USR - US Robotics 

USR - US Robotics USR4523 GIG ETH AGGREGATION TAP AGG BREAKOUT SPAN/REGEN MODES

Mfg Part Number:  USR4523  
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Price: $745.22 + Free Shipping
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Last Updated: Oct 21, 2026
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Multi-purpose tap for aggregation, breakout, and span/regeneration.

The USR® Gigabit Ethernet Aggregation TAP eliminates SPAN port contention, oversubscription, and configuration errors with 3 different modes, simple installation, and reliable access to your gigabit ethernet segments.

In aggregation mode this TAP faultlessly combines and processes both the TX and RX streams of data into a single data stream. Improve visibility with two monitor ports sending identical copies of full-duplex data to separate network tools (analyzer, IDS, probe) for simultaneous monitoring and analyzing.

For dual-receive tools, breakout mode is available for individual TX and RX streams.

SPAN/Regenerate mode transmits 3 copies of incoming traffic for up to 3 tools. Ideal for security applications, including link failure propagation for HA designed networks, or anywhere you need non-intrusive dedicated access to your network links for advanced or consolidated monitoring.

USR4523 features | Monitoring and analysis

  • Aggregation mode allows monitoring full-duplex traffic, even with single interface monitoring tools
  • Breakout mode allows monitoring full-duplex traffic with RX and TX streams on separate monitoring ports
  • SPAN/Regeneration mode sends copies to multiple tools to provide access to the same links for system redundancy, testing and advanced monitoring applications
  • Improved visibility into the network - including VLAN tags
  • Ideal for Intrusion Detection System (IDS) applications

Aggregating data

  • Monitor all network traffic from two different sources
  • Improve network troubleshooting by viewing both sides of a full-duplex conversation
  • Combine both directions of a full-duplex data stream in a single trace file
  • Allows flexibility of monitoring devices, including the option to revert to traditional full-duplex dual channel data capture, utilizing single NIC probes for advanced monitoring or hardware reduction

Network stability

  • Fault-tolerant
  • Ideal for 24x7 permanent access - Deploy tools or utilize TAP ports immediately without network traffic interruptions or the need for maintenance windows
  • Eliminate SPAN port contention, oversubscription, and configuration errors
  • Improve overall switch performance by removing port mirror degradation while freeing valuable ports
  • Link Failure propagation for High Availability designed networks ensures instant switch to the secondary link to maintain 100% uptime
Main Specification
General Information
Manufacturer U.S. Robotics
Manufacturer Part Number USR4523
Manufacturer Website Address http://www.usr.com
Brand Name USRobotics
Product Name Gigabit Ethernet Aggregation TAP - USR4523
Product Type Network Tapping Device
Technical Information
Device Function Network Tapping
Interfaces/Ports
Network (RJ-45) Yes
Number of Network (RJ-45) Ports 4
Media & Performance
Media Type Supported Twisted Pair
Network & Communication
Ethernet Technology Ethernet
Ethernet Technology Fast Ethernet
Ethernet Technology Gigabit Ethernet
Power Description
Input Voltage 230 V AC
Input Voltage 5 V DC
Input Voltage 120 V AC
Input Current 1.77 A
Physical Characteristics
Height 6.6"
Width 3.9"
Depth 1.2"
Weight (Approximate) 11.20 oz
Miscellaneous
Package Contents
  • Gigabit Ethernet Aggregation TAP - USR4523
  • 1 x AC Power Supply with Clips for US, UK, EU, AU
  • 2 x Mounting screws
  • Information Card
Application/Usage Network
Application/Usage Security System
Certifications & Standards
  • FCC (Part 15/Class A)
  • CE
  • UKCA
  • Safety STD IEC 62368-1
  • CSA STD C22.2
Environmental Compliance Restriction of Hazardous Substances (RoHS) 3
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)
Warranty
Limited Warranty 2 Year

Rack Equipment

WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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