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// Broadcast Connectors

Triaxial Camera Cable (Triax)

Triaxial (Triax) cable and connectors are used in broadcast cameras to carry video, tally, audio, power, intercom, and control over a single multi-layer coaxial cable, eliminating separate cables for each function.

// Specifications
Standard
SMPTE 311M
Layers
Triple coaxial (center, inner shield, outer shield)
Carries
Video, audio, power, intercom, tally, control
Connector
Fischer or LEMO circular
Use Case
ENG cameras, studio cameras
Distance
Up to 1km
// Pin Reference Table
Pin Name Function Type
1 Center HD-SDI video return (camera to CCU) BUS
2 Inner Shield Uplink data, power, audio, control BUS
3 Outer Shield Ground and shield GND