Cisco CISCO891W-AGN-A-K9 8 Ports Wireless Router Gigabit Refurbished

The CISCO891W-AGN-A-K9 is a powerful Gigabit Ethernet router designed to provide robust wireless security and efficient network management. In this detailed explanation, we will explore the key features and specifications of the CISCO891W-AGN-A-K9 router. From its Gigabit Ethernet capabilities to its wireless standards compliant with IEEE 802.11b/g/n, we'll delve into its functionalities and the significance of its AC 120/230 V (50/60 Hz) 60-Watt External Power Adapter.

The CISCO891W-AGN-A-K9 router is part of the Cisco 800 Series Integrated Services Routers (ISRs) family, known for their versatility and reliability in networking environments. This specific model is equipped with eight Gigabit Ethernet ports, allowing for high-speed data transfer and efficient connectivity.

Gigabit Ethernet is a standard for high-speed wired network connections. With the CISCO891W-AGN-A-K9, users can benefit from the gigabit speeds, ensuring quick data transfer between devices connected to the router. The eight GbE ports offer flexibility in connecting various devices such as computers, printers, and other networking peripherals.

The router supports IEEE 802.11b, which is one of the early standards for wireless networking. Operating in the 2.4 GHz frequency range, it provides a maximum data rate of 11 Megabits Per Second (MBPS). While newer standards have emerged, 802.11b remains relevant for certain applications and devices.

Building on the capabilities of 802.11b, the router is also compatible with IEEE 802.11g. This standard operates in the same frequency range but offers faster data rates, reaching up to 54 MBPS. The inclusion of 802.11g enhances the router's wireless performance, especially in environments with higher data transfer requirements.

The router further supports IEEE 802.11n, a more modern and advanced wireless standard. Operating in both the 2.4 GHz and 5 GHz frequency bands, 802.11n delivers higher data rates and improved reliability. With Multiple Input Multiple Output (MIMO) technology, this standard allows for better signal coverage and reduced dead zones in the wireless network.

Ensuring the security of wireless networks is paramount in today's digital landscape. The CISCO891W-AGN-A-K9 router incorporates robust security features to protect against unauthorized access and potential threats.

The router supports various encryption standards, including WEP (Wired Equivalent Privacy), WPA (Wi-Fi Protected Access), and WPA2. These encryption protocols help safeguard wireless communication by encrypting data transmitted between devices and the router, preventing unauthorized users from intercepting sensitive information.

Virtual LANs provide a way to segment a network into logically isolated subnetworks. The router's support for VLANs enhances network security by isolating traffic and controlling communication between different parts of the network. This feature is particularly useful in enterprise environments where different departments or user groups require separate network segments.

Powering the CISCO891W-AGN-A-K9 router is the AC 120/230 V (50/60 Hz) 60-Watt External Power Adapter. This component plays a crucial role in supplying the necessary electrical power for the router's operation.

The router's power adapter is compatible with both AC 120 V and AC 230 V power sources, allowing for global usability. This flexibility is especially beneficial for users in regions with different voltage standards, ensuring the router can be deployed worldwide without the need for additional power adapters or converters.

The power adapter supports a frequency range of 50/60 Hz. This frequency compatibility ensures the router can operate seamlessly in regions where the standard power frequency is either 50 Hz or 60 Hz. The ability to adapt to different frequencies contributes to the router's versatility and suitability for deployment in diverse geographical locations.

The 60-watt power capacity of the external power adapter signifies its ability to deliver a sufficient amount of electrical power to meet the router's operational requirements. This capacity is suitable for supporting the router's performance, including its Gigabit Ethernet and wireless capabilities, without compromising stability or efficiency.

The CISCO891W-AGN-A-K9 router is equipped with Gigabit Ethernet ports, ensuring high-speed data transfer within the network. Gigabit Ethernet supports data rates of 1 gigabit per second (Gbps), making it suitable for bandwidth-intensive applications such as video streaming, large file transfers, and online gaming.

