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Silver rectangular desktop network appliance with two WAN and eight LAN Ethernet ports on the front

Cisco Systems, Inc.

Cisco Systems, Inc. 890 Series C892FSP-K9 firewall appliance 2 WAN 8 LAN

SKU CH-GSDR-HC35W

Gigabit security router with dual WAN, eight-port managed switch, SFP uplink and USB console for Metro Ethernet CPE deployments

  • StandardsIEEE 802.3, IEEE 802.3u,IEEE 802.3ab
  • Speed10/100/1000Mbps
  • WAN Ports2 x 10/100/1000Mbps
  • LAN Ports8 x 10/100/1000Mbps
  • FeaturesWAN Interface: 1-port GE or 1-port SFP 1-port GE LAN Interfa
  • Dimensions1.82" x 12.71" x 9.78"
  • Dual WAN ports enable link redundancy and load balancing with two Gigabit Ethernet uplinks
  • Eight managed Gigabit LAN ports connect multiple wired devices without an extra switch
  • SFP uplink option supports fibre Metro Ethernet hand-off for service-provider circuits
  • Universal 100–240 VAC input allows deployment worldwide on 50 or 60 Hz mains
  • Compact 1.82 × 12.71 × 9.78 inch chassis fits dense rack or desktop installations

Cisco 892FSP-K9 security router

The Cisco 892FSP-K9 is a Gigabit Ethernet security router built for small offices and service-provider Metro Ethernet CPE deployments. It combines two WAN ports and an eight-port managed LAN switch in a single desktop appliance. Integrated USB 2.0, AUX and console ports give administrators multiple management options. The unit ships new and supports universal AC input from 100 to 240 VAC at 50 to 60 Hz.

WAN interface limits

One WAN port is a fixed copper Gigabit Ethernet interface and the second is a combo port that operates as either copper Gigabit Ethernet or an SFP slot, but not both simultaneously. Both WAN interfaces conform to IEEE 802.3, 802.3u and 802.3ab standards and negotiate at 10, 100 or 1000 Mbps. Failover protection and load balancing are available across the two WAN links. The SFP transceiver itself is not included and must be sourced separately.

Eight-port managed LAN switch

The LAN side presents eight 10/100/1000 Mbps ports that function as a managed switch, allowing VLANs and basic Layer 2 features for connected devices. PoE capability is optional and not confirmed for this specific unit, so buyers who need to power IP phones or cameras directly from the switch should verify before purchase. The chassis measures 1.82 by 12.71 by 9.78 inches and weighs up to 5.5 lbs.

Highlights

  • Dual WAN ports enable link redundancy and load balancing with two Gigabit Ethernet uplinks
  • Eight managed Gigabit LAN ports connect multiple wired devices without an extra switch
  • SFP uplink option supports fibre Metro Ethernet hand-off for service-provider circuits
  • Universal 100–240 VAC input allows deployment worldwide on 50 or 60 Hz mains
  • Compact 1.82 × 12.71 × 9.78 inch chassis fits dense rack or desktop installations

Specifications

BrandCISCO
Series890 Series
ModelC892FSP-K9
StandardsIEEE 802.3, IEEE 802.3u,IEEE 802.3ab
Speed10/100/1000Mbps
WAN Ports2 x 10/100/1000Mbps
LAN Ports8 x 10/100/1000Mbps
FeaturesWAN Interface:
1-port GE or 1-port SFP
1-port GE
LAN Interfaces: 8-port 10-/100-/1000-Mbps managed switch
Integrated USB 2.0/AUX/Console: Yes/Yes/Yes
Power supply:
Universal 100 to 240 VAC
Frequency: 50 to 60 Hz
Maximum output power: 60W
Output voltages: 12 VDC
Dimensions1.82" x 12.71" x 9.78"
Weight5.5 lbs. maximum

Questions about this item

Should I pick the model with the SFP WAN port or the one with two copper WAN ports?

This C892FSP-K9 unit includes one fixed Gigabit Ethernet WAN port and one combo port that accepts either a second copper link or an SFP module, giving you the choice of fibre or copper on the second WAN without buying a different SKU.

What does the 10/100/1000Mbps rating mean for actual throughput on the LAN switch?

The eight LAN ports form a managed Gigabit switch, so each connected device can negotiate up to 1 Gbps full-duplex; aggregate throughput depends on the traffic mix and the router's forwarding capacity, not on a single port limit.

Which Ethernet standards do the WAN and LAN interfaces follow, and what speed ceiling does that set?

The ports comply with IEEE 802.3, 802.3u and 802.3ab, which define 10 Mbps, 100 Mbps and 1 Gbps Ethernet respectively, so the highest negotiated speed on any port is 1 Gbps.

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