The optical transceivers at both ends of the optical fiber jumper must have the same wavelength. The two ends of the optical fiber must be optical modules of the same wavelength. The simple distinction is that the color of the optical module must be the same. In general, short-wavelength optical m

Many friends asked Security Jun, why the network cable only transmits 100 meters, today we will come to understand this aspect. Network cable data transmission maximum distance Friends who know more about the network know that the twisted pair has an "insurmountable" "100 meters&q

According to TIA 942-2005, the following transmission grade cabling products can be used in the equipment room: Cat6 horizontal twisted pair; Cat 6A, Cat7 copper cabling system, OM1 multimode fiber (62.5/125 micron) and OM2 Mode fiber (50/125 micron), OM3 10 Gigabit multimode fiber (50/125 micron)

XH-VSG-2I, XH-VSG-21 integrated vibration sensor transmitter is based on the HN500 integrated vibration sensor plus a backlit liquid crystal display, which passes the vibration speed RMS or vibration displacement peak-to-peak value through the LCD screen. Displayed, and with a standard 4-20 mA curre

Tachometer SQSC-485 It can be equipped with an eddy current sensor, a magnetoelectric speed sensor, and a magnetoresistive sensor to monitor the unit speed. This monitor is mainly used for speed monitoring and alarm; Range: 0~9999r/min; Accuracy: ±1r/min; Number of teeth: 0~255 arbitrary. Us

As the main force of urban distribution, refrigerated trucks are the main recipients of the cold storage to the final destination. At this time, choose a light truck refrigerated truck with strong carrying capacity, excellent thermal insulation performance,

With the development of the economy, the cranes for many jobs now begin to operate gradually using wireless remote control. The remote control operation mode has the operating characteristics of improving labor conditions, saving human resources costs, and

“Japan’s electromechanical equipment business accounts for 30% of our total business volume, and the delivery date is currently not determinable. On the one hand, we inform our customers that the delivery date is affected, and we hope that they understand; on the other hand, W

The recall system was a late “dinner” in our country. It was not until the 2004 “Defective Automobile Products Recall Management Regulations” was implemented that the recall was formally put on the table. It is understood that Audi has maintained a "zero"

Quality in the process of transformer procurement Liu Tianming, Ma Chunyuan Sinosteel Jilin Electromechanical Equipment Co., Ltd. Jiexiu City, Shanxi Province, Chishun Carbon Co., Ltd. Abstract: Analyze the quality components in the process of transformer procurement and interpret the quality

Recently, the author saw a netizen in a forum saying: "The company trial-produces a new variety of raw materials, the material after drying is as hard as the stone, the portable pulverizer is very poor, with a rocking machine and a versatile The pulverizers have all been tried, and still can

(1) Applicable conditions (1) The surface and surrounding rock are allowed to collapse; (2) The ore is stable and does not require a large amount of support. However, with the development of support technology, the requirements for the stability of the ore are reduced, and the stability of the sur