PowerSync Analyzer: A Family of PSE Test Instruments
Configurable PSE Test Instruments & Software for Testing PoE Power Sourcing Equipment. What do you need in a PSE Tester?
PSE Test Instruments
Most Compact

Lowest Cost Per Port

Test Suites & Options
*Requires PSA-3000 or PSA-3402

*Requires PSA-3000
or PSL-3000

*Requires PSL-3424A or PSL-3424L

PowerSync Analyzer
Sifos Technologies offers the PowerSync® Analyzer in two form factors: The multi-slot PSA-3000 and the compact PSA-3402. Both PSE test instruments support the world’s most comprehensive and automated PSE Conformance Test Suites covering PSE’s that power up to 30W on 2-pairs and up to 90W on 4-pairs.
PSA-3000
Connects up to 24 PSE ports and provides access to the PSE Conformance Test Suite, the Multi-Port Suite, and LLDP Emulation and Analysis.
PSA-3402
Compact and transportable configuration supporting PSE Conformance Test Suite and LLDP Emulation and Analysis options.
Key Features
- Continuous 2-Pair Loading > 47 Watts Per PSE Port
- Continuous 4-Pair Loading > 99 Watts Per PSE Port
- Industry Leading IEEE 802.3 PSE Conformance Tests
- Unique, Fully Automated Multi-Port PSE System Analysis for 802.3at
- Flexible 802.3at & 802.3bt Powered Device Emulation
- Robust Software Including PSA Interactive Graphical User Interface
- One-Click 2-Pair and 4-Pair PSE Waveform Analysis
- Flexible PoE LLDP Emulation and LLDP Protocol Analysis
- Flexible and Accurate Measurements of Voltage and Current
- Noise Immune Triggering and Flexible Load Transients
- Ethernet 10/100 Control Interface
- Smart Fan Control – Runs Cool and Quiet
- Comprehensive Safety and RF Certifications
PSA-3000 / PSL-3000 Software
Included with every PSE test instrument in the PSA-3000 family are PSA Interactive (GUI) and PowerShell PSA (script automation) software. Whether running test suites, setting up PD emulations, analyzing specific PSE behaviors, or automating QA tests, PSA Software enables high productivity and rapid results.
General Features
- Access and Configure Test Suites from Menus or Command Lines
- Extensive User / Programmer Documentation
- Manage PSE Descriptions and Test Port Configurations
- Perform Flexible Power-Up Emulations - Emulate all 802.3at and 802.3bt PD's and many Proprietary 4-Pair PD's
- Configure and Manage Meters, Triggers, Static and Transient Loads, Signature Types and Values, and LLDP Resources
PSA Interactive
- Intuitive Management of All Test Port Resources
- Rapid Access to PD Emulations, One Click Waveforms, and Test Suites
- One-Click Waveforms (PSA-3000) - Analyze Detection/ CC, Classification, Power-Ups, Inrush, Transients, Overloads, MPS, Disconnects (not available on PSL 3000)
- Supported with PSA-3000 and PSL-3000 Instruments
PowerShell PSA Software
- Extensive Interactive Command Language Built Upon Tcl/Tk
- Manage All Test Port Resources Using Intuitive and Self-Documented Commands
- High Level Utilities Support Flexible PD Emulations, PSE Attribute Management, PSE Connection Verification, Test Suite Sequencers, and Diagnostic Troubleshooting
- PowerShell Wish and PowerShell Tcl Command Consoles
- PowerShell PSA Editor Plug-In for Notepad++
PSE Conformance Test Suites
Whether testing single port injectors or 48 port PSE’s, Sifos offers the ultimate solution to assess PSE conformance to all applicable IEEE specifications. With the click of a button, fully automated testing and reporting delivers comprehensive and informative results including difficult-to-spot intermittent conformance behaviors. Available to PSA-3000 and PSA-3402 PSE test instruments.
2-Pair 802.3bt / 802.3at PSE's
- Robust 2-Pair 802.3at (Type-1, 2) / 802.3bt (Type-3) PSE Conformance Testing
- Fully Automated Port Sequencing and Statistics
- Greater than 95% 802.3at PICS Coverage from 23 Fully Automated Tests
- Pop-Up Excel Reports Covering 1 to 24 Ports
- Widely Used by PSE System and Silicon Manufacturers World Wide
4-Pair 802.3bt PSE's
- Robust 4-Pair 802.3bt (Type-3,4) PSE Conformance Testing
- Fully Automated Port Sequencing and Statistics - Test up to 24 ports with the PSA-3000
- Catch Both Repeatable and Intermittent Specification Compliance Issues
- Greater than 92% 802.3bt PICS Coverage from 24 Fully Automated Tests
- Pop-Up Excel Reports Covering 1 to 24 Ports
- Widely Used by PSE System and Silicon Manufacturers World Wide

