characters/12569/2 "2014-02-24T08:54:27Z")

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seems the problem was caused by a serial chip used in our DUT that has a FIFO serial buffer limited to 16 Bytes.

Topic can be closed.