Cost-effective, High-density PoE Solution Perfect Managed PoE+ Switch with Advanced L2/L4 Switching and Security PLANET GS-4210-48P4S is a cost-optimized, high-density PoE+ Managed Gigabit Ethernet Switch featuring PLANET intelligent PoE functions to improve the availability of critical business applications. It provides IPv6/IPv4 dual stack management and built-in L2/L4 Gigabit switching engine along with 48 10/100/1000BASE-T ports featuring 36-watt 802.3at PoE+ and 4 additional Gigabit SFP slots. With a total power budget of up to 440 watts for different kinds of PoE applications, it provides a quick, safe and cost-effective Power over Ethernet network solution for small businesses and enterprises. Premium VoIP Networks for Medium- to Large-scale Deployments The GS-4210-48P4S has 48 IEEE 802.3at PoE+ ports, 104Gbps switch fabric and advanced QoS functionality for deploying medium- to large-scale VoIP or wireless networks at a low total cost. One GS-4210-48P4S can power up 48 PoE VoIP phones and delivers HD (high-definition) voice to VoIP network with high priority, resulting in higher quality voice and clearer communication. From now on, customers only need fewer units of the GS-4210-48P4S than before to achieve the goal of cost-effectiveness, thereby saving setup time and human resource. Built-in Unique PoE Functions for Powered Device Management As it is the managed PoE switch for VoIP, wireless and surveillance networks, the GS-4210-48P4S features the following special PoE management functions: - PoE schedule - PD alive check - Scheduled power recycling - PoE usage monitoring PoE Schedule for Energy Saving Under the trend of energy saving worldwide and contributing to environmental protection, the GS-4210-48P4S can effectively control the power supply besides its capability of giving high watts power. The “PoE schedule” function helps you to enable or disable PoE power feeding for each PoE port during specified time intervals and it is a powerful function to help SMBs or enterprises save power and money. It also increases security by powering off PDs that should not be in use during non-business hours. Intelligent Powered Device Alive-Check The GS-4210-48P4S can be configured to monitor connected PD (Powered Device) status in real time via ping action. Once the PD stops working and responding, the GS-4210-48P4S will resume the PoE port power and bring the PD back to work. It will greatly enhance the network reliability through the PoE port resetting the PD’s power source and reducing administrator management burden. Scheduled Power Recycling The GS-4210-48P4S allows each of the connected PoE IP cameras or PoE wireless access points to reboot at a specific time each week. Therefore, it will reduce the chance of IP camera or AP crash resulting from buffer overflow. Environment-friendly, Smart Fan Design for Silent Operation The GS-4210-48P4S features a low noise design and an effective ventilation system. It supports the smart fan technology that automatically controls the speed of the built-in fan to reduce noise and maintain the temperature of the PoE switch for optimal power output capability. The GS-4210-48P4S is able to operate reliably, stably and quietly in any environment without affecting its performance. IPv6/IPv4 Dual Stack Management Supporting both IPv6 and IPv4 protocols, the GS-4210-48P4S helps the SMBs to step in the IPv6 era with the lowest investment as its network facilities need not be replaced or overhauled if the IPv6 network is set up. Robust Layer 2 Features The GS-4210-48P4S can be programmed for advanced switch management functions such as dynamic port link aggregation, 802.1Q VLAN and Q-in-Q VLAN, Multiple Spanning Tree protocol (MSTP), loop and BPDU guard, IGMP snooping, and MLD snooping. Via the link aggregation, the GS-4210-48P4S allows the operation of a high-speed trunk to combine with multiple ports, and supports fail-over as well. Also, the Link Layer Discovery Protocol (LLDP) is the Layer 2 protocol included to help discover basic information about neighboring devices on the local broadcast domain. Efficient Traffic Control The GS-4210-48P4S is loaded with robust QoS features and powerful traffic management to enhance services to business-class data, voice, and video solutions. The functionality includes broadcast/multicast storm control, per port bandwidth control, IP DSCP QoS priority and remarking. It guarantees the best performance for VoIP and video stream transmission, and empowers the enterprises to take full advantage of the limited network resources. Powerful Security PLANET GS-4210-48P4S offers comprehensive IPv4/IPv6 Layer 2 to Layer 4 Access Control List (ACL) for enforcing security to the edge. It can be used to restrict network access by denying packets based on source and destination IP address, TCP/UDP ports or defined typical network applications. Its protection mechanism also comprises 802.1X port-based user and device authentication, which can be deployed with RADIUS to ensure the port level security and block illegal users. With the protected port