Computer networks

EaseNet Free Standing Data Cabinets, Server Racks, 22 U W Patching Cabinet with a slimline style cabinet finish in high quality cream. 22 U Patch/Data rack/cabinet. Lockable Transparent Glass door. Cable access top and bottom. Welded construction. Moving and Standing Rails

EaseNet Data Cabinets, 12 U Models ( 600 x 600 ), (600 x 450 ) ( 600 x 1000 ), 12U Wall Mount Patching Cabinet with a slimline style cabinet finish in high quality Dark Creamy Finiprice shownU Patch/Data rack/cabinet. Lockable Transparent Glass door. Cable access top and bottom. Welded construction

EaseNet Data Cabinets Free Standing, Wall Mounts ::: 1 2U 600 x 600 Equipments & Patching Cabinet with a slimline style cabinet finish in high-quality Dark Creamy Finiprice shownU Patch/Data rack/cabinet. Lockable Transparent Glassdoor. Cable access top and bottom. Welded construction

Brand: Generic

4" x 2" x 96" 100mm x 50mm x 2.44m Double compartment

Brand: D-Link

Brand: D-Link

Brand: D-Link

Dlink Punch Down

Part Number: DWC-2000 D-Link's DWC-2000 Unified Wireless Controller is a cost-effective wireless management solution suitable for large Access Point deployments. Capable of managing 64 Unified Wireless Access Points Out of the box, it provides a Reliable, Secure, Self-Healing, Scalable wireless network suitable for education, hospitality and businesses of any size. Features Network Architecture • Manage up to 64 wireless APs; upgradable to 256 APs1 per controller • Control up to 256 wireless APs; maximum 1024 APs1 per cluster

Cost-efficient SMB/SME access & aggregation solution. 24 x 10/100/1000BASE-T PoE ports 4 x 10G SFP+ ports for choosing the most suitable media type for your requirement Lite L3 Static Routing for increased network efficiency Advanced security features such as Access Control List, IMPB, 802.1X Authentication to enhance network security and protect the internet IT network 370W PoE Power Budget (802.3af/at) to allow more power for connected devices Dual Image & Configuration for reduced downtime Supports STP/RSTP/MSTP to maintain the quality of network Full CLI for for easy management QoS Enablement for performance improvement of critical network traffic 11 Web Languages for management flexiblity

24-Port 10/100BaseT + 2-Port 10/100/1000BaseT ports + 2 Combo 1000BaseT/SFP ports Smart Switch

Brand: Generic

Terminating stranded and solid wire cables Terminating RJ11, RJ12 Telecoms Style Plugs Terminating RJ45 Data Communications Plugs

DINTEK PowerMAX Category 6 4 Pair Exterior (Industrial) Aerial UTP cable, has been designed to support high speed Gigabit data transmission systems to a distance not exceeding 100mtrs. For Outdoor or Aerial situations, this cable is part of the PowerMAX System range of products, that have been designed based on the PowerSum principle of crosstalk measurement and testing. We recommend that the full range of PowerMAX TM products are used in a system to maximize cabling performance, providing extended frequency response and enhanced bandwidth. When combined as an end to end solution, the PowerMAX T system, when installed by a certified For Outdoor or Aerial Applications ce; T1; ISDN 10BASE-T (IEEE 802.3) 16Mbps Token Ring (IEEE802.5) 100VG-AnyLAN (IEEE802.12) 100BASE-T Ethernet (IEEE802.3) 155/622Mbps 1.2/Businessclaud.com showns ATM 1000Mbps Gigabit Ethernet 550MHz Broadband Video

