M2M

M2M Evolution Week in Review: IBM, Harris Poll, Konekt

It’s a short week here at M2M Evolution, but that doesn’t mean it hasn’t been exciting. We had lead stories on some amazing battery technology, a sweet IoT DIY Kickstarter campaign, bionic ants and an update on IBM’s $3 billion bet on M2M, to name just a few. Let’s start with the big dollar figure. […]

4G & 5G Wireless

Comparison of LTE and WiMAX

1. Comparison of LTE Rel-8 and WiMAX 802.16e There are a lot of commonalities between LTE Rel-8 and WiMAX, but there are some notable differences. For example: LTE uses SC-FDMA for the uplink, whereas mobile WiMAX uses OFDMA. LTE user equipment (SC-FDMA) has a lower peak-to-average-power ratio when compared to mobile WiMAX user equipment (OFDMA), […]

M2M WHAT-IS

What is M2M (Machine to Machine)

M2M Introduction Machine to machine (M2M) is a broad label that can be used to describe any technology that enables networked devices to exchange information and perform actions without the manual assistance of humans. In other terms: M2M refers to technologies that allow both wireless and wired systems to communicate with other devices of the […]

Fiber Splicing

Fusion Splicer Error message list

Sumitomo Fusion Splicer Error Message List Please contact maintenance service center when it is not recovered if you take the measures below. Error message Description and measure Alignment Error (L)(R)(LR) [Description] There is dust in the V-groove. There is dust on the fiber. [Measure] Clean the V-groove. Re-cleave the fiber. Brightness Error Brightness Various Error […]

Test and Measurements

EXFO OTDR Troubleshooting

Problem Cause Solution The application displays a message indicating that a “Non-resolved fiber end” event has been found. The fiber under test is too long. Ensure that the fiber under test is shorter than the maximum length the OTDR can measure. The application displays a message indicating that a “live fiber error” occurred and the […]

Test and Measurements

OTDR Solución de problemas

Issue Cause Solution The application displays a message indicating that it has found an event of “fiber end unresolved “. The fiber under test is too long. Make sure the length of the fiber under test is less than the  maximum length the OTDR can measure. A message indicating that there has been a “live […]

Test and Measurements

OTDR Поиск и устранение неисправностей

Решение распространенных проблем Проблема Причина Решение Приложение ото-бражает сообще-ние о том, что обнаружено собы-тие «Не разре-шенный конецволокна». Тестируемое волокно слишком длинное. Убедитесь в том, что длина тестируемого волокна меньше максимальной длины изме-ряемой OTDR (оптический временной реф-лектометр). Приложение отобразило сооб-щение, уведомля-ющее о возникновении «ошибки актив-ного волокна», и то, что волокно не было подключено к порту SM […]

Test and Measurements

OTDR Mantenimiento

Mantenimiento Para un funcionamiento duradero y sin problemas: Examine siempre los conectores de fibra óptica antes de utilizarlos y límpielos si es necesario. Evite que se acumule polvo en la unidad. Limpie la carcasa y el panel frontal de la unidad con un paño ligeramente humedecido con agua. Almacene la unidad a temperatura ambiente en […]

Test and Measurements

ORDR Техническое обслуживание

Для обеспечения продолжительной безотказной работы необходимо выполнять перечисленные ниже действия: Перед началом работы всегда обследуйте волоконно-оптические разъемы и, при необходимости, очищайте их. Не допускайте попадания пыли в устройство. Чистите корпус устройства и переднюю панель тряпкой, слегка смоченной водой. Храните устройство при комнатной температуре в чистом и сухом месте. Не допускайте попадания прямых солнечных лучей на […]

Test and Measurements

EXFO OTDR Maintenance

OTDR connector cleaning, recalibrating To help ensure exfo OTDR long, trouble-free operation: Always inspect fiber-optic connectors before using them and clean them if necessary. Keep the unit free of dust. Clean the unit casing and front panel with a cloth slightly dampened with water. Store unit at room temperature in a clean and dry area. […]