| 385 / | HD | OPTICAL WAVEGUIDES |
| 53 | DF | WITH DISENGAGABLE MECHANICAL CONNECTOR {4} |
| 55 | ![]() | .~ Structure surrounding optical fiber-to-fiber connection {4} |
| 56 | DF | .~.~> Multi-part (e.g., two pieces screwed together or bayonet latched) {3} |
| 70 | DF | .~.~> With additional structure at or immediately surrounding each optical fiber end face {2} |
| 73 | DF | .~.~> With additional optical element between facing fiber ends {1} |
| 75 | DF | .~.~> With additional nonoptical structure |