Dintek PowerMAX 2U 48P Cat.6 UTP patch panel – 1402-04012 are designed to exceed ANSI/TIA-568-2.D performance specifications and support both T568A and T568B wiring schemes. They can be terminated with an industry standard 110 or Krone installation tool. The Panels include a mounting slot for the DINTEK cable management bar, which easily mounts to the back of the panel, for improved routing and strain relief functionality. Combined with other Dintek products they are the perfect solution to your ce and data communications needs. Features of 2U 48P Patch Panel – 1402-04012 Component Level Design Meet & exceeds all current Cat6 Standards Stripped window label for easy management 110 and krone dual type IDC termination 1U size & 48 port panel, 2U size, 19” 24 port patch panel. Accept 22~26AWG, stranded or solid wire Optional rear cable management Applications of 2U 48P Patch Panel – 1402-04012 ce; T1; ISDN 10BASE-T (IEEE 802.3) 16Mbps Token Ring (IEEE802.5) 100VG-AnyLAN (IEEE802.12) 100BASE-T Ethernet (IEEE802.3) 155/622Mbps 1.2/Businessclaud.com showns ATM 1000Mbps Gigabit Ethernet 550MHz Broadband Video Standards Conformance ETL Verified ISO/IEC11801 2nd edition ANSI/TIA Standard 568-2.D CENELEC EN 50173 Independently Verified Certifications ETL Certificate Of Conformance

DINTEK PowerMAX TM Cat.6 Patch Panels are designed to exceed ANSI/TIA-568-2.D performance specifications and support both T568A and T568B wiring schemes. They can be terminated with an industry standard 110 or krone installation tool. The panels include a mounting slot for the DINTEK cable management bar, which easily mounts to the back of the panel, for improved routing and strain relief functionality. Combined with other DINTEK PowerMAX TM products, they are the perfect solution to your ce and data communications needs. Features Component level design Meets & exceeds all current Cat.6 standards Stripped window label for easy management 110 and krone dual type IDC termination 19” 24 port patch panel, 1U size & 48 port panel, 2U size Accepts 22~26AWG, stranded or solid wire Optional rear cable management Applications ce; T1; ISDN 10BASE-T (IEEE 802.3) 16Mbps Token Ring (IEEE802.5) 100VG-AnyLAN (IEEE802.12) 100BASE-T Ethernet (IEEE802.3) 155/622Mbps 1.2/Businessclaud.com showns ATM 1000Mbps Gigabit Ethernet 550MHz Broadband Video Standards Conformance ETL verified ISO/IEC11801 2nd edition ANSI/TIA Standard 568-2.D CENELEC EN 50173 Independent Verified Certifications ETL Certificate of Conformance

Molded boots prevent pin from bending and cables rom kinking Fully tested to meet TIA/EIA-568B.2-1 Category 6 requirements Stranded 24AWG wires provides maximum flexibility ETL verified to EIA/ TIA-568B specifications UL listed Wiring: T568B

Type: Cat.6 Conductor: 24AWG Jacket Type: PVC Colour: Grey/Blue/Yellow/Red Cable length: 0.5 meter

Product or component type: Cable management panel Colour tint:Black Number of rack unit:1U

Product or component type: Patch cord Cable shielding type: UTP Communication network category: 6 Colour tint: Grey Type of cable: 4 twisted-pairs cable Connector type: RJ45 Material: PC (polycarbonate) plug AWG gauge: AWG 23 stranded cable Contacts material: Gold over nickel Cable length: 3 m

Product or component type: Copper cable Cable shielding type: UTP Communication network category: 6 Colour tint: Grey Type of cable: 4 twisted-pairs cable Material: PVC (polyvinyl chloride) jacket Conductor material: Solid bare copper AWG gauge: AWG 23 Cable outer diameter: 6 mm Cable length: 305 m

Bare stranded copper conductor 305m UTP CAT6

Features Two-layer network management PoE switch Support IEEE802.3af, IEEE802.3at standard Support spanning tree protocol STP/RSTP Conform IEEE802.3, IEEE802.3u, IEEE802.3ab/z and IEEE802.3X standards Support one-key recovery of IP address & user password Specifications Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3x, IEEE 802.1x, IEEE 802.1Q VLAN, IEEE 802.3af, IEEE 802.3at Management via WWW / console: Yes LAN ports: 2 x port SFP 1000 Base-X 2 x RJ45 10/100/1000 Base-T 24 x RJ45 10/100 Base-T ( 24 x PoE (802.3af/at) ) Transmission speed: 10 / 100 Mb/s – 24 LAN & PoE ports 10 / 100 / 1000 Mb/s – 2 Uplink ports 1000 Mb/s – 2 SFP ports Maximal output power: 30 W / port PoE Maximal total power: 370 W MAC addresses table: 16k Transmission method: Store and Forward Main features: Switch is web managed IEEE 802.1Q VLAN Spanning Tree STP/RSTP Full Duplex: PAUSE frame, Half Duplex: Back Pressure IGMP Snooping Hardware supports IP + MAC binding based on port IEEE 802.1x port authentication Upload and download configuration file System logs protection against lightning discharges and voltage differences and strokes between devices LED diodes: Power, Link/Act, Console Certificates: CE Power supply: 100 … 240 V AC Operation temp: -10 °C … 55 °C Weight: 3.836 kg Dimensions: 442 x 265 x 45 mm Manufacturer / Brand: DAHUA Guarantee: 3 years