function, communication between edge ports can be prevented to guarantee user privacy. Furthermore, port security function allows to limit the number of network devices on a given port. Advanced Network Security The GS-4210-48P4S also provides DHCP snooping, IP source guard and dynamic ARP inspection functions to prevent IP snooping from attack and discard ARP packets with invalid MAC address. The network administrators can now construct highly-secure corporate networks with considerably less time and effort than before. Friendly and Secure Management For efficient management, the GS-4210-48P4S is equipped with web, Telnet and SNMP management interfaces. With the built-in web-based management interface, the GS-4210-48P4S offers an easy-to-use, platform-independent management and configuration facility. By supporting the standard SNMP, the switch can be managed via any standard management software. For text-based management, the switch can be accessed via Telnet. Moreover, the GS-4210-48P4S offers secure remote management by supporting SSH, SSL and SNMP v3 connections which encrypt the packet content at each session. Flexibility and Long-distance Extension Solution The four mini-GBIC slots built in the GS-4210-48P4S support SFP auto-detection and dual speed as it features 100BASE-FX and 1000BASE-SX/LX SFP (Small Form-factor Pluggable) fiber transceivers to uplink to backbone switch and monitoring center in long distance. The distance can be extended from 550 meters to 2 kilometers (multi-mode fiber) and up to 10/20/30/40/50/70/120 kilometers (single-mode fiber or WDM fiber). They are well suited for applications within the enterprise data centers and distributions. Intelligent SFP Diagnosis Mechanism The GS-4210-48P4S supports SFP-DDM (Digital Diagnostic Monitor) function that can easily monitor real-time parameters of the SFP for network administrator, such as optical output power, optical input power, temperature, laser bias current and transceiver supply voltage.
Erscheinungsdatum: 04/2012, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Design solutions for low-cost space missions, Titelzusatz: New approaches to design reliable space systems, Autor: Speretta, Stefano, Verlag: LAP Lambert Academic Publishing, Sprache: Englisch, Rubrik: Luftfahrt- // Raumfahrttechnik, Seiten: 176, Informationen: Paperback, Gewicht: 275 gr, Verkäufer: averdo
With its increased power factor of 0.9lag the Protect B PRO belongs to the most efficient line-interactive UPS systems. The parallel operation of USB/RS232 interface and the extension slot enables more communication options. Protect B Pro can be configured via the operator panel. The innovative folding mechanism allows batteries to be changed without disconnecting the UPS.- Modern VI (line interactive) protection technology with sinus-shaped output voltage- Low operating costs through high efficiency, power factor 0.9lag- Compact shape, flexible use through combined design tower / rack, rotary screen- Surge protection (RJ11 / RJ45) for telephone, fax, modem and network- Configuration directly on the LCD- Full display of the essential parameters on the screen, e.g. the remaining runtime in minutes- Intelligent monitoring system with USB and RS232 interface, parallel operation of USB / RS232 and extension slot is possible
Erscheinungsdatum: 24.03.2016, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Design of Low Cost Home Security System Using 8085 Microprocessor, Autor: Nandi, Shovon // Sarkar, Madhumita, Verlag: LAP Lambert Academic Publishing, Sprache: Englisch, Rubrik: Elektronik // Elektrotechnik, Nachrichtentechnik, Seiten: 60, Informationen: Paperback, Gewicht: 106 gr, Verkäufer: averdo
F1 Scanner Cleaning Kit Manufacturer approved Cleaning Kit for Fujitsu scanners. Suitable to clean glass, plastics, rubbers and metals in Fujitsu Document scanners/Fujitsu Con-Cle-K75 - Gerätereinigungs-Trockentücher - Scanner - Mehrfarbig - fi-
PLANET HPOE Managed PoE Injector Hub series, a cost-effective and quick PoE solution, is designed to perfectly upgrade an existing network infrastructure to IEEE 802.3at Power over Ethernet Plus network system without replacing the existing Ethernet Switch. A Perfect Managed PoE+ Injector Hub with Full Power Budget The HPOE-1200G is a high-density, rack-mountable managed PoE+ injector hub featuring PLANET intelligent PoE functions through web user interface for remote management. It provides 12 10/100/1000BASE-T Ethernet ports featuring 802.3at PoE+ injector with a total PoE budget of 360 watts. Each PoE port can deliver up to 36-watt power over Cat.5/5e/6 Ethernet UTP cables which allow data and power to transmit simultaneously to a remote 802.3at/af powered device (PD). The HPOE-1200G enables centralization of the power supply and optimizes the installation and power management of remote network devices, and provides a quick, safe and cost-effective Power over Ethernet network solution for small businesses and enterprises. Quick and Easy PoE Network Deployment The HPOE-1200G is installed between a regular Ethernet Switch and