1. Manuals
  2. Brands
  3. Sifos Technologies Manuals
  4. Measuring Instruments
  5. PowerSync PSA100
  6. Technical reference manual

Sifos Technologies PowerSync PSA100 Technical Reference Manual

Hide thumbs Also See for PowerSync PSA100:
Table of Contents

Advertisement

Quick Links

Download this manual
PowerSync Analyzer Reference Manual
Sifos Technologies
PowerSync
Analyzer
®
PSA100, PSA1200, PSA2400
Technical Reference
Manual
Version 3.4
Revised March 9, 2010
Copyright © 2006 - 2010 Sifos Technologies
March 9, 2010
Sifos Technologies
page i

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PowerSync PSA100 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Sifos Technologies PowerSync PSA100

Summary of Contents for Sifos Technologies PowerSync PSA100

  • Page 1 PowerSync Analyzer Reference Manual Sifos Technologies PowerSync Analyzer ® PSA100, PSA1200, PSA2400 Technical Reference Manual Version 3.4 Revised March 9, 2010 Copyright © 2006 - 2010 Sifos Technologies March 9, 2010 Sifos Technologies page i...
  • Page 2 (978) 640-4990 FAX Disclaimer The information contained in this manual is the property of Sifos Technologies, Inc., and is furnished for use by recipient only for the purpose stated in the Software License Agreement accompanying the user documentation. Except as permitted by such License Agreement, no part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, without the prior written permission of Sifos Technologies, Inc.

  • Page 3: Table Of Contents

    3.1.2. Port Configuration ............................... 28 3.1.3. Slot-Port and Chassis Selection ........................... 29 3.1.4. Configuration Replication............................ 30 3.1.5. Trigger Configuration ............................30 3.1.6. Load Configuration.............................. 31 3.1.7. PD Power-Up Emulation with Load Configuration ..................... 32 March 9, 2010 Sifos Technologies page...
  • Page 4 PowerShell Multi-Port Helper Commands........................83 PSE Conformance Test Suite ......................85 5.1. PSE Conformance Test Suite Overview ........................85 5.2. Global PSE Description Parameters..........................85 5.3. Conformance Test Documentation Conventions ......................86 5.4. PSE Conformance Tests – Detection Processes ......................86 March 9, 2010 Sifos Technologies page...
  • Page 5 Returning Test and Measurement Results to Host Applications ............... 138 8.4.4. Automatically Terminating PowerShell TCL Upon Script Execution ............... 139 8.5. Integrated Power-over-Ethernet and Packet Transmission Testing ................139 PoE Service Analyzer Application ....................141 9.1. PoE Service Access Tests............................141 March 9, 2010 Sifos Technologies page...
  • Page 6 PoE Service Test Reporting ............................142 9.3. PoE Intermittent Service Detection..........................143 9.4. Visual PoE Analysis ..............................144 9.5. PoE Service Test Configurations..........................145 9.6. PSA Interactive and the PoE Service Analyzer......................146 9.7. Accessing the PoE Service Analyzer from PowerShell .....................147 March 9, 2010 Sifos Technologies page...

  • Page 7: Introduction

    Analyzer. Users who wish to fully automate certain test sequences or to optimize test throughput can readily use PowerShell to build test scripts and associated applications. PowerShell is built on the widespread Tcl/Tk script language and will enable test script integration with various Packet Transmission tests previously developed within Tcl/Tk. March 9, 2010 Sifos Technologies page...
  • Page 8 PoE service at the PD interface point. The PoE Service Analyzer combined with any PSA instrument (PSA-100, PSA-1200, PSA-2400) offers the most comprehensive analysis available for assessing integrity and interoperability of PoE service to a PD connection point. March 9, 2010 Sifos Technologies page...

  • Page 9: Poe And The Powersync Analyzer

    (802.3at) versus normal power (802.3af) type PD’s. PSE’s, including Mid-Spans, can furnish power on any pair (ALT A or ALT B) and an option may exist to allow powering of all 4 pairs under 802.3at. March 9, 2010 Sifos Technologies page...

