Name: A9K-40GE-L Cisco 40-Port Gigabit Ethernet Low-Queue Line Card
Brand: Cisco
SKU: A9K-40GE-L
Price: 249.00 USD
Availability: InStock
Rating: 4.8 (124 reviews)

Product Overview
The Cisco ASR 9000 40-Port Gigabit Ethernet Low-Queue Line Card (A9K-40GE-L) expands the interface capacity of ASR 9000 routers by providing 40 Gigabit Ethernet ports. It features a low-queue architecture aimed at optimizing packet handling for network traffic. The card requires separate SFP modules to establish physical connections and fits into the modular chassis of the ASR 9000 series.

General Information
Brand	Cisco

Technical Information
Series	Cisco ASR 9000 Series
product type	40-Port Gigabit Ethernet Low-Queue Line Card (requires SFP)
Product Category	Line Card
Compatibility	Cisco ASR 9000 Series routers (A9K chassis)

Miscellaneous
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL, cULus

Physical Characteristics
Form Factor	Modular line card (plug-in)
Weight	3.00
Condition	Refurbished

Product Description
The Cisco ASR 9000 40-Port Gigabit Ethernet Low-Queue Line Card (A9K-40GE-L) provides high-density 40-port Gigabit Ethernet connectivity designed for use with Cisco ASR 9000 series aggregation services routers. It is engineered to handle large-scale network traffic with improved packet queuing efficiency due to its low-queue architecture. This line card is typically deployed in service provider or large enterprise edge networks requiring scalable, flexible port density and reliable Ethernet aggregation. Key Features Offers 40 Gigabit Ethernet ports for extensive network interface density Low-queue design minimizes packet latency and improves traffic flow Integrates with Cisco ASR 9000 routers for modular expansion Requires SFP modules to support fiber or copper physical layers Supports standard Gigabit Ethernet protocols and speeds This line card plays a critical role in extending the port capacity of ASR 9000 routers, enabling service providers and enterprises to manage high volumes of Ethernet traffic efficiently. Its design supports flexible deployment scenarios where both high density and optimized traffic queuing are required.

Use Cases
This line card is suitable for service providers and large enterprises needing to increase Gigabit Ethernet port density in their edge or aggregation routers. It is designed for environments that require efficient packet processing with a focus on reduced queuing delays. How It's Used: Expanding Gigabit Ethernet interfaces on Cisco ASR 9000 routers in telecom aggregation networks Supporting high-density Ethernet connectivity in large enterprise WAN edge deployments Facilitating flexible network architecture by allowing modular port additions Optimizing packet forwarding performance with low-queue design in high-traffic environments Enabling fiber or copper connections through compatible SFP modules The line card provides scalable Ethernet connectivity, essential for network growth and high-demand data traffic management. It serves to increase the flexibility and capacity of ASR 9000 routers without compromising packet handling efficiency.

FAQ's
What type of SFP modules does the A9K-40GE-L require? The A9K-40GE-L requires compatible Cisco SFP modules to provide fiber or copper physical interfaces. The specific SFP type depends on the network media and speed requirements. Is this line card compatible with all Cisco ASR 9000 models? The A9K-40GE-L is designed specifically for Cisco ASR 9000 series routers that support modular line cards. Compatibility should be confirmed against the exact router model and software version. What does the low-queue feature mean on this line card? Low-queue architecture refers to the card’s design to minimize packet queuing delays, improving traffic flow and reducing latency in congested network conditions. Can this line card support copper Ethernet connections? Yes, if used with appropriate copper SFP modules, the line card can support copper Gigabit Ethernet connections. How many ports does the A9K-40GE-L provide? The line card provides 40 Gigabit Ethernet ports for high-density network connectivity within ASR 9000 routers. Does installation of the A9K-40GE-L require special configuration? Installation requires standard Cisco ASR 9000 procedures for adding line cards; configuration depends on network design and routing requirements.

A9K-40GE-L Cisco 40-Port Gigabit Ethernet Low-Queue Line Card

Product Overview

General Information

Technical Information

Miscellaneous

Physical Characteristics

Product Description

Use Cases

FAQ's