# TPC/IP connection Velserv - Velbuslink not working

**URL:** <https://forum.velbus.eu/t/tpc-ip-connection-velserv-velbuslink-not-working/17488>\
**Category:** For developers\
**Created:** [July 2, 2024, 10:01am UTC](https://forum.velbus.eu/t/tpc-ip-connection-velserv-velbuslink-not-working/17488 "2024-07-02T10:01:07Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![jvelbus](https://forum.velbus.eu/letter_avatar_proxy/v4/letter/j/34f0e0/32.png) [@jvelbus](https://forum.velbus.eu/u/jvelbus)\
**Post date:** [July 9, 2024, 6:31pm UTC](https://forum.velbus.eu/t/tpc-ip-connection-velserv-velbuslink-not-working/17488/15 "2024-07-09T18:31:03Z")

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Good evening,  
Sorry for my late reaction. Indeed there is no by-id only by-path.

‘ls -l /dev/serial/by-path/’ gave me:

 ![afbeelding](https://forum.velbus.eu/uploads/default/original/2X/b/bf1bda5ceb1fa0a7dd3326abdb67a0b9c2b04795.png)

The ‘/dev/ttyUSB0’ is for my Smart Meter.

@MDAR; I will try another cable tomorrow and I come back to you.

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