2020 mugshot: an ivory 400-series handset

The phone in my ‘mugshot’ this year is, like me, quite a relic. It’s an ivory-coloured handset from a 400-series phone. At the start of last century telephones were typically constructed of timber or metal. It wasn’t until the late 1920’s that the British Siemens company developed the first plastic phone, made of a “thermo …

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Our annual housewarming – the DHMG

Rocky and I bought our first home together back in late 1995. It was a lovely 3-bedroom semi-detached house in one of the inner-western suburbs of Sydney. We found ourselves holding a housewarming for it in January 1996, and for some reason lost to history we settled on a parody / lampooning of the poster …

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DHMG2019 – the Disco Death Star – Pt.2

This is part 2 of a 2-part series covering how we built the “Disco Death Star”: Part 1 – The Build – construction and assembly Part 2 – Control, programming & examples – (this post) The controller Here’s the final version of the control PCB. It’s a bit of a dog’s breakfast, but it’s what …

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DHMG2019 – the Disco Death Star – Pt.1

If you’re new to the “DHMG” – our annual housewarming party – and its attendant excuse for some crazy home-brew tech, there’s some back-story and an index of the things we’ve done here.   This is part 1 of a 2-part series covering 2019’s “Disco Death Star”: Part 1 – The Build – construction and …

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Auto-shutdown an unused SBA

I’m encountering a growing number of customers upgrading and centralising their Skype for Business infrastructure, and as part of that they’re decommissioning their Survivable Branch Appliances. At some stage I’ll be asked how they can turn off the SBA, which in the case of the Sonus/Ribbon SBAs is running on a daughter-board inside the appliance …

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