computer science

Perle Systems

Perle Systems is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Perle Systems rather than just read about it. In short: Perle Systems is a technology company that develops and manufactures serial to Ethernet, fiber to Ethernet, I/O connectivity, and device networking equipment. These types of products are commonly used to establish network connectivity across multiple locations, securely transmit sensitive information across a LAN, and remotely monitor and control networked devices via out-of-band management.

Key takeaways

Perle Systems belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Perle Systems to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Perle Systems from memory before moving on to harder problems.

Reference excerpt

Perle Systems is a technology company that develops and manufactures serial to Ethernet, fiber to Ethernet, I/O connectivity, and device networking equipment. These types of products are commonly used to establish network connectivity across multiple locations, securely transmit sensitive information across a LAN, and remotely monitor and control networked devices via out-of-band management. Perle has offices and representative offices in North America, Europe, and Asia and sells its products through distribution and OEM (original equipment manufacturer) channels worldwide. On August 31, 2016, Phoenix Contact GmbH & Co. KG, Blomberg, Germany concluded a contract for the acquisition of Perle Systems Limited, Toronto. Thus, Perle Systems becomes an international subsidiary of the Phoenix Contact Group.

Products 5G and LTE Routers: Use to provide primary or failover back-up connectivity to remote infrastructure and assets through wireless cellular connections Terminal Servers: Used to connect any device with serial ports over Ethernet for access to network server applications. Examples of devices with serial ports include Cisco console ports, POS terminals, servers, modems, card readers and a wide range of industrial equipment. Device Servers: Used to web or network enable existing equipment with RS-232, RS-422 or RS-485 serial interfaces. Console Servers: Used to provide data center managers with secure remote management of Cisco routers, switches and firewalls, Solaris, Windows, Unix and Linux servers, PBXs or any device with a serial console port. Also referred to as out-of-band management of IT assets. Ethernet I/O Device Servers: Used for access and control of remote digital I/O, analog I/O, pulse I/O, relays and temperature sensors on any IP network. Monitor environmental alarms, intrusion detection, relay contact closures and equipment failure. Remote Power Switches: Used to remotely power on/off/cycle Data Center equipment. Serial Cards: Used to add RS-232, RS-422, RS-485 serial ports to PCs or servers via PCI, PCI-X or PCI Express bus slots. Parallel Cards: Used to add IEEE 1284 Parallel ports to PCs or servers via PCI, PCI-X or PCI Express bus slots. Fiber Media Converters: Used to extend copper to fiber, multimode to multimode and multimode to single mode fiber Ethernet extenders: Used to transparently extend 10/100/1000 Ethernet connections across copper wiring Industrial Ethernet network switches Small Form-factor Pluggable transceivers and XFP transceivers

History

1976, Perle Systems is founded. 1977, Establishes manufacturing capabilities. 1983, Launches a new family of ATM Controllers. 1985, Stock goes public. 1987, Introduces standardized IBM Midrange and AS/400 products. 1998, Acquires Specialix. Specialix designed, developed, manufactured, and marketed a broad range of serial connectivity and remote access solutions that provided connectivity between PCs/servers and peripheral devices. 1999, Acquires Zeta Communication Limited for its IP routing technology. 2000, Acquires Chase Research. Chase Research designed, developed, manufactured, and marketed serial to Ethernet and remote access products. 2003, Stock goes private. 2004, Incorporates RS-232, RS-422 and RS-485 interfaces on a single PCI serial card and provide the ability to individually configure each interface type using software commands. 2005, Incorporates IPV6 support into IOLAN Terminal Servers.; Launches serial card line that supports the PCI Express bus standard. 2006, Launches IOLAN Terminal Server that connect remote serial devices that operate in extreme temperatures (-40F to +165F ) to an enterprise IP network.; Launches a line of I/O Device Servers with the ability to monitor environmental alarms, intrusion detection, relay contact closures and equipment failure over Ethernet. 2007, Launches Redundant Path Technology and Remote Power Switches. 2008, Releases a line of SPEED LE Parallel PCI Card; Launches Spanish and Italian websites; Launches the IOLAN SCS48C DC Console Server for remote management of telecommunications equipment. 2009, Launches IOLAN Terminal Server specifically designed for medical data collection applications and certified for IEC 60601-1; Launches Terminal Servers for Electrical Utility Substation Market that meet NERC CIP and EPCIP requirements; Launches Terminal Server Certified as Class 1 Div2; Launches Terminal Server with HTTP tunneling 2010, Launches Ethernet to Fiber Media Converters; Launches NEBS Level 3 Compliant Console Servers; Achieves ISO 9001:2008 Certification. 2011, Extends Fiber Optic Cabling Support to 160 km; Launches FIPS 140-2 Validated IOLAN Terminal Servers. - Needs further validation. No validated hardware can be found on NIST https://csrc.nist.rip/groups/STM/cmvp/documents/140-1/140val-historical.htm Item could be compliant, but not validated 2012, Launches Industrial Temperature Media Converters; Launches Ethernet Copper Extenders 2013, Launches 10G Media Converters 2014, Launches Industrial Ethernet Switches 2015, Launches Wireless Serial Device Servers 2016, Phoenix Contact acquires Perle Systems 2017, Perle Enables Serial over Cellular Network Data Transmission; Launches PoE Industrial Managed Switches; Launches IOLAN SCSC Console Servers with dual SFP slots; Releases 10G Media Converters capable of 10/100/1000/2500/10000 Rate Conversion; 2018, Launches eR-S1110 Ethernet Repeater; Launches Modular Console Servers for In-Band and Out-of-Band-Management; 2019, Launches Console Servers with integrated 4G LTE for Out-of-Band-Management; Launches Enterprise-Class Edge Cellular LTE Routers & Gateways; 2020, Launches a 10-port PoE (100W) Gigabit Switch with Fiber or Copper uplink ports; Launches IOLAN SCR1618 Secure Out-of-Band Management Console Server; 2021, Launches FirstNet™ Ready LTE Routers; 2022, Launches Enterprise-Class Edge 5G Routers;

References

External links Official English website Official Spanish Website Official German Website Official French Website Official Italian Website Official Chinese Website Official Japanese Website

Illustrations

Worked examples

Example 1 — a first encounter with Perle Systems

Start with the simplest possible case. Write down what Perle Systems claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Perle Systems before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Perle Systems ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Perle Systems

In research: Perle Systems appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Perle Systems in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Perle Systems is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer companies of the United States, Computer hardware companies, Computer peripheral companies, so understanding it makes those chapters shorter.
In everyday life: Look for Perle Systems outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Perle Systems in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Perle Systems means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Perle Systems out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Perle Systems in simple terms?

Why does Perle Systems matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Perle Systems?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Perle Systems.