12G-SDI (SMPTE 2082-1) carries 4K video at up to 60fps over a single BNC cable at 12 Gbps. Used in 4K broadcast cameras, routers, and monitors. Requires low-loss cable for full distances.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Center Pin | 12G-SDI serial digital video signal | BUS |
| 2 | Outer Shell | Ground / shield | GND |