How to Power Passive Optical LAN

How to Power Passive Optical LAN

Passive optical LAN may be the future-proof answer to networking, but without the right power solutions, its value can be greatly diminished. To address this important issue, APOLAN pulled together three top industry professionals to offer a 360-degree webinar titled Powering Considerations For Passive Optical LAN.”

Presenters at this seminar were Cemil Canturk, a Senior Marketing Manager at Nokia who is responsible for Passive Optical LAN Marketing; Kevin Borders, Vice President of Marketing for Alpha Technologies; and Scott Fitzgerald, a Senior Engineer and Manager of Product Management for Optical Cable Corporations.

Among the topics covered:

  • An explanation of the values and difficulties of local powering of ONTs (optical network terminals) versus remote powering; as well as the role battery back-up has in this process.
  • A rundown of where power is necessary when structuring a POL and a checklist of equipment needed for configuring both local and remote powering; also, a look at design options and an outline of what is needed to achieve different reach distances.
  • Additional safety and design considerations, including wire size and voltage drop; fiber count and type; buffered fiber or subunit choices; flame ratings; fiber and wire management; and ONT connections

In addition, webinar participants were surveyed to give a quick-hit look of how industry pros are approaching various POL powering issues.

Highlights include:

  • A majority of those surveyed (51 percent) said that they require back-up batteries in installations more than 75 percent of the time.
  • 54 percent said that either all (15 percent) or most (39 percent) of end points required backup power. Only 17 percent said very few end points needed it.
  • 40 percent would re-use existing CAT cable to power a POL circuit. Though a large number of those questioned (35 percent) said they weren’t sure.
  • SMF composite cable is the prime choice for remote powering of ONTs. 62 percent said they’d use SMF, while just 6 percent would opt for CATx Cable. Approximately 34 percent would choose a hybrid.

You can watch the complete webinar by clicking right here.

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