18-Port Managed Gigabit Switch with 16-Port PoE Intelligent PoE. Red port supports 90W IEEE802.3bt. Web management with friendly interface and easy operation. 250 m long distance PoE transmission. PoE watchdog. Large-capacity data cache (4Mbit) for real-time transmission and smooth video. All gigabit port design

Dahua's PFS3226-24ET-240 is a network switch with 24 Ethernet ports (RJ45 10/100 / Mbps ) + 2 Uplinks (RJ45 1000Mbps) + Optical Port (SFP 1000Mbps). Ideal for systems inside industrial buildings even in the presence of adverse environmental conditions (high or low temperatures) - Data transmission up to 250m. Intelligent PoE > PD Alive(PoE Watchdog) > Long Distance PoE Transmission > Smooth Transmission > Wide Working

DH-PFS3110-8ET-96 is a layer two Hardened PoE Switch, which provides 8*10/100Mbps PoE ports, 1*100/1000 Mbps optical port and 1*10/100/1000Mbps Ethernet uplink port. With high level lightning protection and wide working temperature range makes it a better performance in outdoor or harsh environment. Layer two Hardened PoE switch Supports PoE power management MAC auto learning and aging, MAC address capacity is 8K Conforms to IEEE802.3af and IEEE802.3at power supply standard. Port 1-2 supports Hi-PoE 60W power supply Supports IEEE802.3, IEEE802.3u, IEEE802.3ab/z and IEEE802.3X standards Wide working temperature design: -30°C~ 65°C Supports dual power backup

305m (1000 ft)/carton UTP CAT6, power over Ethernet, compatible with one cable High-purity oxygen-free copper conductor Customized PVC outer sheath; Have certain flame retardant properties Meet ANSI TIA 568C.2 and CPR Eca standards For more information clickhere

305m UTP CAT6 Support PoE long-distance transmission; Excellent OFC with 99.99% OFC(oxygen free copper) purity; Environmentally-friendly outer sheath, meet the CPR E/ UL CM class

Use the high-performance 802.11n 2×2 MIMO chip, and the highest rate can achieve 300Mbps; >Support proprietary protocol TDMA; when the wireless devices open TDMA, other manufacturers will not be able to link them which ensure the system safety; >POE or DC power supply optional, which make a strong scene applicability and be more flexible to use; >Support auto ranging function, real time display straight line distance between client and base station Description Model DH-PFM885-I Wireless Features Wireless Standard IEEE802.11 b/g/n Working Frequency 2412~2472MHz(extended range: 2312~2732MHz) Wireless Speed 300Mbps Modulation Mode OFDM Antenna Internal antenna: gain 6dBi Output Power 27dBm (max) Receiving Sensitivity 11b: -97dBm@ 1Mbps; 11g: -94dBm@6Mbps; 11n: -72dBm@MCS7 Transmission Distance 500m Wireless Direction Angle Horizontal 65°, vertical 60° Hardware Power 1*PoE RJ45(IN: 220V, OUT: 48V/0.25A), DC 12V Power Consumption Max. 8W Ethernet Port 2*LAN RJ45 Working Temperature -30℃~+70℃ Storage Temperature -40℃~+80℃ Working Humidity 5%~95%RH( no condensation) Equipment Dimension 150mm×150mm×32mm Equipment Weight 0.5Kg Protection Level IP41 Software Encryption Type WPA-PSK/WPA2/CCMP(AES)/TKIP Network Mode Route/Network Bridge Working Mode Access Point/Client/WDS AP/WDS client Security Mechanism IP/MAC address filtering, hide network name and etc. Network Protocol TCP/UDP/ARP/ICMP/DHCP/HTTP/NTP TDMA Enhancement Support(TDMA eliminate hidden nodes influence and greatly improve one-to-many performance) Auto ACK Timing Adjustment Support(Auto optimize parameter within long-distance communication and make the performance optimal) Management and Log NTP, Syslog, Telnet, AC, SNMP Webpage Configuration Management Support webpage configuration, AC remote management and SNMP management Firmware Update Support Firmware webpage update and AC remote upgrade Bandwidth Flexible Configuration 5/10/20/40MH