  • Page 10: Pd Detection

    Classification is performed by applying a voltage in the band from 15.5V to 20.5V and measuring the fixed DC current load presented by the PD. The magnitude of measured current is then translated into a classification as follows: March 9, 2010 Sifos Technologies page...

  • Page 11: 802.3 Power-Up

    Given the ceilings specified, an 802.3af compliant PSE might theoretically furnish a maximum of 22.7 watts while a 2-pair, high power, 802.3at compliant PSE might theoretically supply up to 38.9 watts continuous power. Practically speaking, typical port power capacity will be relatively close to the minimum required values. March 9, 2010 Sifos Technologies page...

  • Page 12: Power Removal

    Frequency: 20 to 500 Hz Power-Down (or Never ?) Power-Down Dissipation: PD Load, PSE Shunt, or AC MPS Threshold: 27 KΩ to 1.98 MΩ Active PSE Discharge DC MPS Threshold: 5 – 10 mA March 9, 2010 Sifos Technologies page...

  • Page 13: Connection Alternatives

    PD connections. On the other hand, the added complexity complicates testing by adding ambiguity as to exactly how a PSE is detecting either an 802.3 or other type of PD. March 9, 2010 Sifos Technologies page...

  • Page 14: System Hardware Overview

    When the PSE voltage reaches approximately 11 volts, the passive R-C Detection signature is removed and the MPS signature R-C circuit is inserted thus presenting a valid AC MPS signature following PSE power-up for as long as the Port Switch is closed (or connected). March 9, 2010 Sifos Technologies page...

  • Page 15: Triggers

    PSA chassis. This PSA #4 PSA #4 PSA #4 enables triggering across multiple instruments, which may be desirable when testing equipment with more than 24 ports. Figure 2.9 External Trigger Bus March 9, 2010 Sifos Technologies page...

  • Page 16: Loads And Load Transients

    Sifos does not specify any particular level of performance for the Data OUT port because performance is strongly influenced by physical layer design characteristics of LAN ports (e.g. packet data testers, PSE ports) that are connected to the PSA Test Ports. March 9, 2010 Sifos Technologies page...

  • Page 17: System Software Overview

    When PSA software is installed, certain configuration files will be placed such that opening either the Tcl Shell or the Wish Shell will automatically integrate all of the PowerShell resources. March 9, 2010 Sifos Technologies page...

  • Page 18: Pse Automated Test Suites

    Suite for 802.3af and pre-802.3at standard high power PSE’s. Default_Conf_Test_List_AT: A (Tcl) list of available standard tests within the Version 4.0 PSE Conformance Test Suite for 802.3at compliant PSE’s. Note: These tests are only available for the PSA-3000 platform. March 9, 2010 Sifos Technologies page...
  • Page 19 PSA Interactive and may also be configured in PowerShell using the global psaPseHpGrant. As a setting it is used to gate access to high power tests using Type-2 PD emulation, it is used to make decisions inside automated tests, and it is used by the Conformance Test Standard Report in configuring test limits. March 9, 2010 Sifos Technologies page...

  • Page 20: Directory And File Organization - Microsoft Windows

    <User’s Home Directory>/bin This organization allows various users in a shared computing or NFS type of environment to maintain local user information independent from other users and independent of the actual shared software modules and libraries. March 9, 2010 Sifos Technologies page...

  • Page 21: Tk/Tcl Requirements & Resources

    There are a number of valuable resources to help programmers and test engineers get acquainted with Tcl. First, the help software that comes with Tcl/Tk is very robust and easy to work with. Also, there are several books available March 9, 2010 Sifos Technologies page...

  • Page 22: Network Connection And Host Firewall Considerations

    Connect all PSA2400 chassis’ to the host subnet and power them on Open PowerShell TCL from the host Execute “psa <IpAddress>” to one of the PSA2400 chassis’ Execute “psa <IpAddress> to second PSA2400 chassis when prompted This will complete the initialization of the PSA2400. March 9, 2010 Sifos Technologies page...

