CISCO891W-AGN-A-K9 - Cisco 800 Series Integrated Services Routers Overview
CISCO891W-AGN-A-K9 - Cisco 800 Series Integrated Services Routers is a genuine edge and wide-area routing product from Cisco, a leading enterprise networking vendor whose Catalyst, Nexus and ISR families power campus, data-center and branch networks worldwide. Belonging to the Cisco 800 Series family, the CISCO891W-AGN-A-K9 unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is deployed as a standalone unit or as part of a larger managed network, following the standard operating procedures of the platform.
This unit follows the original factory specification for the Cisco 800 Series family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Cisco equipment already deployed in the network.
Typical deployments include branch and campus WAN connectivity, service-provider edge and MPLS deployments, and secure remote-site interconnect. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “Cisco 891 GigaE SecRouter w/ 802.11n a/b/g FCC Comp”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the CISCO891W-AGN-A-K9. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise WAN
Branch and campus routing with advanced services.
Service Provider
Edge routing for ISP and MPLS deployments.
Data Center
Interconnect core and aggregation layers reliably.
Buying a Pre-Owned CISCO891W-AGN-A-K9
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
CISCO891W-AGN-A-K9 Specification | |
Product number | CISCO891W-AGN-A-K9 |
Description | Cisco 891W Gigabit Ethernet security router with802.11n, FCC compliant |
Default and maximum DRAM | ● 512 and 768 MB, respectively, on Cisco 891 and 892 Series data models; upgrade option available |
Default and maximum flash memory | ● 256 on all Cisco 890 models; not upgradable |
WAN | 1-port GE 1-port FE |
LAN switch | 8-port 10-/100-Mbps managed switch |
Separate console and auxiliary ports | ● RJ-45 |
USB 2.0 | ● Two USB 2.0 ports available on Cisco 891, 892, and 892F models ● One USB 2.0 port available on Cisco 892FSP, 896VA, 897VA, 898EA, and 891F ● USB devices supported: ◦ USB eTokens on Cisco 891, 892, and 892F only ◦ USB flash memory |
Inline PoE | ● Optional internal adapter for inline PoE on 4 switch ports for IP phones or external wireless access points; 802.3af compliant and Cisco PoE compliant ● No PoE support on Cisco 892FSP |
Wireless specifications | 2.4 and 5 GHz |
Data rates supported | ● 802.11a: 6, 9, 12, 18, 24, 36, 48, and 54 Mbps ● 802.11b: 1, 2, 5.5, 6, 9, and 11 Mbps ● 802.11g: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, and 54 Mbps ● 802.11n: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 54, and m0-m15 |
Maximum transmit power (2-channel aggregate) | ● 802.11a: 15dBm ● 802.11b: 20 dBm ● 802.11g: 17 dBm ● 802.11n: 16 dBm Note: Maximum power setting is subject to change by channel and by region, depending on regulations |
Physical dimensions and weight | Product dimensions: Wireless models: ● H x W x D = 1.9 x 12.8 x 10.4 in. (4.8 x 32.5 x 26.4 cm) (includes rubber feet) ● H x W x D = 1.75 x 12.8 x 10.4 in. (4.5 x 32.5 x 26.4 cm) (without rubber feet; excludes antennas) ● Weight: 5.5 lb (2.5 kg) maximum |
External power supply | Product power specifications: AC input voltage: Universal 100 to 240 VAC Frequency: 50 to 60 Hz Maximum output power: 60W Output voltages: 12 VDC Optional POE: Separate 80W POE power supply for Cisco 891 and 892 ISRs Single 125W power supply required for Cisco 896, 897, 898 and 891F for router and PoE External output voltage: 48 VDC |
CISCO891W-AGN-A-K9 - Product Notes
This listing is a specific SKU variant of the CISCO891W-AGN-A-K9 family. Review the specifications above and confirm compatibility with your existing infrastructure, including software version, mounting, and interface requirements, before ordering.
For volume requirements we offer configuration checks and staged delivery options. Our team can confirm revision levels, software compatibility, and lead time before you place an order.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation.
CISCO891W-AGN-A-K9 - Product Notes
This listing is a specific SKU variant of the CISCO891W-AGN-A-K9 family. Review the specifications above and confirm compatibility with your existing infrastructure, including software version, mounting, and interface requirements, before ordering.
For volume requirements we offer configuration checks and staged delivery options. Our team can confirm revision levels, software compatibility, and lead time before you place an order.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation.
CISCO891W-AGN-A-K9 - Cisco Series Notes
This listing is part of the Cisco enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Cisco router is positioned at the WAN edge, branch, or service-provider aggregation point. It provides routing, VPN, QoS and security services, and integrates with Cisco IOS-XE / IOS-XR management.
Deployment guidance: When planning this CISCO891W-AGN-A-K9 unit into a network, confirm the software image (IOS/IOS-XE/NX-OS) required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Cisco reconditioning process: Every pre-owned Cisco unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Cisco management tools.
Related models in this family: CISCO892-K9, CISCO891-K9, CISCO888-K9, CISCO876-K9, CISCO877W-G-J-K9. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.
Model code: K9 = Cryptographic (encryption) software feature set - this suffix indicates the feature set, power, or regulatory variant of the CISCO891W-AGN-A-K9, which affects software licensing and regional compliance.
