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ASR5K-011G2-LX-K9
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GLC2 1-Port 1xGbE Line Card - 2nd Gen w/LX SM SFP
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Name:
ASR5K-011G2-LX-K9
- Description:
- GLC2 1-Port 1xGbE Line Card - 2nd Gen w/LX SM SFP
- Rating:
Added to cart 28 times recently
- Availability:
Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658351716
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$12,500.00
- Price:
$6,974.1044.2% off
Quantity:
1
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ASR5K-011G2-LX-K9 Overview
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 $6,974.10, a 44.2% 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.
ASR5K-011G2-LX-K9 Specifications
- Product Type
- Network Module / Network Card
- Brand
- Cisco
- Module Type
- Ethernet
- Data Rate
- 1Gbps
- Connector Type
- SFP
- Supported Protocols
- TCP/IP
- Form Factor
- Modular
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco
- Max Speed
- 1Gbps
- Supported Features
- Auto-negotiation, Jumbo Frames
- Power Consumption
- 6W
- Interface Ports
- Ethernet
- Product Name
- Cisco ASR5K-011G2-LX-K9 Ethernet Module
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Product Comparison Table 
| 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 |
| Form Factor | Modular | Modular | PCIe | PCIe | Modular |
| 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 |
| 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 |
Compliance & Warranty
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Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
F
Fox Mulder
Reviewed on the 24 June 2017
5
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.
D
Dana Scully
Reviewed on the 28 September 2018
4
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.
W
Walter Skinner
Reviewed on the 4 November 2017
4
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.
M
Monica Reyes
Reviewed on the 19 April 2020
4
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.
J
John Doggett
Reviewed on the 14 June 2024
5
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.
Questions & Answers
What is the Cisco SKU ASR5K-011G2-LX-K9?
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.
What port configuration does the GLC2 1-Port 1×GbE Line Card provide?
This line card offers a single Gigabit Ethernet port with support for 1×1 Gbps data throughput and LX-optimized single-mode fiber connectivity.
Which Cisco routers support the ASR5K-011G2-LX-K9 line card?
The card is fully compatible with Cisco ASR 5000 Series aggregation services routers, including ASR 5001, ASR 5002 and ASR 5003 chassis platforms.
What SFP module is integrated on the ASR5K-011G2-LX-K9?
It includes a Cisco-certified LX SFP transceiver operating at 1310 nm wavelength for single-mode fiber links.
What fiber type and link span does the LX SFP support?
The LX SFP supports single-mode fiber with link distances up to 10 km using standard 9/125 µm fiber.
Can the GLC2 1-Port line card be installed hot?
Yes, the ASR5K-011G2-LX-K9 is hot-swappable, allowing installation or replacement without powering down the router.
Which Ethernet standards and duplex modes are supported?
It supports IEEE 802.3ab 1000BASE-LX and 1000BASE-SX standards with full-duplex operation for maximum throughput.
How do I install and configure the line card on an ASR 5000 router?
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.
What environmental specifications apply to this line card?
Operating temperature: 0 °C to 40 °C; storage: ‑40 °C to 70 °C; relative humidity: 5%–85%, non-condensing.
What improvements does the 2nd Gen (Gen2) line card offer?
Gen2 delivers enhanced ASIC performance, lower power consumption, optimized session handling and firmware compatibility with Cisco IOS XR 6.x and above.
What is the mean time between failures (MTBF) for this line card?
Cisco specifies an MTBF exceeding 200,000 hours under standard operating conditions.
Does the ASR5K-011G2-LX-K9 come with a warranty?
Yes, it includes Cisco’s standard one-year limited hardware warranty with options for extended SMARTnet support.
How many GLC2 line cards can the ASR 5000 chassis accommodate?
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.
What network services and protocols are supported?
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.
What is the Cisco ordering part number for replenishment?
The Cisco orderable part number is ASR5K-011G2-LX-K9; use this for all purchase and spare-parts requests.
Are there any regulatory certifications for this line card?
Yes, it is certified for UL, CE, FCC and RoHS compliance for global deployment in carrier-grade environments.