  • Page 23: Technical Specifications

    Rising or Falling Start Trigger Range 0 to 60V Stop Trigger Edge Rising or Falling Stop Trigger Range 0 to 60V Time Range 20–52400 µs or 0-6700 ms Time Resolution 1 usec or 1 msec March 9, 2010 Sifos Technologies page...

  • Page 24: Triggering

    Note: 30W is the heat dissipation rating, not the power loading capability of each PSA Test Port. Heat Dissipation Capability of Each PSA Test Port Figure 2.11: Storage Temperature: -20°C to 85°C Operating Humidity: 5% to 95% RH, Non-Condensing. March 9, 2010 Sifos Technologies page...

  • Page 25: Certifications

    Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at their own expense. March 9, 2010 Sifos Technologies page...
  • Page 26 PowerSync Analyzer Reference Manual March 9, 2010 Sifos Technologies page...

  • Page 27: Psa Interactive

    (Figure 3.3), critical settings related to PSE characteristics are automatically updated to the values provided in that file. Additionally, the PSA chassis currently connected will configure ALT and Polarity select switches automatically according to the configurations provided in the selected PSE configuration file. This configuration will March 9, 2010 Sifos Technologies page...

  • Page 28: Port Configuration

    A test script is run that modifies the passive resistance and capacitance settings. (Note: Generally standard test suites such as the PSE Conformance Tests and the PSE Multi-Port Tests will not modify either the ALT or POL settings as those are assumed fixed for a particular PSE type.) March 9, 2010 Sifos Technologies page...

  • Page 29: Slot-Port And Chassis Selection

    Demo Mode as if an actual PSA chassis and PSE ports were connected. Once a chassis is selected and appears in the entry field, simply press Return to retain that new chassis address as the target recipient of configuration commands and queries. March 9, 2010 Sifos Technologies page...

  • Page 30: Configuration Replication

    Noisy mode will add 0.5 volts of noise tolerance meaning leading and falling edges can be properly resolved in the presence of 500mV of random superposed noise on the edge. When connected to PSA-1200 Test Ports, the Noisy checkbox will be inhibited. March 9, 2010 Sifos Technologies page...

  • Page 31: Load Configuration

    Initiate Transient button is pressed. Waveform selection means that the Initiate Transient button will configure the load current transient, but that the load transient will not occur until a March 9, 2010 Sifos Technologies page...

  • Page 32: Pd Power-Up Emulation With Load Configuration

    Figure 3.10 PD Startup Emulation for value. In this case, the user will be alerted that a 6.4Watt, Class 2 PD. PSA Interactive needs to make the voltage measurement meaning that the Port settings for March 9, 2010 Sifos Technologies page...

  • Page 33: Dc Meters

    Voltage and current measurements may be triggered in one of three ways: Immediate, Waveform (or Trigger 1), and Event (or External) trigger. DC Power measurements are only performed from an Immediate trigger. Triggering defines exactly when the Measurement Period will begin and is discussed in detail in Section 3.1.9 below. March 9, 2010 Sifos Technologies page...

  • Page 34: Triggered Measurements

    MEASURE button will essentially arm the measurement to wait for an Event (or External) Trigger (see Section 2.3.2). Again, the MEASURE button will sample the state of the measurement (Trigger Status) until the measurement is complete. March 9, 2010 Sifos Technologies page...

  • Page 35: The O-Scope Display

    The O-Scope display offers various color schemes. Section 3.1.14 below (Waveforms Menu) provides additional information on setting waveform display color schemes. Figure 3.15 Trace Display Exported to Excel March 9, 2010 Sifos Technologies page...

  • Page 36: The Event Control Panel

    ARM Trigger, or on an External (Event) Trigger event if Event is selected. The load transient trigger mode controls thus mimic the functionality described in Section 3.1 6. Figure 3.17 Event Control Helper Menu – Event Generation March 9, 2010 Sifos Technologies page...