the PDs. There are totally 24 RJ45 STP ports on the front panel of the HPOE-1200G, of which the 12 ports are on the lower stack functioned as "Data input" while the other 12 ports are on the upper stack functioned as "PoE (Data and Power) output". Both power and data are transferred simultaneously over the UTP cables to PDs without affecting the existing network performance and functions. With data and Power over Ethernet from one unit, the HPOE-1200G can reduce power cable deployment and eliminate the need for dedicated electrical outlets on the wall, ceiling or any unreachable place. IEEE 802.3at PoE+ Standard Compliance The PoE in-line power adopting the IEEE 802.3at Power over Ethernet Plus standard makes the HPOE-1200G able to deliver per port up to 36 watts of power to each remote PoE compliant powered device. It possesses double amount of power capability than the conventional 802.3af PoE and is an ideal solution to satisfy the growing demand for higher power consuming network PDs, such as PTZ (Pan, Tilt and Zoom), speed dome network cameras, color touch-screen or video and voice over IP (VoIP) telephones, multi-channel 802.11ac wireless LAN access points and other network devices. Friendly Web Management Interface To efficiently manage the powered devices, the HPOE-1200G provides simple Web management interface in which administrators can control the system and PoE functions for powered devices. It can automatically detect the power status of each port and show messages on its Web management interface. These features also provide users with a cost-effective way to manage the device via Internet whenever they are at work or at home. Built-in Unique PoE Functions for Powered Device Management As it is the managed PoE Injector Hub for VoIP, wireless and surveillance networks, the HPOE-1200G features the following special PoE management functions: - PoE schedule - PD alive check - Scheduled power recycling - PoE usage monitoring - Over temperature protection Intelligent Powered Device Alive Check PLANET’s Managed PoE products adopt not only Power over Ethernet technology, but also automated PD monitoring and real-time PoE status. The HPOE-1200G can be configured to monitor connected PD’s status in real time via ping action through the uplinked Ethernet switch. Once the PD stops working and responding, the HPOE-1200G will recycle the PoE port power and bring the PD back to work. It also will greatly enhance the network reliability in that the PoE port will reset the PD power, thus reducing administrator’s management burden. PoE Schedule for Energy Saving Under the trend of energy saving worldwide and contributing to environmental protection on the Earth, the HPOE-1200G can effectively control the power supply besides its capability of giving high watts power. The built-in “PoE schedule” function helps you to enable or disable PoE power feeding for each PoE port during specified time intervals and it is a powerful function to help SMBs or enterprises save power and money. Advanced Power Management To facilitate power management, the HPOE-1200G comes with powerful PoE management features such as over temperature protection, usage threshold alert and auto power allocation to prevent power budget overloading. The PoE power budget can be allocated by priorities or classification and sent alert event logs when power usage reaches the defined threshold. PoE Usage Monitoring Via the power usage chart in the web management interface, the HPOE-1200G enables the administrator to monitor the status of the power usage of the connected PDs in real time. High Power Budget for PoE Extension With 36-watt PoE output capability, the HPOE-1200G can extend much longer distance by using PLANET PoE Extender for powering up the PoE PD which can be installed over more than 100 meters away. By daisy-chaining multiple PLANET PoE Extenders, it offers the great flexibility of doubling, tripling or quadrupling the distance of PoE network. Smart Fan Design for Silent Operation The HPOE-1200G features a low noise design and an effective ventilation system. It supports the smart fan technology that automatically controls the speed of the built-in fan to reduce noise and maintain the temperature of the PoE injector hub for optimal power output capability. The HPOE-1200G is able to operate reliably, stably and quietly in any environment without affecting its performance. Gigabit PoE+ Network Deployment The HPOE-1200G provides the easiest way to power your Ethernet devices such as IP camera on the ceiling and the wireless access point installed on the top of the building. With 12 10/100/1000BASE-T Gigabit Ethernet ports, the HPOE-1200G supports full 52V DC power for any remote IEEE 802.3af/IEEE 802.3at powered device (PD). To control the power system of your networking devices, the HPOE-1200G can directly co-work with network devices such as PoE IP phone to build VoIP telephony network in the office. Furthermore, the PoE hub can be directly connected to any third-party IEEE 802.3af/802.3at compliant devices installed within 100 meters.