• 8 Ports for Enhanced Connectivity: With eight ports available, the router facilitates multiple device connections simultaneously. This is particularly beneficial for businesses or households with a high number of devices requiring internet access.
• 54 Megabits Per Second (MBPS): The router supports wireless data transfer speeds of up to 54 megabits per second (MBPS). This speed is suitable for a wide range of applications, including web browsing, email communication, and standard-definition video streaming.=

Power Specifications

• AC 120/230 V (50/60 Hz): The router is designed to operate on a wide range of power inputs, supporting both AC 120V and AC 230V at frequencies of 50Hz or 60Hz. This flexibility makes it suitable for deployment in various regions with different power grid specifications.
• 60-Watt External Power Adapter: The external power adapter provided with the router has a power output of 60 watts. This robust power supply ensures the router's stable and reliable operation, even in demanding network environments.

Compliant Standard

The Cisco CISCO891W-AGN-A-K9 Wireless Security Router is compliant with several industry standards. These standards ensure that the router meets certain performance and safety requirements and that it is compatible with other networking devices and systems.

Here are some of the standards that this part router is compliant with:

• IEEE 802.11n: This is the wireless standard for wireless local area networks (WLANs). It provides higher data rates and improved coverage compared to previous wireless standards, such as 802.11g.
• IEEE 802.3: This is the standard for Ethernet networks. It defines the physical and data link layers of the OSI model, and it specifies the characteristics of the cables and connectors used in Ethernet networks.
• IEEE 802.3ab: This is the standard for Gigabit Ethernet over copper cabling. It defines the physical layer specifications for 1000BASE-T, which is used to transmit Ethernet frames at a rate of 1 Gbps over copper cables.
• IPv4 and IPv6: The router supports both IPv4 and IPv6, the two versions of the Internet Protocol. IPv4 is the current version of IP and is widely used in the internet, while IPv6 is the next generation of IP that provides a much larger address space and improved security features.
• TCP/IP: The router supports the Transmission Control Protocol (TCP) and the Internet Protocol (IP), which are the two main protocols of the Internet.
• VPN protocols: The router supports various VPN protocols, such as IPSec, PPTP, and L2TP, which can be used to establish secure connections between remote networks.
• Safety Standards: The router is designed to meet safety standards such as UL 60950-1, CSA C22.2 No. 60950-1, and EN 60950-1.

High-Reliability

The Cisco CISCO891W-AGN-A-K9 Wireless Security Router is designed to provide high reliability for small to medium-sized businesses. The router includes several features that ensure that the network remains up and running even in the event of a failure or disruption.

One of the key features that contribute to the high reliability of this product router is its support for redundancy protocols such as Hot Standby Router Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP). These protocols allow for automatic failover to a secondary router in the event of a primary router failure, ensuring that network traffic is not interrupted, and the network remains available.

Additionally, the router supports Link Aggregation Control Protocol (LACP) which allows multiple physical links to be bundled together to form a single logical link. This helps to increase the available bandwidth and provide redundancy in the event of a link failure so that the network remains available even if one of the physical links fails.

The router also includes advanced security features such as a firewall, VPN, and Cisco's proprietary security features to protect against network threats, This helps to ensure that the network remains secure even in the event of a failure or disruption.

Furthermore, the router also includes Quality of Service (QoS) features to prioritize and manage network traffic, which is helpful to ensure that the most critical traffic is given priority and that the network remains responsive even during periods of high traffic.

The router runs on Cisco IOS software, which offers a wide range of features and capabilities, such as network management and automation, that can help businesses improve their network performance and security.

• Manufacturer: Cisco
• Model Number or SKU# CISCO891W-AGN-A-K9
• Product: Series 890
• Product Type: Wireless Security Router

• Fast Ethernet Port: Yes
• Gigabit Ethernet Port: Yes
• Number of Broadband (RJ-45) Ports: 2
• Number of Network (RJ-45) Ports: 8
• Ethernet Technology: Gigabit Ethernet Router

• ISM Band: Yes
• ISM Maximum Frequency: 2.40 GHz
• UNII Band: Yes
• UNII Maximum Frequency: 5 GHz
• Wireless LAN Standard: IEEE 802.11n
• Wireless Transmission Speed: 54 Mbps