  • Page 37: Ac Meter

    The Copy Settings option will duplicate the configuration of the AC Voltage Meter across user-selected ports. Apply Settings will update the meter configuration and Read Settings will return the current slot-port settings for this meter. March 9, 2010 Sifos Technologies page...

  • Page 38: Time Interval Meter

    “TIMEOUT”, or “OVERFLOW”. The Time Interval Meter also offers a means to open the Event Controls panel. Event Controls are very helpful for manipulating the resources necessary to cause a trigger event to occur. Event Controls are discussed in Section 3.1.11 above. March 9, 2010 Sifos Technologies page...

  • Page 39: Waveforms Menu

    Signature) and 11 uF (Capacitive Signature). The Detection waveforms are very useful for visualizing 802.3af parameters such as open circuit Figure 3.21 Open Circuit Detection Voltage Waveform voltage, back-off timing, detection step and idle March 9, 2010 Sifos Technologies page...
  • Page 40 The Error Delay waveform captures PSE port behavior following an overload shutdown. The voltage mode is useful for viewing error delay timing and any signaling that appears during this interval. March 9, 2010 Sifos Technologies page...

  • Page 41: Psa Interactive Help Menus

    Load. The LLDP emulation feature is only available to PSA-3000 and PSL-3000 test platforms. This menu also provides the Serial ID of the PSA chassis. The Serial ID would be utilized when procuring new feature upgrades from Sifos Technologies. The PSA Config menu in Figure 3.27 displays the...

  • Page 42: Pse Conformance Test Suite Menus

    Test Results field presents the results of a test script when execution is completed. A Show Traces checkbox enables any voltage or current waveforms that are captured as part of the selected PSE test to be sequentially displayed March 9, 2010 Sifos Technologies page...

  • Page 43: Pse Conformance Test Sequencer Menu And Pse Conformance Reporting

    A Show Traces control will allow any waveform traces that are collected by various PSE Conformance Tests to automatically appear as tests are sequenced. These will be volatile in that each new captured trace will replace the previous trace displayed. March 9, 2010 Sifos Technologies page...
  • Page 44 Partial test reports will be produced and also should be available within the appropriate …\Results\ subdirectory after testing is suspended. Figure 3.32 PSE Conformance Test Pop-Up Spreadsheet Report March 9, 2010 Sifos Technologies page...

  • Page 45: Pse Multi-Port Test Suite Menus

    Clear button may be used to clear out any previous configurations prior to creating a new resource configuration. PSA resources must be configured starting with PSA 1 and working upwards until all required test ports are assigned. March 9, 2010 Sifos Technologies page...

  • Page 46: Multi-Port Pse Test Menu

    PD Emulation characteristics that will be applied to all test ports as Multi-Port tests are run. PD’s may be selected as Class 0, Figure 3.38 Multi-Port Selected Test Menu March 9, 2010 Sifos Technologies page...
  • Page 47 Test Results field. Users should be aware that some Multi-Port tests will take considerable time to complete, especially with large numbers of test ports involved. Tests must be allowed to run to completion before actuating other operations within PSA Interactive. March 9, 2010 Sifos Technologies page...

  • Page 48: Multi-Port Test Sequencer Menu And Multi-Port Reporting

    Multi-Port testing are compared against “ideal” test limits embedded within that same report. Those parameters that deviate from ideal limit ranges are highlighted throughout the report. Users may choose to modify limit ranges using the limit table built into the same report file. March 9, 2010 Sifos Technologies page...
  • Page 49 The top of the Multi-Port Test report includes header information concerning general test conditions (e.g. PD Classification) and graphically depicts the test resources utilized in generating the Multi-Port Test results. The report scales automatically to reflect the resources utilized. Figure 3.42 Multi-Port Standard Pop-Up Spreadsheet Report March 9, 2010 Sifos Technologies page...