Erscheinungsdatum: 06.11.2013, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Design and Development of Low Cost Adsorbents, Titelzusatz: Purification of Waste Industrial Effluent, Autor: Joshi, Girdhar // Murthy, Kasibotla Sri Ram, Verlag: LAP Lambert Academic Publishing, Sprache: Englisch, Rubrik: Chemie // Populäre Darstellungen, Seiten: 68, Informationen: Paperback, Gewicht: 118 gr, Verkäufer: averdo
Hersteller: Fujitsu Marke: Fujitsu Titel: LOW Volume Scanner Cleaningkit Rubrik: Zubehoer // Scanner // Ersatzteile/Verbrauchsmaterial System: NMS Verkaeufer: averdo
The ZyXEL Switch ES1100 Series is designed for SMBs to boost business network performance and efficiency. It enables businesses to enter the world of networking connectivity without the need for complicated management. The Series provides not only plug-and-play simplicity for high-bandwidth connectivity but also the N-way Auto-negotiation functions to connect its network counterparts with the highest possible data speed as well as to activate the duplex mode automatically. The ES1100 Series is Ideal for typical noise-sensitive office environments for its superior energy efficiency and Ethernet connectivity. Green networking The environment-aware ES1100 Series offers 10/100M Ethernet speeds critical to the next-generation network applications, and it also provides power-saving functions to reduce energy consumption for lower operating cost. - Traffic detection — IEEE Energy Efficient Ethernet (EEE) compliance (ES1100-16/24/24E) - The feature automatically detects network traffics and adjusts power consumption accordingly in a dynamic manner. It reduces power consumption during the low link utilization periods. - Inactive link detection - The power usage adjustment feature automatically reduces power usage when any shut down network device or inactive link is detected. That is, power consumption of the Series can be adjusted according to the link status or the number of active network devices when possible. - Cable length detection - The devices equipped with this green feature can automatically detect the length of connected Ethernet cables and adjust power usage accordingly. The shorter the cable length, the less power it consumes. Best-in-class solution for Fast Ethernet environments The ES1100 Series comprises of unmanaged Fast Ethernet switches that provide an inexpensive solution for Fast Ethernet connections to the desktop with outstanding performance. The ES1100 Series is an ideal solution for bandwidth-intensive applications such as high-resolution photo delivery, video/audio streaming and downloading as well as server farm connections. Better performance and efficiency The full ES1100 range of 8/16/24-port Fast Ethernet switches has been designed to boost your network with better performance and efficiency. With the N-Way Auto-negotiation function, the ES1100 Series connects the network counterparts with the highest possible data speed and activates the duplex mode automatically. Transmission reliability Unlike shared 10/100 Mbps networks, the ES1100 Series eliminates congestion by providing dedicated bandwidth, and its duplex mode doubles the effective bandwidth by enabling two-way communications. The store-and-forward service brings low latency and error-free packet delivering, while the plug-and-play and multiple network protocol compatibility of the ES1100 Series makes installation and management easier and faster than ever. Desktop size with flexible rackmount and wallmount design fits your working environments With embedded rackmount brackets, the desktop size devices can fits into your rack environment easily. No matter how intense your network demand is, the ES1100 Series supports your needs with an affordable and reliable network solution designed especially for small businesses. Freedom of installation by PoE (ES1100-8P/16P) The ES1100-8P and ES1100-16P support IEEE 802.3af PoE to ease installation in challenging spaces such as ceiling or wall mounting. It works with devices such as WLAN APs, VoIP phones and IP surveillance cameras that can be powered by Ethernet connectivity over CAT-5 cables less than 100 meters (300 feet) in length, so there is no need for extra power adapters, and powering the devices installed on the ceiling is no longer a headache. This feature helps enterprises to reduce installation time and cost when many new devices are needed.
