Ethernet Switch Series JT-94000

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5 Boxes pc
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1000 Boxes per Month pc/month

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Product Description:

 

Features 

Provides flexibility of 5 or 8 Ethernet ports

Supports 10/100Mbps-Full/Half-duplex, Auto-Negotiation, Auto-MDI/MDIX

Redundant power inputs(12 - 48VDC) with Terminal Block and

DC Jack (12VDC)

Alarms for power and port failure by relay output

-40°C to 75°C (-40°F to 167°F) operating temperature range, tested for functional operation @ -40°C to 85°C (-40°F to 185°F)

Provides DIN-rail or panel mounting

Complies with NEMA TS1 & TS2 Environmental requirements for Traffic control equipment

Complies with IEC61000-6-2 EMC Generic standard immunity for Industrial environment

UL1604 Class I Division 2 Classified for use in hazardous locations.

 

Technology

 Standards

IEEE802.3 10BASE-T, IEEE802.3u 100BASETX/100BASE-FX,IEEE802.3x

Forward and Filtering Rate

14,880pps for 10Mbps

148,810pps for 100Mbps

 Packet Buffer Memory

768K bits

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Q:How to use digital multimeter to detect the quality of 36 volt low voltage lighting transformer?
General digital multimeter has a capacitor (some of the files with a million capacitance test table of Jack, some use pen)
Q:Why is elevator lighting transformer installed?
Is that the kind of 220V change 36V ah, if it is that kind of thing, I think it should be for security reasons. After all, 36V is a safe voltage. The damage to humans is slightly smaller than that of 220V.
Q:The transformer zero line has broken, has the result to the household illumination circuit?
The lighting circuit mostly 3 phase unbalanced load, there will be zero drift, zero if the transformer line is broken, part of the lighting circuit to form a series of equipment in the case of two-phase circuit, circuit voltage is decreased and the lighting brightness is not enough, circuit voltage increases, the lamp burned;
Q:Lighting, lights, transformers, bulb brightness is too low, what's the matter?
If you share a power line, you must calculate the current and select the appropriate wire to ensure normal pressure drop and safe use.
Q:The difference between lighting transformers and control transformers
A control transformer is a low voltage appliance, usually used as a power supply or part of a lighting for the control of electrical equipment such as machine tools. There are usually two different voltage outputs,
Q:Line lights, lighting transformers in use!! Can live line work?!! Be afraid of electric shock 40
Line lights, lighting transformers in general how many low voltage, can live operation, but to do safety measures. For example, do not short-circuit, damp environment, wear insulation shoes, wearing insulating gloves and so on.In fact, all the voltage levels, as long as safety measures can be done live operation.
Q:Who knows how big transformers and lines the 36V transformer uses in lighting?
380V-220V/36V transformers, commonly known as safety transformers or line transformers, are mainly used for lighting in shop equipment and mobile lighting for inspection and maintenance. Their power is 50W, 100W, 200W, 300W., and their line size is determined by power!
Q:Why can't autotransformer be used as transformer for safety lighting?
The main and auxiliary coils of the autotransformer have common parts. Once the short-circuit is made, the lighting circuit is directly connected with the high voltage circuit, which is very dangerous
Q:What's the function of the lighting transformer?
Applies to some requirements for safe voltage 24V - 36V lighting sites. Such as: basement, tunnel, dangerous goods warehouse and so on. Then there is the (mobile, temporary) safety lighting for the overhaul.
Q:What transformer can be used in a safety voltage lighting transformer?
An isolated transformer is a transformer that is electrically isolated from an input winding and an output winding. The isolated transformer is used to avoid accidental touching of the charged body at the same time, and the isolation of the transformer is to isolate the current of the former side winding coil.
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1. Manufacturer Overview

Location Taiwan,Taiwan
Year Established 2003
Annual Output Value US$1 Million - US$2.5 Million
Main Markets North America; South America; Eastern Europe; Southeast Asia; Africa; Oceania; Mid East; Eastern Asia; Western Europe; Northern Europe
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