Dynamic range of fiber optic end-face inspection instrument for rail transit 35dB
••Recent development of fiber optic sensing (FOS) technology for railway infrastructure monitoring is comprehensively revi.
Read More
QSFP-DD optical module for remote monitoring in rail transit
This guide provides a clear overview of 400G ZR QSFP-DD standards, specifications, and selection criteria for coherent pluggable optics in metro and long-haul networks. QSFP-DD ZR Coherent Optics presents a sea of change in the field of optical transportation architecture. Cisco has expanded the range of 400G digital coherent QSFP-DD transceivers with the 400G QSFP-DD. Stable interoperability and low BER depend on managing SI margin, optical/Rx chain linearity, telemetry trust (CMIS/DOM), and. The synergy between DWDM (Dense Wavelength Division Multiplexing) and routing technology stands as the linchpin for the realization of the 400G QSFP-DD DWDM optical module.
Read More
Distribution Box Guide Rail Principle
The distribution box consists of a distribution box base and a guide rail. The guide rail clamping slot seat is clamped in the clamping slot of the base fastener. The information provided in this document contains general descriptions, technical characteristics and/or recommendations related to products/solutions. For this purpose, Telegärtner has developed the train approved dis-tribution box, called RDB. Because of its tested reliability against vibrations and shocks and also heat, coldness and humidity, the RDB is perfectly suited for use in harsh environments.
Read More
Remote monitoring type lithium battery cabinet for rail transit
With their smart technological innovations, HOPPECKE drive batteries are in use from Siberia to the Sahara. These uses include powering public transportation, such as subway trains or automat.
Read More
Requirements for North Asia BSG Series Explosion-proof Distribution Boxes
All components and technical parameters need to comply with the national standard GB7251 design requirements, sample production needs to be notified to the construction unit, supervision, construction unit of the relevant personnel acceptance before full production. ProductionPacking & DeliveryABOUT YITONGNanyang Yitong Explosion proof Electric Co. is an advanced electrical solution provider for hazardous areas of zone1, zone 2, and zone 20, zone 21, zone 22. The main switch and sub switch operation panels can be distinguished according to color. The material can be customized according to user requiExplosion-proof distribution boxes are mainly used in coal mines, fire stations, petroleum, petrochemical installations and textile and other flammable and explosive places. Supermec ATEX Junction Box & Enclosures are designed to satisfy most of our clients' requirements for CONTROL explosion-proof and flameproof enclosures.
Read More