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   LaF0rge (laf0rge@chaos.social)'s status on Monday, 06-Jan-2025 01:53:48 JST LaF0rge

   At #38C3 I received a new addidion to my #ISDN related #retronetworking collection of vintage tech: A Siemens K4301 Up0/S0 error meter: https://osmocom.org/projects/retronetworking/wiki/Siemens_K4301

   • James Morris likes this.
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     LaF0rge (laf0rge@chaos.social)'s status on Monday, 06-Jan-2025 04:27:13 JST LaF0rge

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     • Marcus Müller

     @funkylab I don't have a clear indication of the year yet either, sorry. Given it has TAE-8 (Bu5, used in national 1TR6 ISDN) and UAE8/8P4C (Bu4, used in EDSS1 Euro ISDN), I guess it must be at a time when both were popular. So I'd guess 1992 onwards?

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     Marcus Müller (funkylab@mastodon.social)'s status on Monday, 06-Jan-2025 04:27:14 JST Marcus Müller

     in reply to

     @LaF0rge I'm having a hard time putting a year to this: Obviously, pre-1993, due to the old post code, probably pre-1991 due to the "made in W-Germany", the English labelling says "(E)DSS1 era", i.e., post-1991?, the plastic colour makes it a "modern look" from the mid-1970s to the late 1980s, so a Siemens-modern look probably mid-1980s to late 2000s.
     8P8C Bu4 puts it proooobably more on the modern side, and whatever Bu6 is.

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     winfreak@chaos.social's status on Monday, 06-Jan-2025 05:39:51 JST winfreak

     in reply to

     • Cursed Silicon

     @CursedSilicon One more piece of gear for you to enjoy!