HiView – the new way to interface with Hirschmann products

Posted by Chanson Berry
When attempting GUI management of Hirschmann switches and routers via a web browser, some customers experience login and operational difficulties related to their Java environment. Thankfully, Hirschmann has developed a utility, HiView, that eliminates all of the complications associated with the local machine Java revisions and updates.

HiView does not require any installation, does not alter any PC registry entries, and only writes information into its own folder. It even works directly from removable media such as USB drives and SD cards, for ultimate portability.

HiView displays a selection screen showing all the switches you have recently accessed, sorted by the frequency of accesses. Just click on any switch to open its graphical user interface or simply type the IP address of any new device you wish you add and hit "Open." You can always be sure that HiView is automatically using the most secure transmission protocol (HTTPS if configured).

Once a successful connection has been made, you will arrive at the typical login screen.


After logging in, you are greeted with the same powerful and intuitive GUI you've always enjoyed.


At this point you have full access to your Hirschmann device without any of the frustrations sometimes encountered with local Java revisions and updates. You can download this free utility via the link below.

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Confirm eWON Will Work For You

Posted by Chanson Berry
While the eWON and Talk2M solution provide a simple and secure method to remotely access your PLCs and other devices, there are a few preliminary steps you can take to ensure the solution will work in your environment. Before any attempts are made to install the eWON, it is helpful to perform the following:

1) Verify whether one of the required ports (TCP 443 or UDP 1194) are indeed open on the firewall that may sit between the eWON and the internet. We find that the vast majority of the time, at least TCP 443 is reachable as it is used for HTTPS; however, you can confirm before even purchasing your first unit. Validate this by running the Talk2M connection checker. This is a free Windows software utility that can be downloaded at the following location:
http://wiki.ewon.biz/Support/06_Knowledge_Base/Questions_and_Answers/Talk2M_connection_checker


*Important: This utility should be run on a Windows laptop from the exact location where the eWON will be installed.

Once you have successfully passed the connection test then you are ready for the next step.

2) Review and complete the "Installing eWON & Talk2M - Customer checklist".  This document assists you with a step-by-step approach to eWON network configuration parameters, firmware upgrades, software downloads, etc.  This checklist can be downloaded at the following location: 
Installing eWON & Talk2M ‐ Customer checklist


After completing the checklist, you are now ready for installation. Our desire is for you to have a quick and positive first-time experience and these two steps help pave the way. Should you happen to have any issues with initial setup, our support team is available Monday-Friday 8am-5pm CST to assist you.

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Understanding Fiber Optic Link Budgets

Posted by Josh Varghese
Did you know that ignoring fiber optic link budgets could result in damaging that very expensive pair of SFPs you just purchased? Link budgets are important for several reasons, one of which may surprise you.

Primarily, the link budget retrieved or calculated from an SFP/transceiver datasheet gives you the maximum allowable loss (dB) across installed fiber, connectors, patch panels, etc., between two fiber transceivers.


An Optical Loss Test (OLT) with a Fluke or similar tester provides the measured link margin across all these components for a single pair of fiber. If the measured margin is under the budget, the link will operate. 

A little known fact is the budget also provides insight into situations where there might be TOO MUCH power. Most short haul SFPs have a link budget lower limit of zero such as the example below.


This means you can link the transceivers in an extremely short distance lab scenario, as is commonly done for system testing, using standard patch cables with no concern.

If, however, you have long haul SFPs designed to communicate longer distances, you'll find the datasheets reference a non-zero lower limit in the link budget such as the 5 dB below.


Linking these SFPs in the lab without at least 5 dB attenuation could result in permanently damaging the SFPs. In this scenario, you should contact us to purchase attenuating patch cords to protect those precious SFPs.

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Flexible PoE with Moxa INJ-24A PoE Plus Injector

Posted by Josh Varghese
We previously discussed a few PoE application challenges in this post. When considering a PoE application, several questions may come up regarding the Power Sourcing Equipment (PSE) you are to supply. Should it be:
  • 802.3af or at?
  • Standard or high power?
  • Two-pair or four-pair?
  • Mode A or Mode B?

Wouldn't it be easier if you could purchase one model which could be configured for any of the injector choices above? Enter the INJ-24A series PoE+ injector from Moxa. This unique PoE injector features a DIP switch that allows the user to fully configure the output.



This device provides flexibility previously unavailable in the industrial market. Next time your application requires PoE injectors, consider the Moxa INJ-24A.

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eWON Industrial VPN Router E-mail Relay

Posted by Josh Varghese
Customer-managed e-mail servers are no longer required for an eWON router to send notifications.  Check out this great video from eWON highlighting the e-mail relay feature.


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