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LEMO B Series Online@JAYCOR

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The LEMO B Series offers a modular, ergonomic, rugged and trustworthy circular multipole connector for applications needing quick and secure Push-Pull latching. It is an ideal choice for test and measurement, instrumentation, medical devices, research and audio/video applications.

The modular insert configurations comprise of a wide range of high-density multi-pole or hybrid electrical contacts. Contacts can be of solder type, crimp, PCB straight or PCB elbow, fibre, coaxial, thermocouple, pneumatic, fluidic or even high voltage type of contact.

Access an extensive range of the LEMO B Series connectors online with JAYCOR’s dynamic e-catalogue. Filter connector combinations by size, model, keying option, number of contacts and many other variables to suite your requirements. Check stock availability, pricing and order online.

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Ethernet Trends for Data Centre Technology

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40G and 100G Ethernet technology is no longer a distant vision for data centers – it is reality. As data centers of all types continue to expand in terms of traffic and size, 100G is set to become the new standard for high bandwidth and intelligent architecture. It will take some time to develop industry-wide, but 100G is well on its way.

In the initial development of 40G and 100G Ethernet, the IEEE 802.3 Ethernet working group considered only multimode optics and multimode fiber cable solutions (with a reach of up to 150m for 40G and 100m for 100G) for data center applications.

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The Unsung Hero of Rail Communication – Industrial Cable

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The transportation industry, unlike several other critical industrial operations, has the unique position of directly engaging with its passengers and keeping them happy and safe. Any delays in a transportation system not only lead to lost revenue but also a trickle-down effect of annoyed commuters, who can choose to spend their transportation budget someplace else.

Having nightmares about train delays, safety issues or interrupted passenger services? Customers are easily annoyed by issues, like inaccurate travel information, missed connections or lack of Wi-Fi.

Unless you oversee the overall operations of a railway system or you’re in charge of specifying a new or upgraded application– the reliability of the railway communication network rests on your shoulders. No matter your function in building out a proper Ethernet network, it can be easy to fall into the trap of focusing your attention on the “glossy” or more exciting components, like switches and routers. The duty those devices play can be exciting to discuss and debate – trust us, we get it!

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Additional Wireless Access Points: What It Means for Networks

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Ordinarily users will bring up to three devices with them – a smartphone, tablet and laptop, for instance – that will all connect to your network the minute you walks through your doors. (The average U.S. consumer now has 3.64 devices.) These devices are continuously downloading updates, receiving emails and synching to cloud-based storage. According to Dell’Oro, the number of wireless LAN active users is currently outpacing wired LAN users.

This fact alone proves the point that bandwidth capacity requirements are escalating– and we have not touched on the devices that are connecting to enterprise networks as a result of Internet of Things (IoT). VoIP phones, IP surveillance cameras, lighting systems and building controls are all connecting to networks to transfer data, receive data and adjust performance in real time.

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HDBaseT: Let’s talk Convergence

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There has been talk about convergence in the cabling world; some driven by new technology and market overlapping. Today’s system integrator has the ability to install a system that covers phones, computers, security, audio/video and also low-voltage power.

There are two types of convergence that we often discuss: technology and infrastructure.

Technology convergence uses a single network system, such as Ethernet, to support multiple devices. All of these devices share the same cable and active equipment. An example, you can now plug your desk phone and computer into the same telecom switch. Ethernet networks can support just about every aspect of communication, voice, data, security, building control and even AV applications. This is not the convergence we are talking about.   

Infrastructure convergence uses the same cable to support multiple systems. All sorts of devices connect to their own system using a common cabling system. The biggest type of communication cabling being used today is Ethenet category cable. While the entire system shares the same cable, the devices don’t speak the same language; therefore, they cannot communicate with each other. This system offers customers a universal, low cost-cabling system. But is it really the best solution for each application?

This article examines one version of this type of convergence: the use of category cabling for HDBaseT signals.

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Cabinet Load: Why It Matters and Why It’s Changing

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For better use of floor space and decreased operating costs, the goal it have more active gear inside cabinets and enclosures. As a result, they’re getting wider, deeper and taller. In the past, most enclosures offered 42 RUs or 45 RUs of space. Today, many cabinets offer 48 RUs of space – and can offer as many as 52 RUs (or more).

But as cabinets grow in size, they also get heavier. If cabinets get too heavy, the floor may not be able to support the load; the cabinets may also be very difficult to move.