  • Page 50: Psa Interactive Task Examples

    Select Slot 3 and Port 2 Select ALT A Select MDI-X Apply Settings DONE Note: The Waveform script will automatically take care of setting detection passives appropriately. Obtain the waveform Waveforms Select Class 1 Select Voltage Power-Up Sequence (Standard) March 9, 2010 Sifos Technologies page...

  • Page 51: Repeat 3.2.1 Without Using The Waveform Viewer

    This sequence will determine the peak amplitude of an 802.3af detection pulse during detection. It will be measured using a (slightly) out-of-band detection resistance = 34 KΩ. This pulse will not be a single-shot event because detection will fail and the pulses should repeat at detection back-off intervals. March 9, 2010 Sifos Technologies page...
  • Page 52 Select Power Range 15.4W Select DC MPS (or AC MPS if using AC MPS type PSE) Select PSE Test = det_v TEST High_Sig_MaxV is the peak detection step voltage given the high signature resistance. March 9, 2010 Sifos Technologies page...

  • Page 53: Measuring Power-Up Slew Rate On Alt A, Mdi-X Pse Port 5,1 Using Class 0 Pse

    Launch the measurement – connect port to get the trigger event of 22 V rising to occur MEASURE Connect (Port) Note: Power-Up transient will fire at 22V rising rather than default 35V based on Trig1 Setup. March 9, 2010 Sifos Technologies page...

  • Page 54: Measuring Inrush Current During Class 3 Power-Up With Alt A, Mdi Pse On Port 1,1

    Set Measurement Period = 20 mSec Apply Settings Ensure power-down and arm classification Event Controls Power Down Launch the measurement and the current transient MEASURE (Note: This ARM’s the trigger) Start Transient Connect Port MEASURE March 9, 2010 Sifos Technologies page...

  • Page 55: Enabling Psa Interactive For The Psa2400

    PSA Interactive. PSA2400 customers may elect to upgrade their PSA2400 to support PSA Interactive through the procurement of a unique key-code from Sifos Technologies. Contact Sifos Technologies for further information on enabling PSA Interactive for the PSA2400.
  • Page 56 PowerSync Analyzer Reference Manual March 9, 2010 Sifos Technologies page...

  • Page 57: Powershell Scripting Environment

    The PowerShell TCL prompt will time out if given no response in just under 10 seconds, at which time it will attempt to re-connect to the last successfully connected PSA address. Figure 4.1 PowerShell TCL Connection Dialog March 9, 2010 Sifos Technologies page...

  • Page 58: Powershell Syntax Conventions

    PowerShell Help Capabilities PowerShell provides interactive help capability at the PowerShell command line. First, an alphabetical listing and short description of all PowerShell API commands is available by entering the following command: PSA-1,1> psa_command March 9, 2010 Sifos Technologies page...

  • Page 59: Powershell Connection And Configuration Commands

    The IP address of a PSA chassis. psa_show_trace Enables or disables automated display of any acquired waveform traces during PSE Conformance Testing. ON: Enable display of waveform traces OFF: Disable display of waveform traces March 9, 2010 Sifos Technologies page...

  • Page 60: Test Port Configuration Commands

    Configures current load to emulate classification current for the specified class. = Class 0 (2.5 mA) = Class 1 (10.5 mA) = Class 2 (18.5 mA) = Class 3 (28 mA) = Class 4 (40 mA) March 9, 2010 Sifos Technologies page...
  • Page 61 LED indicates if port switch is closed and valid detection resistance and capacitance are present. PWR indicates that the PSE port is powered up. ARM indicates that the triggering is an ARMed state. AUX is command activity. March 9, 2010 Sifos Technologies page...

