Cisco CPAK-100G-LR4 network transceiver module Fiber optic

Name: Cisco CPAK-100G-LR4 network transceiver module Fiber optic
Brand: Cisco
SKU: CPAK-100G-LR4-VHBRSN
Price: 166.50 USD
Availability: InStock
Rating: 5 (13 reviews)

Mfr. Part #: CPAK-100G-LR4

Brand: Cisco

Condition: New

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overview

specifications

faqs

reviews

overview

CPAK-100G-LR4 Overview

CISCO CPAK-100G-LR4 Transceiver Module - 100 Gigabit Ethernet, 10 Km Smf.

Summary Description

Cisco CPAK-100G-LR4. SFP transceiver type: Fiber optic, Maximum transfer distance: 10000 m

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specifications

Specifications

Overview

Condition	New
Brand	Cisco
Stock	In Stock

Performance

SFP transceiver type	Fiber optic
Single-mode fiber (SMF) supported	Yes
Maximum transfer distance	10000 m

faqs

Frequently Asked Questions

What is the primary transmission distance supported by the Cisco CPAK-100G-LR4 module? +

The CPAK-100G-LR4 transceiver is designed for long-reach applications, supporting link lengths of up to 10 kilometers over standard single-mode fiber (SMF). It utilizes four wavelengths in the 1310nm range, multiplexed and demultiplexed within the module to deliver high-bandwidth 100G connectivity across campus and metropolitan area networks.

Is the CPAK-100G-LR4 compatible with all Cisco switches that support the CPAK form factor? +

This module is engineered for high-density 100G platforms such as the Cisco Nexus 7000 and 7700 series, as well as the Cisco ASR 9000 series routers. Before deployment, always verify your specific line card or chassis supports the CPAK form factor to ensure proper physical fitment and electrical compatibility for your network architecture.

How does the CPAK form factor compare to standard QSFP28 modules for 100G networking? +

Cisco’s proprietary CPAK form factor offers a distinct advantage in port density and power efficiency compared to traditional CFP or early-generation transceivers. By utilizing a smaller physical footprint, these modules allow for more 100G ports per line card, helping enterprise-grade data centers maximize their rack space and overall system throughput while maintaining rigorous performance standards.

Does the CPAK-100G-LR4 require specific configuration on Cisco IOS or NX-OS? +

Once the module is inserted into a compatible Cisco platform, the system typically recognizes the CPAK optic automatically. You may need to ensure your software version supports the specific transceiver type. Standard interface commands in IOS or NX-OS are used to manage the port status, monitor optical light levels, and configure speed or operational parameters as required by your network fabric.

What are the common deployment scenarios for this 100G LR4 transceiver? +

The CPAK-100G-LR4 is ideal for high-speed backbone connections between data centers or interconnecting core switches across a large campus. Its 10-kilometer reach makes it a versatile choice for bridging distant network segments while maintaining the low-latency performance required for heavy data traffic, streaming services, and high-performance computing environments.

How can I monitor the optical performance of the CPAK-100G-LR4 module? +

Cisco modules support Digital Optical Monitoring (DOM) capabilities, allowing administrators to access real-time diagnostic data. By executing show commands on your switch, you can view precise metrics including transmit/receive power, temperature, and laser bias current. This granular visibility is critical for proactive troubleshooting and ensuring the physical fiber link remains within operational specifications.

Does the CPAK-100G-LR4 support breakout configurations for lower-speed connections? +

The CPAK-100G-LR4 is specifically optimized for 100Gbps point-to-point links using LC connectors. Unlike some multi-rate transceivers, this module is dedicated to 100G full-bandwidth delivery. It is best utilized for high-capacity uplinks where the entire bandwidth is necessary to prevent bottlenecks between aggregation and core layers in a high-traffic enterprise network.

What power consumption considerations should I keep in mind for this CPAK module? +

Cisco CPAK modules are designed with power efficiency as a core feature, consuming significantly less power than older CFP-based modules. While they are efficient, you should always consult the hardware power calculator for your specific chassis to ensure your power supply units can handle the cumulative load of a fully populated switch chassis with multiple CPAK-100G-LR4 units installed.

How can I request a bulk quote for multiple CPAK-100G-LR4 modules? +

For organizations requiring large quantities of networking hardware, BuyRouterSwitch.com makes the procurement process efficient and simple. Navigate to our contact page or use the request-a-quote feature on our site to provide your SKU list and quantities. Our sales team will promptly generate a competitive pricing proposal tailored to your specific volume requirements for your upcoming enterprise infrastructure project.

Why should I source my Cisco networking hardware from BuyRouterSwitch.com? +

BuyRouterSwitch.com is a trusted source for enterprise-grade networking components, providing authentic Cisco hardware to ensure seamless integration and reliability within your existing infrastructure. We prioritize secure ordering processes and streamlined logistics to get the hardware you need into your data center without unnecessary delays. Experience reliable service and professional expertise by making us your primary partner for high-performance optical networking equipment.

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