| 385 / | HD | OPTICAL WAVEGUIDES |
| 53 | DF | WITH DISENGAGABLE MECHANICAL CONNECTOR {4} |
| 55 | DF | .~ Structure surrounding optical fiber-to-fiber connection {4} |
| 56 | DF | .~.~ Multi-part (e.g., two pieces screwed together or bayonet latched) {3} |
| 69 | ![]() | .~.~.~ With additional structure rearward of fiber joint to secure additional cable layers |