8 Ethernet Ports: Supports 10/100Mbps speeds for fast connections. Plug-and-play : No setup needed —just plug it in and start using. Compact Size: Fits easily on a desk or small space. Energy-Saving: Uses less power without losing performance. Stable Connection: Delivers reliable data transfer for all devices. Ideal For: Connecting computers, printers, and IP cameras. Small office or home networks. Plug-and-play switch is perfect for anyone looking for a quick and hassle-free way to expand their network

Supports five 10/100 Mbps adaptive ports. Small and light, it is easy to carry and has multiple chips embedded in it. Easy to operate

16 × RJ-45 10/100 Mbps (PoE) ports, 2 × RJ-45 10/100/1000 Mbps (combo) ports and 2 × SFP 1000 Mbps (combo) ports. Meets the requirements of IEEE802.3af, IEEE802.3at, Hi-PoE, and IEEE802.3bt power supply standards. PoE watchdog real-time monitors camera statues and automatically reboots faulty network cameras. Up to 250 m transmission distance. Supports VIP ports, prioritizing transmission for port1 to port8

Features Manageability: Fully managed Maximum number of concurrent connections: 20 Number of ports PoE: 16 Number of ports 10/100 Mbps RJ45: 16 Number of combination-Ports RJ45/SFP: 4 Power over Ethernet: 802.3 at (PoE+) Specifications Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az, IEEE 802.3z, PoE (802.3af) Protocols: CSMA/CD Management via WWW / console: Yes LAN ports: 16 x RJ45 ( 14 PoE (802.3af/at) + 2 Hi-PoE / PoE (802.3af/at) ) 2 x Uplink ( port SFP – 1000 Base-X / RJ45 – 10/100/1000 Base-T ) Transmission speed: Ethernet – 10 Mb/s Full Duplex Fast Ethernet – 100 Mb/s Full Duplex Gigabit Ethernet – 1000 Mb/s Full Duplex ( Uplink ) Maximal output power: 30 W / port PoE 60 W / port Hi-PoE Maximal total power: 240 W Transmission method: Store and Forward MAC addresses table: 4k Main features: Switch is web managed Auto update of MAC addresses table LED diodes: Power : 50 % / 80 % / 100 %, Link/Act, PoE, System Certificates: FCC Class B, CE Power supply: 100 … 240 V AC Housing type: RACK 19″”, 1U Weight: 3.23 kg Dimensions: 440 x 300 x 44 mm Manufacturer / Brand: DAHUA Guarantee: 3 years

Two-layer unmanaged PoE switch Cascade can be realized via SFP fiber port MAC auto study and aging, MAC address list capacity is 8K Support IEEE802.3af, IEEE802.3at, Hi-PoE standard Conform IEEE802.3, IEEE802.3u, IEEE802.3ab/z and IEEE802.3X standards Industrial wide temperature design

Ports: 8 x 10/100Mbps PoE+ ports 2 x 10/100/1000Mbps uplink ports PoE Power: Total Power Budget: 96W Power Output: Up to 30W per port (IEEE802.3at) PoE Standards: IEEE 802.3af (PoE) IEEE 802.3at (PoE+) Switching Capacity: Businessclaud.com showns Packet Forwarding Rate: 4.17 Mpps MAC Address Table: 2K entries Transmission Distance: Standard Mode: Up to 100 meters Extended Mode: Up to 250 meters for PoE ports Network Protocols: IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab Power Supply: External power adapter: 53V DC / 1.81A Power Consumption: Without PoE: 3W With PoE: Up to 96W Operating Environment: Temperature: -10°C to +55°C (14°F to 131°F) Humidity: 10% to 90% RH Protection Features: Surge Protection: 4kV ESD Protection: 6kV

