Please email your question to AskFOC@focenter.com and we will respond ASAP. In addition to replying, we will post your question and our answer here on the AskFOC page. Everyone remains anonymous when we post so feel comfortable asking your questions. You can also search to see if your question has already been answered in the FAQs section below.
QUESTION:
What is the “weakest link” of a connectorized cable assembly?
ANSWER:
In terms of long-term reliability, the “weakest link” of a connectorized cable assembly is the area within the ferrule which contains the strip “transition point”...
QUESTION: Does FOC has some epoxy curing tips for when issues occur?
ANSWER:
Tips regarding epoxy curing issues:
To validate your epoxy curing process, we recommend following the Telcordia GR-326 adhesive testing standard (section 4.4.4.2).
Avoid...
QUESTION: What happens if you have too much epoxy inside the ferrule holder?
ANSWER:
Too much epoxy inside the ferrule holder can lead to other issues—for example, the inserted fibers will displace the injected epoxy so that it flows out the rear of the...
QUESTION: What size syringe needle should I use for injecting epoxy into connectors?
ANSWER:
Most common connectors are machined to accept buffer tubes of 0.9mm (900um, or 0.036”) diameter. Thus, it is recommended to use similar diameter...
QUESTION:
Are there different geometry parameter measurements for PC ferrules and APC ferrules?
ANSWER:
With PC ferrules, we commonly measure three geometry parameters: Radius, Apex Offset and Fiber Height. With APC ferrules, we measure these three...
QUESTION: Fiber Optic Center promotes/sells the Viavi Sidewinder but I have heard that some people are using and happy with the Sumix Manta. Do you also sell that or know the differences between them?
ANSWER:
FOC has selected the Viavi...
QUESTION:
Where does the contamination come from in the normal polishing process?
ANSWER:
Contamination is primarily a natural result of the normal polishing process. Ferrules are polished on abrasive films or flock-pile pads impregnated with abrasives....
QUESTION:
How are the environments in which copper and optical cable are produced different?
ANSWER:
The environment in which copper and optical cable are produced is different. Dust and contaminants for optical fiber as well as moisture can create...
QUESTION: When you’re setting up your process and determining how much epoxy to dispense into a ferrule, how can you be sure you have the proper fill inside the ferrule?
ANSWER:
Here’s a simple tip: Use a scrap piece of 900-micron cable as a dipstick...
QUESTION:
What are the advantages and disadvantages of the different methods of cross-sectioning fiber optic connectors?
ANSWER:
All three methods of cross-sectioning fiber optic connectors have advantages and disadvantages highlighted here:
High...