• Data Link Protocol:
  • Ethernet
  • Fast Ethernet
  • IEEE 802.11b
  • IEEE 802.11a
  • IEEE 802.11g
  • IEEE 802.11n (draft 2.0)
• Frequency Band:
  • 2.4 GHz
• Capacity:
  • IPSec VPN tunnels: 50
• Network / Transport Protocol:
  • L2TP
  • RSVP
  • IPSec
  • FTP
  • DHCP
  • DNS
  • L2TPv3
  • DDNS
• Routing Protocol:
  • OSPF
  • RIP-1
  • RIP-2
  • BGP
  • EIGRP
  • HSRP
  • VRRP
  • NHRP
  • GRE
  • Policy-based routing (PBR)
  • WCCP
• Remote Management Protocol:
  • Telnet
  • SNMP 3
  • HTTP
  • HTTPS
  • SSH
• Manageable:
  • Yes
• Encryption Algorithm:
  • LEAP
  • DES
  • Triple DES
  • MD5
  • SSL
  • TLS
  • PEAP
  • TTLS
  • TKIP
  • WPA
  • WPA2
  • WPA-PSK
  • PKI
  • 128-bit AES
  • 192-bit AES
  • 256-bit AES
• Authentication Method:
  • RADIUS
  • TACACS+

Features

• NAT support
• VPN support
• Load balancing
• VLAN support
• Auto-uplink (auto MDI/MDI-X)
• IGMP snooping
• Traffic shaping
• Stateful Packet Inspection (SPI)
• Content filtering
• DiffServ support
• MAC address filtering
• IPv6 support
• High Availability
• Intrusion Prevention System (IPS)
• URL filtering
• Stateful Failover
• Class-Based Weighted Fair Queuing (CBWFQ)
• Weighted Fair Queuing (WFQ)
• MIMO technology
• Spanning Tree Protocol (STP) support
• Wi-Fi Multimedia (WMM) support
• Access Control List (ACL) support
• Quality of Service (QoS)
• Link Fragmentation and Interleaving (LFI)
• Dynamic Multipoint VPN (DMVPN)
• WAN failover
• DHCP server
• Virtual Route Forwarding-Lite (VRF-Lite)
• DNS proxy
• Bidirectional Forwarding Detection (BFD)

Compliant Standards

• IEEE 802.1D
• IEEE 802.1Q
• IEEE 802.11b
• IEEE 802.11a
• IEEE 802.11g
• IEEE 802.1x
• IEEE 802.11i
• IEEE 802.3ah
• Wi-Fi CERTIFIED
• IEEE 802.1ag
• IEEE 802.11n (draft 2.0)
• CISPR 24
• EN 61000-3-2
• EN55022
• ICES-003
• EN 61000-3-3
• EN55024
• CISPR 22
• EN50082-1
• EN55022 Class B
• ICES-003 Class B
• EN 61000-6-1
• AS/NZ 3548 Class B
• EN 60555-2
• FCC CFR47 Part 15
• EN300-386
• FCC CFR47 Part 15 B
• VCCI V-3

Memory

• RAM: 512 MB (installed) / 768 MB (max)
• Flash Memory: 256 MB (installed) / 256 MB (max)

Expansion / Connectivity

• LAN: 8 x 10Base-T/100Base-TX - RJ-45
• Management: 1 x console - RJ-45
• WAN: 1 x 10Base-T/100Base-TX - RJ-45
• WAN: 1 x 10Base-T/100Base-TX/1000Base-T - RJ-45
• Management: 1 x auxiliary - RJ-45
• Peripheral: 2 x USB 2.0 - 4 pin USB Type A
• WAN: 1 x modem

Power Description

• Power Device: External power adapter - 60-watt
• Voltage Required: AC 120/230 V (50/60 Hz)

Software / System Requirements

• OS Provided: Cisco IOS Advanced IP services

In general, the CISCO891W-AGN-A-K9 Gigabit Ethernet Wireless Security Router stands out as a versatile and powerful networking solution. Its Gigabit Ethernet connectivity, adherence to IEEE 802.11b/g/n standards, wireless security features, and flexible power specifications make it suitable for a wide range of applications. Whether in a home, small business, or enterprise setting, this router offers the performance and security necessary for today's demanding networking needs.