Click above to see a video introduction to the highly automated PSE Conformance Test Suite for 2-Pair, 802.3at PSE’s.
(~12 min.)
Open 4-Pair Sample Report
Open 2-Pair Sample Report
PowerSync Programmable Loads (PSL-3424, PSL-3000)
The PSL-3424 is Sifos’ newest member to the PSA-3000 family of PSE test instruments. It uniquely offers capability to continuously load up to 24 4-Pair, 100 watt capable PSE ports simultaneously. It also introduces new testing features not previously available in the PSL-3000 Programmable Load.
The PSL-3000 is Sifos’ lowest cost-per-port solution for PSE loading and testing. It supports the 2-Pair Multi-Port Suite including the 2-Pair Multi-Port Test Suite for automated PSE system and power management analysis. It can provide continuous 99W loading on up to 12 802.3bt PSE ports simultaneously.
Both instruments are managed using PSA Interactive and PowerShell PSA software environments and, like the PSA-3000, both instruments are fully certified to industry safety and emissions standards.
Key Features: PSL-3424A / PSL-3424L
- Continuous 4-Pair Loading > 99 Watts Per PSE Port x 24 Ports
- Continuous 2-Pair Loading > 47 Watts Per PSE Port x 24 Ports
- Robust Software Including PSA Interactive Graphical User Interface
- Flexible 802.3at / 802.3bt Powered Device Emulation Including PoE LLDP (PSL-3424L)
- Efficient Cooling with Smart Fan Control, 15 dB quieter than PoE5
- Comprehensive Safety and Compliance Certifications
- Fully Automated, One-Click PSE Inspection Testing
- One-Click Specification Limit Load Cases
- Efficient Snaked Data Testing of 10/100/1000 and Multi-Gig Ports
- Fully Automated PoE LLDP Protocol Analysis
- High Level Script Automation with Powerful Single Command Utilities
No YouTube access? Watch video on bilibili
Key Features: PSL-3000 / PSL-3224
- Connect up to 24 802.3at and/or 802.3bt PSE Ports
- Supports 2-Pair (802.3at/802.3bt) PSE Multi-Port Suite
- Supports PoE LLDP Emulation / Analysis
- Continuous 2-Pair Loading > 47 Watts Per PSE Port x 24 Ports
- Continuous 4-Pair Loading > 99 Watts Per PSE Port x 12 Ports
- Flexible 802.3at / 802.3bt PD Emulations
- PSA Interactive (GUI) and PowerShell PSA (script automation) Software
- DC Voltage, Current, and Power Metering on 2-Pair and 4-Pair PSE’s
- Supports PSE Packet Transmission Testing with PoE Loads
-
Smart Fan Control – Runs Cool and Quiet
- Fully Certified Commercial Test Instrument, Extensively Documented
Multi-Port Suite
While most PSE ports are part of multi-port PSE, behaviors of such systems of PSE ports are beyond the scope of IEEE 802.3 specifications. The one-of-a-kind Multi-Port Suite enables flexible emulation of many PD’s and fully automated testing of PSE port administration and power management behaviors while powering up to 192 Type-1, Type-2, or Type-3 (Class 4) PD’s.
2-Pair Multi-Port Test Suite
- In-Depth System Testing of IEEE 802.3at and 802.3bt 2-Pair PSE's Using PSA-3000 or PSL-3000 instruments
- Concurrently Analyze Up To 192 PSE Ports
- Robust Emulation of Type-1, Type-2, and Type-3 (Class 4) PD's Including PoE LLDP
- Fully Automated Testing and Reporting
- Assess PSE Power Administration Decisions
- Assess PSE Power Management Behaviors
- Static and Transient Reserve Capacity Analysis
