Selfnet Blog

Nov 13, 2018

Connected In der Au to the dormitory network

Last Saturday (2018-11-10) we've connected the dormitory In der Au in Stuttgart-Untertürkheim to our network.

The new dormitory is connected with 10 GBit/s to our core network. We are currently investigating if the network outlets in the individual rooms are working properly. In some cases the outlets may be defective due to the usual wear and tear and are only capable of 10% (100 MBit/s of 1000 MBit/s) of the possible speed. Due to the previous overall uplink connection this was probably unnoticed.

If you live in the In der Au dormitory and notice that your device only has a link speed of 100 MBit/s (also called FastEthernet) instead of 1000 MBit/s (1 GBit/s or GigabitEthernet) please send an email to support@selfnet.de so we can have a look at the individual outlet in your room.

Switches in house A connecting the fiberoptic uplink from the outside the the rooms in house A and to the other switches in house B and C. Switch rack in house C being prepared for our switches. Switch rack in house C with our switches but unpatched. Switch rack in house C with switches and all patch cables neatly arranged for clarity when one has to debug a problem. Another photo of one of the switches in house A showing the fiberoptic uplink cable (bidi SFP+) and a DAC cable connecting it to the other switch Photo of the 2 switches in the rack in house B properly patched and operational.

May 03, 2018

Connected Anna-Herrigel-Haus to the dormitory network

Last Friday (2018-04-27) we connected the Anna-Herrigel-Haus to the dormitory network.

As with all newly connected dormitories we:

  • Checked the RJ45 LAN network outlets in all rooms using a measurement device.
  • Mounted the access switch into the rack which distributes the network connection from our fibre network.
  • Connected the optical fibers using optical transceivers. Most of the transceivers (SFP+) we buy are sold by Flexoptix. In this case we used 10G SFP+ BIDI LR LC, 10km, 1330 nm, singlemode transceivers.
  • Connected all patchpanel copper RJ45 LAN connectors (which on the other end lead to the network outlet in a room) to the switch.
  • Made sure everything works.

Switchroom with laptop connected via serial console to access switch to configure fiberoptic uplink. // Switchraum mit Laptop das über eine serielle Konsole mit dem Switch verbunden ist um den Glasfaser-Uplink einzurichten. Starting to patch the the copper RJ45 patchcables neatly between patchpanel and switch. // Während des Patchens der RJ45 Kupferkabel zwischen Patchpanel und Switch. Photo from outside of building. // Foto des Hauses vom Garten aus. Close up of operational switch showing neatly connected cables. // Nahansicht der Verkabelung. Completely patched and operational Switch fully patched with all cables. // Komplett angeschlossener Switch. plaque in the entrance area (translation from German): Until 1943 this was the "Jakobiheim", named after Margarethe Jakobi 1910 given to the female teachers of Canstatt, destroyed by bombs in 1943, the house could be rebuilt thanks to Anna Herrigel in 1953/54. // Gedenktafel im Eingangsbereich: Bis 1943 stand hier das "Jakobiheim", von Margarethe Jakobi 1910 den Cannstatter Lehrerinnen gestiftet, 1943 durch Fliegerbomben zerstört, konnte das Haus 1953/54 dank der tatkräftigen Bemühungen von Anna Herrigel wieder aufgebaut werden. Speedtest in progress showing a Download speed of 983.88 Mbit/s. // Speedtest im Gange der im Download 983,88 Mbit/s anzeigt.

Mar 19, 2018

Einladung zur Mitgliederversammlung 2018 / Invitation to our general meeting of 2018

(English translation below.)

Liebes Mitglied,

anbei erhältst Du die Einladung zur ordentlichen Mitgliederversammlung 2018. Wir hoffen auf zahlreiches Erscheinen.

Die Mitgliederversammlung wird sich dieses Jahr auch mit Satzungsänderungen befassen. Die vorgeschlagenen Änderungen kann man im Anhang des Einladungsschreibens (PDF) einsehen.

Termin: Mittwoch, den 18. April 2018 um 19:00 Uhr
Ort: Ökumenisches Zentrum, Allmandring 6, 70569 Stuttgart

PDF Einladungsschreiben

Mit freundlichen Grüßen,
Selfnet e.V.
Der Vorstand


English version

Dear Member,

please find attached the invitation to our general meeting of 2018. Please note that this meeting will be in German language only. However, the topics that will be discussed include:

  1. reception and establishing decision capability
  2. report about what the club did in the year 2017/2018
    1. report by the elected board of directors
    2. treasurer's report
    3. report of data protection commissioner
  3. report of the financial auditors
  4. exoneration of the elected board of directors
  5. proposals for changing the clubs statutes
  6. election of new board of directors
  7. prospect for the next year 2018/2019
  8. information about connecting new dormitories
  9. resolution regarding the future orientation of Selfnet e.V.
  10. checking the presence of all keys
  11. miscellaneous

Please note that this general meeting will include proposals for changing the clubs statutes. See attached document for the proposals.

Date: Wednesday, 18th of April 2018 at 7:00 PM
Location: Ökumenisches Zentrum, Allmandring 6, 70569 Stuttgart

PDF invitation

Sincerely,
Selfnet e.V.
Board of Directors

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