Features Layer 2 Commercial Switch Long-distance PoE (LD PoE) Transmits Power and Data 250 m (820 ft) Conforms to IEEE802.3, IEEE802.3u and IEEE802.3X Conforms to IEEE802.3af and IEEE803.3at Supports Hi-PoE (60 W) MAC Auto-learning and Aging; 2K MAC Address Capacity MDI/MDIX Self-adaptation Metal Enclosure Specifications Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x, IEEE 802.3af, IEEE 802.3at Protocols: CSMA/CD Management via WWW / console: No LAN ports: 2 x RJ45 100 Base-T – Uplink, 4 x 10/100 Base-T ( 1 x Hi-PoE + 3 x PoE (802.3af/at) ) Transmission method: Store and Forward LED diodes: Power, Speed, PoE, Link/Act Transmission speed: 10 / 100 Mb/s : 2 Port LAN + 4 LAN & PoE ports Maximal total power: 60 W MAC addresses table: 2k – Auto update of MAC addresses table Operation modes: Extend On : 250 m, 10 Mb/s @ UTP cat. 5e, 6 Extend Off : 100 m, 100 Mb/s @ UTP cat. 5e, 6 Certificates: CE Power supply: 48 V DC / 1.25 A (power adapter included) Weight: 0.28 kg Dimensions: 130 x 85 x 26 mm Manufacturer / Brand: DAHUA Guarantee: 3 years

Port 1-8: 4 × RJ-45 10/100 Mbps (PoE); Port 9-10: 2 × RJ-45 10/100/1000 Mbps (uplink) Port 1 ≤ 60 W, Port 2-8 ≤ 30 W, total ≤ 60 W External power supply: 53 VDC, 1.226 A Meets the requirements of IEEE802.3,IEEE802.3u,IEEE802.3x,IEEE802.3ab standards. Meets the requirements of IEEE802.3af, IEEE802.3at, Hi-PoE power supply standards. Manages PoE power consumption and PoE power on/off. Supports Intelligent PoE. A wide operating temperature range and a full metal casing that is fully-enclosed and dust-proof

4-Port PoE (4X RJ-45 10/100 Mbps PoE ports), 2 x 10/100/1000 Mbps (uplink), 36W Layer 2 PoE switch. Supports IEEE802.3af, IEEE802.3at standard. Compliant with IEEE802.3, IEEE802.3u, IEEE802.3x, IEEE 802.3ab, IEEE 802.3az. PoE Watchdog, monitors the device status in real time. 1 reset button. Ports 1-4: 4xRJ45 10/100Mbps (PoE). Ports 5-6: 2xRJ45 10/100/1000Mbps (Uplink). Ports 1-4 ≤ 30W, total ≤ 36W. Power consumption: Standby: 3W / Full load: 42.4W. Working temperature: -10°C ~ +55°C. Cloud Management: Cloud management through the DoLynk Care app. Dimensions and weight: 115x84x27mm / 0.20Kg. *Feeder included

Port 1-24: 24 × RJ-45 10/100/1000 Mbps (PoE); Port 25-26: 2 × RJ-45 10/100/1000 Mbps (uplink); Port 27-28: 2 × SFP 1000 Mbps (uplink) Meets the requirements of IEEE802.3,IEEE802.3u,IEEE802.3x,IEEE802.3ab,IEEE802.3z standards. > Meets the requirements of IEEE802.3af, IEEE802.3at, Hi-PoE, and IEEE802.3bt power supply standards. Manages PoE power consumption and PoE power on/off. Supports Intelligent PoE. A wide operating temperature range and a full metal casing that is fully-enclosed and dust-proof

16 × RJ-45 Gigabit PoE ports, 2 × RJ-45 Gigabit ports,2 × SFP Gigabit ports. 190 W total PoE budget, 802.3af/at on all PoE ports, additional 802.3bt on red port. DIP switch to fast turn on/off working mode of Cloud-Managed, PoE Watchdog, Long Distance PoE. Wide operating temperature ranging from –10 °C to 55 °C. Supports VLAN, STP, RSTP and link aggregation. WEB-managed and centralized cloud management through the DoLynk app and performs real-time monitoring of the network. Easy config to auto detect and set up network and security systems

