Name: Looprunner Subtend
Brand: Cisco
Price: 227.95 USD
Availability: InStock

Cisco 800-04172-02 Looprunner Subtend

The Cisco Looprunner Subtend (part number 800-04172-02) is a high-performance fiber optic loopback module designed for rapid testing, troubleshooting and validation of optical networks. Engineered for seamless integration with Cisco routers and switc... Read More

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$227.95

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In Stock: 1
Manufacturer: Cisco
Model or Part: 800-04172-02
Condition: Refurbished
Weight: 1.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview
The Cisco Looprunner Subtend (part number 800-04172-02) is a high-performance fiber optic loopback module designed for rapid testing, troubleshooting and validation of optical networks. Engineered for seamless integration with Cisco routers and switches, this compact accessory provides a reliable, plug-and-play solution that enables technicians to simulate network traffic and verify link integrity without disrupting live traffic.

Key Features

Easy insertion into standard SFP or SFP+ ports for immediate activation
Supports both single-mode and multimode fiber types
Built-in attenuation control for precise signal level testing
Robust metal housing for durability in harsh data center environments
LED status indicator for quick visual confirmation of loopback operation

Technical Specifications

Form factor: SFP / SFP+ compatible
Operating wavelength: 1310 nm and 1550 nm
Insertion loss: less than 0.5 dB
Return loss: greater than 55 dB
Temperature range: 0 deg to 70 deg C operating, -40 deg to 85 deg C storage
Power consumption: less than 0.5 W
Connector type: LC duplex

Applications
The Looprunner Subtend is ideal for a wide range of scenarios, including:

Network acceptance testing and certification
Field troubleshooting of fiber links
Performance benchmarking of transceivers and optical modules
Training environments for network engineers
Continuous monitoring in high-availability data centers

By providing a reliable, low-maintenance loopback solution, the Cisco Looprunner Subtend helps reduce downtime, accelerate fault isolation and ensure optimal performance of your optical infrastructure.