Physical Data Networks and SecurLAN™ | Fiber SenSys Inc.
A command and control interface that when combined with SecureLAN optical sensors and data cutoff switches form a Protected Distribution System (PDS) capable of shielding sensitive networks from
Different Types of Polarization Maintaining (PM) Optical Switch
Explore the different types of Polarization Maintaining (PM) optical switch technologies, including mechanical, MEMS, electro-optic, magneto-optic and liquid crystal optic switches, and their
Best Sealed Switches: Sealed Pushbutton, Toggle, Rocker, Tact
When designing a product that''s going to be used in a harsh environment where the intrusion of dust or liquids is a concern, it''s imperative that engineers and designers select the best
Extended Temperature Cameras | ACTi Corporation
Zones with heat waves, snow, sand, or salt spray require harsh environment security cameras specifically engineered for durability. ACTi delivers an Extreme Temperature Security Camera
CCTV Technology Handbook
The CCTV Technology Handbook was funded under Interagency Agreement No. HSHQDC-07-X-00467 from the U.S. Department of Homeland Security, Science and Technology Directorate.
Reliability of RF MEMS switches at cryogenic (liquid He) temperatures
This paper reports on the reliability of RF MEMS switches operating in a cryogenic (<6 K) environment while monitoring the repeatability of their contact resistance (R c) over time.
Protect Outdoor Cameras from Extreme Weather with a
Older generations of outdoor cameras can only operate reliably within a specific temperature range. When the temperature is low, a lithium battery''s capacity degenerates rapidly because of its bigger
Industrial Ethernet Switches
Built for secure industrial automation and a wide range of use cases, these modular switches with PoE options support advanced resiliency protocols and network security features that include Cisco
Optical circuit switching for network monitoring and
Leading vendors of network monitoring tools have fully integrated the software-defined POLATIS optical circuit switches into their system, creating an automated mass cybersurveillance solution.
Safe Liquid Level Sensors and Switches
These liquid level switches are highly robust and resistant to chemical attack, with an operating temperature range between -30 and +80°C (
Thermo-Optical Switches
In this chapter, we first briefly look back at the development history of thermo-optical switches. Then we discuss the principles of thermo-optical switches, including the thermo-optic effect, the trade-off
Security Electronics Systems And Circuits — Part 8
The first half of this article presents a selection of practical temperature-sensitive security circuits.
Optical Power Meters & Sources
High-precision power meters (Ge/InGaAs) and stabilized light sources for insertion loss and return loss testing.
OTDR & Fiber Characterization
Full-featured OTDR, fiber OTDR testers, and modular OTDR test modules for network deployment and troubleshooting.
OSA & Eye Diagram Analyzer
High-resolution OSA for DWDM and eye diagram testers for signal integrity validation.
BERT & Endface Inspection
BERT up to 800G, fiber endface inspection probes, and extinction ratio meters for comprehensive testing.