- Per-Port Variation and Uncertainty Analysis
- Assess PSE Power Reliability Over Time
- Colorful and Graphical Pop-Up Spreadsheet Reporting
Live PD Emulation
- Robust Emulation of Type-1, Type-2, and Type-3 (Class 4) PD's Including PoE LLDP
- Support Interactive Power Administration Testing with Up To 192 Connected PD's
- Emulate Type-1, Type-2 2-Event, Type-2 LLDP, and Type-3 2-Event PD's
- Supported on PSA-3000 and PSL-3000 instruments
Click above to see a video introduction to the fully automated PSE Multi-Port Test Suite for 2-Pair PSE’s
(~34 min.)
Open Sample Report
LLDP Emulation and Analysis
The optional LLDP Emulation feature allows a PSA-3000, PSL-3424L, or PSL-3000 test port to behave just like an 802.3at or 802.3bt PD that uses LLDP to convey its power demands. 802.3 PoE LLDP is a special variant of LLDP protocol that involves handshakes and protocol timing between a PSE and a PD.
802.3at and 802.3bt PD Emulation and Protocol Analysis
- Integrated PoE LLDP and Load Emulation in a Single Instrument
- IEEE 802.3at and 802.3bt LLDP Compliance Analysis
- Independent, Per-Port 802.3at and 802.3bt LLDP Emulations
- Flexible Single and Dual Signature PD LLDP Emulations
- One-Click LLDP Protocol Capture and Analysis
- Pop-Up Excel Spreadsheet Reports Assess Protocol Content and Timing
- Enables One-Click Emulated Power-Ups and Standard Waveforms with LLDP Power Granting PSE's
- Enables 2-Pair and 4-Pair PSE Conformance Test Suties with LLDP Capable PSE's
- Enables 2-Pair Multi-Port Suite with LLDP Capable PSE's
- Available for PSA-3000 and PSL-3000 Platforms
Rapid PSE and Chained Data Test of 4-Pair and 2-Pair PSE's
The optional PSL-3424-QT feature license opens up two important productivity tools in the PSL-3424 platform. PSL-3424 Quick Test is a fully automated PSE functional test covering between 2 and 8 PSE ports in a test cycle with average test times on the order of 10 seconds per port tested. The Chained Data Test user interface allows rapid construction and verification of test setups used in “snaked data path” testing of PSE’s with user specified loads and optional LLDP power negotiation on each test port.
PSL-3424 Quick Test for 802.at and 802.3bt PSE's
- Accessible from PSA Interactive or PowerShell PSA
- Scans 2 to 8 PSE ports per test cycle
- Automatically determines and adapts to PSE maximum assigned class
- Tests PSE’s that grant full power via PD Classification or through PoE LLDP
- Validates PoE Detection Acceptance and Rejection Range
- Measures PSE Port Voltage at both minimum (DC MPS) and maximum (Pclass) load conditions
- Reports PSE type (AT vs BT), maximum assigned class capability, and Pclass power capacity
- Assesses Disconnect Power Removal response
- Assesses Overload Power Removal response
- Assesses LLDP Power Protocol and Allocations (PSL-3424L)
Chained Data Test Support for 802.3at and 802.3bt PSE's
- Intuitive graphical user interface
- Configures up to 24 2-Pair or 4-Pair ports for "snaked data path" testing
- Verifies all PSE connections in the defined data path
- Sequences user-defined PD emulations and PSE powering
- Verifies powering to user-defined loading on all selected ports
- Configures looped data paths across the selected ports
- Support of 802.3at / 802.3bt LLDP power negotiations (PSL-3424L)