Erscheinungsdatum: 13.08.2015, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Design of A Low-cost Device for Hydrogen Production, Titelzusatz: Renewable Energy, Autor: Nassar, Amal Ebrahim // Nassar, Eman Ebrahim, Verlag: LAP Lambert Academic Publishing, Sprache: Englisch, Schlagworte: Energietechnik // Elektrotechnik und Energiemaschinenbau, Rubrik: Wärme- // Energie-, Kraftwerktechnik, Seiten: 52, Informationen: Paperback, Gewicht: 94 gr, Verkäufer: averdo
EXKLUSIV nur bei uns erhältlich! Der Designer Briefkasten LEVARA wird aus hochwertigem Edelstahl gefertigt und ist ein wahres Design Kunstwerk. Er harmoniert durch seine klaren Linien und seine geradlinige Optik perfekt mit seiner Umgebung. Das
Erscheinungsdatum: 10/2012, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: An Innovative Approach of Low cost CP-PLL DFT Design, Titelzusatz: using 1.25 micron meter CMOS Technology, Autor: Tiwari, Ashish, Verlag: LAP Lambert Academic Publishing, Sprache: Englisch, Rubrik: Elektronik // Elektrotechnik, Nachrichtentechnik, Seiten: 136, Informationen: Paperback, Gewicht: 219 gr, Verkäufer: averdo
EXKLUSIV nur bei uns erhältlich! Der Designer Briefkasten LENS wird aus hochwertigem Edelstahl gefertigt und ist ein wahres Design Kunstwerk. Er harmoniert durch seine klaren Linien und seine geradlinige Optik perfekt mit seiner Umgebung. Das
Erscheinungsdatum: 25.07.2014, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Easy way to design and fabrication of a low cost solar street lamp, Autor: Roshid, Md. Mamunur // Rabbi, Md. Sanaul, Verlag: LAP Lambert Academic Publishing, Sprache: Englisch, Rubrik: Wärme- // Energie-, Kraftwerktechnik, Seiten: 52, Informationen: Paperback, Gewicht: 94 gr, Verkäufer: averdo
Erscheinungsdatum: 02.04.2015, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Design and Implementation of Low Cost Inverted Pendulum Structure, Titelzusatz: Inverted Pendulum Structure for Experimentation Purposes, Autor: Ahmad, Adeel // Shahid, Kamal // Bin Naeem, Osama, Verlag: LAP Lambert Academic Publishing, Sprache: Englisch, Schlagworte: Elektronik // Nachrichtentechnik, Rubrik: Elektronik // Elektrotechnik, Nachrichtentechnik, Seiten: 92, Informationen: Paperback, Gewicht: 153 gr, Verkäufer: averdo
Erscheinungsdatum: 27.05.2018, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Low-cost system for measuring dielectric and piezoelectric constants, Titelzusatz: Design and construction of low-cost computerized system for measuring dielectric and piezoelectric constants, Autor: Abdel-Rahman, A. S. // Abdel-Aal, S. K., Verlag: LAP Lambert Academic Publishing, Sprache: Englisch, Schlagworte: Astronomie // Raum und Zeit // Physik, Rubrik: Physik // Astronomie, Sonstiges, Seiten: 108, Informationen: Paperback, Gewicht: 177 gr, Verkäufer: averdo
Erscheinungsdatum: 02/2012, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: Novel Approaches to the Design of Phased Array Antennas, Titelzusatz: Low cost, Low complexity Phased Array Antenna Design, Autor: Ehyaie, Danial, Verlag: LAP Lambert Academic Publishing, Sprache: Englisch, Rubrik: Elektrizität // Magnetismus, Optik, Seiten: 160, Informationen: Paperback, Gewicht: 252 gr, Verkäufer: averdo