12 ms·
T1s are not analog and they were either invented or starting to be deployed in 1962.
by tenebrisalietum 5y ago
T1s are not analog and they were either invented or starting to be deployed in 1962.
- riffic 5y agothere were previous systems in place before T-carrier: https://en.wikipedia.org/wiki/Carrier_system https://en.wikipedia.org/wiki/Carrier_system https://en.wikipedia.org/wiki/L-carrier https://en.wikipedia.org/wiki/L-carrier http://long-lines.net/tech-equip/misc/J-Carrier.html http://long-lines.net/tech-equip/misc/J-Carrier.html