It’s becoming crucial to analyze load ratings (load capacities) when selecting cabinets. Here are the load ratings you need to know:

  • Static load rating: How much weight a cabinet can hold when racks are loaded in the data center
  • Dynamic load rating: How much weight a cabinet can accommodate when shipped fully loaded (important to note with services like Data Center Ready becoming more popular)
  • Rolling load rating: How much weight a cabinet can tolerate as it is moved/rolled across the floor

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Why PoE Demands Cat 6A Cable

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Power over Ethernet (PoE) is ideal for supplying a variety of networking, AV and computing devices without the need for an outlet or adapter. It also reduces the amount of building material required to power and connect a device to a network by allowing a single cable to provide both services.

No longer confined solely to VoIP phones and security cameras, powered devices are increasingly calling for PoE connections; and these devices are requiring higher power levels. Wireless access points, digital signage, videoconferencing systems and laptops all require an increasing amount of power running through their cables. In fact, a new PoE standard, IEEE 802.3bt, supports up to 100 W of power per cable.

However, higher power levels running through a cable can cause performance issues by making the cable hotter; and when the cable gets hotter, insertion loss increases. This increases the chance of a business experiencing productivity-draining downtime and may also damage the cable itself.

The type of cabling selected can make a major difference in terms of how heat inside the cable is managed, as well as how it impacts performance. Category 5e and Category 6 cable can be used to support PoE devices, but Category 6A is preferable for a number of reasons.

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Cost-Effective Short Wavelength Division Multiplexing (SWDM)

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Applications Presently Using SWDM

Factoring that fiber infrastructure costs, parallel multimode MPO cabling is largely more costly than LC-duplex fiber patch cords. For direct port-to-port connections, it’s more desirable to use a single fiber pair instead of MPO trunk to keep costs down.

For supporting smooth migration from 10G to 40G Ethernet, Cisco released a proprietary 40G bi-directional (BiDi) transceiver solution that allows reuse of the duplex multimode fiber pair for 40G connection. The BiDi transceiver utilizes two wavelengths (850nm and 900nm) transmitting in the same fiber on opposite directions, with an actual bit rate of 20 Gbps. It supports 40G data transmission up to 150m in OM4 multimode fiber.

Arista’s 40G universal transceiver is another solution that supports LC-duplex fiber pair instead of MPO. The 40GBASE-UNIV supports a reach of 500m singlemode fiber and 150m reach in OM4. Similar solutions are also available from Juniper (40G-LX4) and Finisar (40G-LM4).

In short-reach datacom applications, BiDi and Universal transceiver solutions have proven to be market successes.

New SWDM Applications in WBMMF

Historically, compared to singlemode transceivers, multimode transceivers cost less and are more efficient in power consumption. The introduction of wideband multimode fiber will maintain the appeal of multimode fiber cabling systems for next-generation Ethernet speed implementation with SWDM technology.

Since 40G Ethernet was introduced, QSFP has become the most popular form factor for 40G and 100G Ethernet physical interfaces. Recently, new SWDM-based QSFP multimode transceivers, including 40G-SWDM4, 100G-SWDM4 and 100G-SWDM2, have been demonstrated by a few vendors.

In regard to standardization, the SWDM4 consortium built a consensus that 4-wavelength is a viable solution, and it’s possible to support up to eight wavelengths in the single MMF. In the IEEE 802.3 working group, WBMMF was already taken into consideration for new standards development.

If you opt for SWDM transceivers in your next data center deployment, we recommend taking a close look at OM5 to support desired reach and link performance.

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Machine Building & The IIoT

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The IIoT (Industrial Internet of Things) is disrupting the manufacturing industry in eliminating rigid structures of production facilities and replacing them with flexible, networked production facilities.

What does this mean for machine builders?

Find out in this blog post, where I share my answers to a few questions about how Belden helped German-based machine builder Erhardt + Abt take advantage of the IIoT by creating an intelligent robot system.

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What is Layer 0?

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Beneath your IT infrastructure lies a foundation: layer 0. It’s the one we often don’t talk about. It’s constantly overlooked but is so critical. Installed behind walls and above the ceiling, behind closed doors and in dark rooms, your cabling – although hidden, and seldom the topic of conversation among IT professionals – is, in my opinion, the most important layer of your information communication technology (ICT) infrastructure.

What is Layer 0?

Basically, layer 0 is made up of your infrastructure cabling and connectivity. It allows data to be reliably transmitted from one place to another at high speeds – whether users/devices are in the same room, in different buildings or separated by thousands of kilometers.

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