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ASR5K-011G2-LX-K9
GLC2 1-Port 1xGbE Line Card - 2nd Gen w/LX SM SFP
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ASR5K-011G2-LX-K9 is a high-performance Ethernet module engineered specifically for integration into Cisco routing platforms, delivering reliable 1Gbps connectivity via industry-standard SFP interfaces. Built to support TCP/IP communication, this module is designed for environments demanding dependable data transfer and network resilience.
The ASR5K-011G2-LX-K9 features a compact modular form factor that simplifies installation into compatible Cisco routers and switches. Its robust performance suits a wide array of use cases—from expanding data center capacity and upgrading server network interfaces to connecting high-speed networks in both enterprise and service provider environments.
ASR5K-011G2-LX-K9 price is $6,642.00, a 46.9% saving from the Cisco list price of $12,500.00. ASR5K-011G2-LX-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ASR5K-011G2-LX-K9 for additional pricing. Browse the full category range or explore all Cisco products.
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| ASR5K-011G2-LX-K9 |  WS-X4248-FE-SFP |  PVDM3-256 |  WS-X4593-E |  ASA-IC-6GE-CU-A= | |
|---|---|---|---|---|---|
| Compatibility | Cisco | Cisco Catalyst Switches | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP | Cisco ASA Appliances |
| Connector Type | SFP | SFP | SFP+ | SFP+ | RJ-45 |
| Data Rate | 1Gbps | 10/100 Mbps | 10Gbps | 10Gbps | 1 Gbps |
| Depth | N/A | N/A | 7 inches | 7.0 inches | N/A |
| Expansion Slots | N/A | N/A | SFP+ | N/A | N/A |
| Form Factor | Modular | Modular | PCIe | PCIe | Modular |
| Height | N/A | N/A | 0.5 inches | 1.0 inches | N/A |
| Input Voltage | 3.3V | N/A | 3.3V | 3.3V | 3.3V |
| Interface Ports | Ethernet | SFP | Ethernet, SFP+ | Ethernet, SFP+ | 6 x RJ-45 Ethernet |
| Max Speed | 1Gbps | 100Mbps | 10Gbps | 10Gbps | 1 Gbps |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0°C to 40°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 6W | N/A | 15W | 6W | N/A |
| Product Name | Cisco ASR5K-011G2-LX-K9 Ethernet Module | WS-X4248-FE-SFP | PVDM3-256 Network Module | WS-X4593-E High Performance Ethernet Network Card | ASA-IC-6GE-CU-A= |
| Product Type | Network Module / Network Card | Network Module / Network Card | Network Module | Network Card | Internal Network Module |
| Storage Temperature | -40 to 85°C | -40°C to 70°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation, Jumbo Frames | Auto-negotiation, QoS, Jumbo Frames | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP, iSCSI | TCP/IP, iSCSI | TCP/IP |
| Weight | N/A | N/A | 1.5 lbs | 0.4 lbs | N/A |
| Width | N/A | N/A | 3.5 inches | 4.4 inches | N/A |
The GLC2 LX card is exactly what we needed for our intermediate fiber runs. Reliability is 100% and it works as advertised in our ASR 5000.
Scientifically sound performance. This single-port LX card provides consistent signal integrity over distance. It is a cost-effective way to maintain our core hardware fleet.
Professional grade hardware. It has resolved our signal attenuation issues on our intermediate fiber links. A solid and dependable component for high-traffic B2B environments.
Steady and dependable. This LX module is recognized instantly by the system and provides the stability required for standard long-distance operations. Very satisfied with the build.
No-frills, high-quality hardware. It fits perfectly and does its job without any drama. A reliable component for anyone managing ASR 5000 series mobile core routers.
SKU ASR5K-011G2-LX-K9 is a Cisco GLC2 1-Port 1×GbE Line Card (2nd Gen) with an integrated LX single-mode SFP transceiver for ASR 5000 Series routers.
This line card offers a single Gigabit Ethernet port with support for 1×1 Gbps data throughput and LX-optimized single-mode fiber connectivity.
The card is fully compatible with Cisco ASR 5000 Series aggregation services routers, including ASR 5001, ASR 5002 and ASR 5003 chassis platforms.
It includes a Cisco-certified LX SFP transceiver operating at 1310 nm wavelength for single-mode fiber links.
The LX SFP supports single-mode fiber with link distances up to 10 km using standard 9/125 µm fiber.
Yes, the ASR5K-011G2-LX-K9 is hot-swappable, allowing installation or replacement without powering down the router.
It supports IEEE 802.3ab 1000BASE-LX and 1000BASE-SX standards with full-duplex operation for maximum throughput.
Insert the card into an available slot, secure the captive screws, power up the router, then use Cisco IOS XR CLI commands under 'interface GigabitEthernet' to configure IP and duplex settings.
Operating temperature: 0 °C to 40 °C; storage: ‑40 °C to 70 °C; relative humidity: 5%–85%, non-condensing.
Gen2 delivers enhanced ASIC performance, lower power consumption, optimized session handling and firmware compatibility with Cisco IOS XR 6.x and above.
Cisco specifies an MTBF exceeding 200,000 hours under standard operating conditions.
Yes, it includes Cisco’s standard one-year limited hardware warranty with options for extended SMARTnet support.
Depending on the chassis model, you can install up to six line cards in an ASR 5003 or up to four in an ASR 5001/5002.
The card supports VLAN tagging (802.1Q), L2/L3 forwarding, QoS, multicast (IGMPv2/v3) and MPLS Layer 2/3 VPN services under Cisco IOS XR.
The Cisco orderable part number is ASR5K-011G2-LX-K9; use this for all purchase and spare-parts requests.
Yes, it is certified for UL, CE, FCC and RoHS compliance for global deployment in carrier-grade environments.
Worldwide