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Data Line Isolation Theory

From B&B Electronics Manufacturing Co. Inc.
 

 

When it comes time to protect data lines from electrical transients, surge suppression is often the first thing that leaps to mind. The concept of surge suppression is intuitive and there are a large variety of devices on the market to choose from. Models are available to protect everything from your computer to answering machine as well as those serial devices found in RS-232, RS-422 and RS-485 systems.
Unfortunately, in most serial communications systems, surge suppression is not the best choice. The result of most storm and inductively induced surges is to cause a difference in ground potential between points in a communications system. The more physical area covered by the system, the more likely those differences in ground potential will exist.

Products & Services
Plugin style surge suppressors plug into wall outlets to protect equipment from transient overvoltages.  Search by Specification | Learn more about Plugin Style Surge Suppressors
Dataline and DC signal surge suppressors protect equipment from transient overvoltages present on data or DC signal lines. Search by Specification | Learn more about Dataline and DC Signal Surge Suppressors
Surge protective devices (SPDs) are designed to protect equipment against temporary excess voltage and/or current. Search by Specification | Learn more about Surge Protective Devices (SPDs)
Surge suppressors are used to protect equipment from transient overvoltages in power, data, and telephone circuits. Search by Specification | Learn more about Surge Suppressors
Product Announcements
APC by Schneider Electric - Data Line Transient Protection
Electrical transients (surges) on data lines can destroy computing equipment both in the business and home office environments. Many users appreciate the risk of power surges but overlook data line... (read more)
Alltec Corporation - Alltec Protection Pyramid™
The Alltec Protection Pyramid™ provides a three-step comprehensive facility approach for lightning protection, surge suppression and grounding solutions. (read more)
Energy Control Systems - Transient Voltage Surge Suppressors
Protect your critical, vital electronic systems with the most advanced suppression technology available today. (read more)
B&B Electronics Manufacturing Co. Inc. - Connect and Isolate Serial Devices on USB Ports
Connect multiple serial or legacy RS-232 or RS-422/485 devices to your PC or laptop USB port. Get 3000V optical isolation from voltage spikes and group loops. 2 or 4 port versions, USB port powered,... (read more)
Sealevel Systems, Inc. - USB to Isolated Serial Adapters w/ Locking USB
Isolated serial interface adapters offers an easy way to connect serial devices to a USB port. The serial port is configurable for RS-232, RS-422, or RS-485 without opening the case. Optical isolation... (read more)
Emerson Network Power - Surge Protection - Fire, Alarm, Security & Communications Catalog
Mission-Critical Equipment … Today's advanced commercial/residential fire, alarm, security and telecommunication systems are more sophisticated than ever before. In a nanosecond, transients... (read more)
Moxa Inc. - Serial device server and Ethernet switch, in one!
Moxa's NPort S8455I-MM-SC is an advanced industrial serial device server that also incorporates a fully-featured 5-port managed Ethernet switch. Combining these oft-used functions into a single... (read more)
MTE Corporation - Surge Protection Devices
Surge Protection Devices Product Overview 3-Phase 50/60Hz, 600 volts max. PR-O-TECT surge arrestors help to protect sensitive electronics equipment from dangerous voltage transients and... (read more)
Transtector Systems, Inc. - DIN Rail DC Power Suppressor - DRDC Series
Ultra-compact silicon surge protection for DC din rail mount microcomputer processor based equipment and systems... (read more)
 
Topics of Interest
Electrical transients (surges) on data lines can destroy computing equipment both in the business and home office environments. Many users appreciate the risk of power surges but overlook data line... (Read More)
Surges and spikes on datalines can fry your communications boards and corrupt data. This article describes the operation, installation and selection of what is probably the most common method of data... (Read More)
UL 1449 is a standard that covers transient voltage surge suppressors (TVSS) intended for permanently connected, cord-connected and direct plug-in applications. UL Standard 1449 established various... (Read More)
Littelfuse offers specific Varistors and Classes of Fuses to address over-voltage and over-current transients in the Industrial environment. This application area is typically characterized as AC... (Read More)
The sole function of a quality surge suppressor is to protect sensitive electronic equipment from transient overvoltages that are present on AC power circuits. It is irrelevant whether these... (Read More)
See more product announcements for Plugin Style Surge Suppressors
Surgebreaker® Secondary Surge Arresters

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