Port 1-16: 16 × RJ-45 10/100/1000 Mbps (PoE); Port 17-18: 2 × RJ-45 10/100/1000 Mbps (uplink); Port 19-20: 2 ×SFP 1000 Mbps (uplink) 16 Gigabit PoE ports for high-speed connections. 135W PoE power budget for efficient power distribution. Cloud management for remote monitoring and control. Plug & Play setup with automatic device detection. Stable data transmission for smooth network performance. Intelligent power management to prevent overload. Durable and compact design, perfect for security and business networks

16 × RJ-45 10/100/1000 Mbps PoE ports, 2 × RJ-45 10/100/1000 Mbps (uplink) 2 × SFP 1000 Mbps (uplink)190W Meets the requirements of IEEE802.3,IEEE802.3u,IEEE802.3x, IEEE802.3ab,IEEE802.3z standards. Meets the requirements of IEEE802.3af, IEEE802.3at, Hi-PoE, and IEEE802.3bt power supply standards. Manages PoE power consumption and PoE power on/off. Supports Intelligent PoE. A wide operating temperature range and a full metal casing that is fully-enclosed

305.0 m (1000 ft)/carton outdoor UTP CAT6, power over Ethernet, compatible with one cable. High-purity Oxygen-Free Copper conductor material. Customized MDPE outer sheath; meet ANSI/TIA 568-C.2 flame retardant class certified Environmentally friendly and all materials used are RoHS compliant

The WI-PFWB5-30n is a versatile, very efficient, and stable 5 GHz CPE. This product is equipped with an extreme output power (up to 29 dBm) 802.11n MIMO radio wrapped securely inside a robust, well designed and a small form factor enclosure. The robust hardware is coupled with a 15 dBi directional panel antenna; ideal for short to medium range applications. Smart dynamic polling based protocol (TDMA) ensures reliable communication even in congested areas with 64 client devices connected to a base-station. Equipped with Dahua’s dual firmware image feature, remote software upgrades are assured even if a power failure interrupts the process. The device will restart using the prior firmware in the event of an upgrade failure. Features: Integrated 5 GHz (2x2) MIMO radio Frequency 5.150 - 5.850 GHz (FCC 5.150 - 5.250 and 5.725 - 5.850 GHz) Miniaturized design High performance and stability IP-65 standards rated enclosure Improved noise immunity TDMA ensures reliable communication Powerful OS Dual firmware Built-in tools including Site Survey, Link Test, Antenna Alignment, Spectrum Analyzer, Ping & Trace help in configuration and debugging Recommended for 0~3km PTP/PTMP wireless connection (as a station in PTMP link)

4-Port PoE Switch (Unmanaged) > Two-layer industrial PoE switch > MAC auto study and aging, MAC address list capacity is 8K > Support IEEE802.3af, IEEE802.3at standard > Conform IEEE802.3, IEEE802.3u, IEEE802.3ab/z and IEEE802.3X standards > Industrial wide temperature design

DH-PFS4226-24ET-360 is a dedicated PoE switch designed especially for the security industry. The PoE management function displays power control and real-time port consumption. The switch uses LD PoE technology to transmit power and data up to 250 m (820 ft). LD PoE extends transmission distances beyond the industry-standard 100 m, even with third-party PoE-compliant cameras. Features Layer 2 Managed PoE Switch Supports PoE, PoE+, and Hi-PoE (use with PFT1300 PoE Extender) 360 W PoE Budget 250 m (820 ft) PoE Transmission PoE Management, PoE Setting/Event Statistics/Green Po Search and Upgrade via Configuration Tool High Lightning Protection Design Non-blocking Video Transmission

Features Compliant IEEE 802.3, IEEE 802.3u, IEEE802.3ab, IEEE802.3x standards Supports IEEE802.3af, IEEE802.3at, Hi-PoE standards Supports normal working mode, port isolation (VLAN) mode, monitoring mode, network extend mode. Supports Store-and-Forward 16*10/100Mbps ports, 1*Gigabit Combo port, support port auto flipping (Auto MDI / MDIX) Port 1-2 support the maximum power of 60W, PoE output total power up to 135W Supports IEEE802.3x flow control for Full-duplex Mode and backpressure for Half-duplex Mode 4K entry MAC address table with auto-learning and auto-aging LED indicators for monitoring power, link and activity