
#FOLBM625-ST-300
Fiber Optic Launch Box - OM1, ST, 300-m (984-ft.)
Move dead zones away from crucial connections and splices.
Product Features
- Use with an OTDR to overcome the problem of dead zones when testing fiber for faults.
- Add a second launch box to enable an OTDR to compare backscatter levels before and after the last reflective event.
- Move the dead zone away from crucial connections and splice points, providing your trace with accurate test results in areas where loss must be calculated.
- Includes watertight Pelicancase.
- Also available in 100-meter versions and with SC or LC connectors.
Product works with:
* Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 1-877-877-2269.

1 Year Double Diamond™ Warranty (Standard)
Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box.
Our Double Diamond Warranty* protects your Black Box® brand products from manufacturing and/or material defects.
The FOLBM625-ST-300 comes with a standard 1 Year Double Diamond Warranty*. During the warranty period, Black Box will repair or replace your damaged equipment at NO CHARGE!*
What’s more, we also have a 30-day return policy on most products. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package to receive a full refund.** Click here to find your local sales office to obtain a Return Authorization.
Extended Double Diamond Warranty.
Extend the warranty on select products or protect eligible previously purchased Black Box® brand items for an additional year - at just 10% of the original purchase price or for three years for only 20% of the purchase price.
* Warranty subject to certain exclusions and limitations. Click here to view our full terms and conditions.
** Returns contingent upon specific exclusions and limitations. Click here to view our full return policy.