  • Page 62: Test Port Measurement Commands

    10 seconds following trigger arm. specifies that a hardware triggered timeou measurement should time out if no trigger is found within 100 seconds following trigger arm. March 9, 2010 Sifos Technologies page...
  • Page 63 10 seconds following trigger arm. specifies that a hardware triggered timeou measurement should time out if no trigger is found within 100 seconds following trigger arm. March 9, 2010 Sifos Technologies page...
  • Page 64 10 seconds following trigger arm. specifies that a hardware triggered timeout 100 measurement should time out if no trigger is found within 100 seconds following trigger arm. March 9, 2010 Sifos Technologies page...
  • Page 65 “Nm” where interval N is 10, 20, 50, 100, 200, 500 mSec or “Ns” where N is 1, 2, or 5 seconds. Default value is 100 mSec. March 9, 2010 Sifos Technologies page...

  • Page 66: Powershell Test Support Utilities

    | DOWN | POWERED: Indicates PSE port is powered up. UNDETECTED DOWN: PD Disconnected, Port Not Powered. POWERED_W/O_LOAD: Indicates PSE port powered with no PD connected. UNDETECTED: PD Connected but PSE port not powered. March 9, 2010 Sifos Technologies page...
  • Page 67 PSA chassis. or a list of : List of all PSA ports to be verified in slot,port format disconnected test portList (no braces required). Default is all ports in connected ports. PSA. March 9, 2010 Sifos Technologies page...
  • Page 68 Voltage to detect edges with. Default is 5V. threshold: Range 0.5 to 59 V. Specify non-default measurement iterval. period: : Time (in seconds) over which to count edges. interval Default is 5 seconds. Range is 1 to 30 seconds. March 9, 2010 Sifos Technologies page...

  • Page 69: Powershell Trace Display And Analysis Commands

    : Waveform is a voltage trace. Waveform is a current trace. : The TCL list of 256 time-value data returned PSA_Trace_Data from a measurement. vdctrace stat idctrace stat Note! This command will only run in PowerShell Wish. March 9, 2010 Sifos Technologies page...
  • Page 70 : The number of evenly separated trace samples to #samples return. : The TCL list of 256 time-value data returned PSA_Trace_Data from a vdctrace stat or idctrace stat measurement. March 9, 2010 Sifos Technologies page...

  • Page 71: Powershell Pse Conformance Test Support Commands

    Inventory is performed upon currently selected PSA chassis (see “psa” command). Default output is TCL List of inventory. Causes inventory to be displayed in tabular form. Returns a list of populated slots March 9, 2010 Sifos Technologies page...
  • Page 72 The blade type associated with that port must be valid for the firmware or installation will “fail”. optional keyword to update all ports in the current chassis that allports match the provided. portType indicates the type of port to re-program. Current portType portType values are {dual_af_pse}. March 9, 2010 Sifos Technologies page...

  • Page 73: Powershell Scripting Examples

    # Configure the measurement, then initiate the power-up sequence by connecting the port. Use port connection to trigger the voltage trace. vdctrace 3,2 trig ext period 2s timeout 10 stat port 3,2 connect trigout set status [psa_wait vdctrace] set trace_result [lindex $status 4] March 9, 2010 Sifos Technologies page...

  • Page 74: Measure Peak Detection Voltage On Port 1,2

    500m timeout 10 port connect set status [psa_wait vdcpeak] set peak_result [lindex $status 3] If these commands are sequentially executed in a Wish Shell, it will appear as follows: March 9, 2010 Sifos Technologies page...

  • Page 75: Power-Up Slew Rate Command Sequence

    Power up will then trigger the measurement. port 5,1 connect set status [psa_wait timint] set riseTime [lindex $status 4] set slewRate [expr 1.0 * (42 - 22) / $riseTime] The script is executed in the PowerShell window below. March 9, 2010 Sifos Technologies page...

  • Page 76: Measure Class 3 Power-Up Current Inrush

    3,1 trig on max period 20m timeout 10 stat # Initiate the measurement by connecting the port. Then calculate slew Rate. Power up will then trigger the measurement. port 3,1 connect set status [psa_wait idcpeak] set Iinrush [lindex $status 3] return $Iinrush March 9, 2010 Sifos Technologies page...

