Early Vid: Merlin Expansion Cartridges (Patreon)

Merlin Expansion Cartridges

Taking a look at some of the expansion cartridges available for the AT&T Merlin Classic telephone system from the early 1980s. We'll use a Model 410 control box to test Feature Packages 1 & 2, Music On Hold, and Power Fail Line cartridges (Cartridge Types I, II, and III). Check me out on Patreon: https://www.patreon.com/clabretro Music by Karl Casey @ White Bat Audio #netro #retrotech #retrocomputer #networking #homelab Serial to USB converter: https://amzn.to/4mAXDlJ Rack stuff StarTech Universal Rack Rails: https://amzn.to/404JV1Q StarTech 42U Rack: https://amzn.to/482c3oh StarTech 25U Rack: https://amzn.to/3mEB7hS Tripp Lite SMART1500LCD UPS: https://amzn.to/3KZW3Jw 1U 24 Port Patch Panel: https://amzn.to/3Nm0bFa 1U Brush Panel: https://amzn.to/3mExAA3 1U Rack Shelf: https://amzn.to/3oaDclT Video gear Camera: https://amzn.to/4al3xjA Main mics: https://amzn.to/4dCUuO2 Desk mic: https://amzn.to/3ye8BsV Note: The above are Amazon affiliate links. It doesn't cost you extra, but I'll receive a commission which will help keep the content coming. I only link to things I've personally ordered. 00:00 AT&T Merlin Cartridge Types 04:33 Feature Package 1 (Transferring) 09:05 Feature Package 2 (Ringtons) 12:45 Merlin Voice Terminals 17:08 Different Ring Tones 18:11 Music on Hold 27:58 Cartidge Type III (Power Fail Lines) 32:44 Homelab Telecom Overview 37:21 Final Thoughts