The OTDR launch fiber box is used with optical time domain reflectometers to help minimize the effects of the OTDR launch pulse on measurement uncertainty.

Units are available in any length up to 4km and housed in a r ed, airtight or watertight carry case.

Specification:
1. Connector type: SC, LC, ST, FC, E2000. MPO etc
2. Length: from 100m to 4KM
3. Water resistant, crushproof and dust proof
4. Material: SR Polypropylene
5. Color: Black/Yellow
6. Operating temperature -40°C to +80°C
7. Type of fiber: corning SMF-28
8. Lead length: 1m-5m, outside diameter 2.0mm or 3.0mm
9. G652 type fiber.
10. Back Reflection(RL) < -55 DB
11. GR-326 Standard

(1) Apex offset: 0 - 50 um
(2) Radius of curvature 7 – 25 nm
(3) Fiber roughness: 0 – 25 nm
(4) Ferrule roughness: 0-50 nm