Does Cisco 3504 Wireless LAN controller have HA (High Availability) option ? Many previous Cisco wilress LAN controller like 5508, 5520, 2504 have the HA SKU unit, which could be used for N+1 HA (or clustering on the 5508) without additional license fees – the HA unit supported the maximum amount of APs for 90 […]
Model Comparison of Cisco Router ISR 4000 Series Basic models : Technical Specifications ISR4461/K9 ISR4451-X/K9 ISR4431/K9 ISR4351/K9 ISR4331/K9 ISR4321/K9 ISR4221/K9 Aggregate Throughput 1.5Gbps 1 Gbps to 2 Gbps 500 Mbps to 1 Gbps 200 Mbps to 400 Mbps 100 Mbps to 300 Mbps 50 Mbps to 100 Mbps 35 Mbps to 75 Mbps Total onboard […]
Differences between POE, POE+ and UPOE (POE++) PoE, the abbreviation of ‘Power over Ethernet’，is a technology that delivers power and data safely over the same Ethernet cable for the local area networks (LANs). After many years’ evolving, it developed several types of PoE standards. Nowadays in market you can see POE switch, POE+ and UPOE […]
POE switch is designed to offer both network connection and power supply to one PoE powered device (PD) through one Ethernet cable. And as the demand for deploying PD devices such as IP phones, IP cameras and access points increases, PoE switch is commonly used in today’s enterprise and campus networks for it helps to […]
A fiber optical transceiver is a photonic and electronic device that transmits and receives data over optical fibers rather than electrical wire. It is also called as an optical module or fiber optic module. Choosing a right fiber optic transceiver for your use is very important. Today’s main local carriers are major efforts to develop residential campus network […]