  • Page 77: Powershell Pse Conformance Test Commands

    Classification current load. RANGE: 0 to 45 mA UNITS: mA DEFAULT: 2 mA. current <i class_time <port> current> Runs class_time test. Optional input Arguments: Specify non-default class current Classification current load. RANGE: 0 to 45 mA UNITS: mA DEFAULT: 2 mA. current March 9, 2010 Sifos Technologies page...
  • Page 78 Return only Imin1 (maximum invalid load) value. imin <port> <c class> pwrdn_overld Runs pwrdn_overld test. Optional input Arguments: PoE PD classificiation during power-up. Range 0 to 4. Default is class 0. class pwrdn_time <port> Runs pwrdn_time test. March 9, 2010 Sifos Technologies page...
  • Page 79 To cover all ports with all available tests, PSA-3,1> sequence c:/Temp/myfile will sequence all available tests to all populated ports and place the results in an ASCII file (myfile.txt) in the c:\Temp directory. March 9, 2010 Sifos Technologies page...

  • Page 80: 4.14. Powershell Pse Multi-Port Test Commands

    Specify low but valid PD detection signature of 19KΩ Specify high, high but valid PD detection signature of 26KΩ high Specify a legacy detection signature of 39KΩ + 58μF legacy Note: mp_pwrup_time is only available with the PSA-1200 and PSA-2400 platforms. March 9, 2010 Sifos Technologies page...
  • Page 81 Default value is PD Class dependent. Class 0 & 3: 399 mA Class 1: 100 mA Class 2: 175 mA. Resolution: 0.5 mA. Note: mp_overld_time mp_overld_cycle are only available with the PSA-1200 and PSA- 2400 platforms. March 9, 2010 Sifos Technologies page...
  • Page 82 192.168.221.105 allports 192.168.221.106 slots 1-6 –c 2 –s To run a subset of tests with high detection signature, PD class 3 emulation, and spreadsheet reporting: multiport 192.168.221.107 allports –t {mp_pwrup_ports mp_cap_pwr} –c 3 –det high –s March 9, 2010 Sifos Technologies page...

  • Page 83: 4.15. Powershell Multi-Port Helper Commands

    Command places PowerShell into a special mode where faults will be deliberately inserted into each Multi-Port test. Generally, this setting should be turned off. Generate deliberate PSE faults to Multi-Port tests. Disable deliberate fault generation to Multi-Port Tests. March 9, 2010 Sifos Technologies page...
  • Page 84 PowerSync Analyzer Reference Manual March 9, 2010 Sifos Technologies page...

  • Page 85: Pse Conformance Test Suite

    EMI terminations found on many LAN ports that were not designed for PoE compatibility. Generally, Sifos Technologies does not recommend performing PSE Conformance Tests simultaneously with LAN data traffic because PSE Conformance Testing requires many PoE power cycles that will most likely disrupt that LAN data traffic severely.

  • Page 86: Conformance Test Documentation Conventions

    802.3+legacy detection schemes. 2 Traces, Valid Signature and High Signature, are captured and viewable during this test. Trace Analysis 44 seconds per port Approximate Test Time Sifos Technologies PSE Detection Signaling Measurements.pdf Application Note March 9, 2010 Sifos Technologies page...
  • Page 87 2 Traces, Resistive Signature and Capacitive Signature, are typically captured and viewable during Trace Analysis this test. 41 seconds per port Approximate Test Time Sifos Technologies PSE Detection Signaling Measurements.pdf Application Note Detection Passive Acceptance Range det_range Parameter Definition Acceptance Range Maximum valid detection signature resistance 26 to 33 KΩ...
  • Page 88 Depending on PSE technology, 1 or 2 traces will be analyzed, the first for detection backoff Trace Analysis behaviors and the second for detection step timing analysis. 28 seconds per port Approximate Test Time Sifos Technologies PSE Detection Signaling Measurements.pdf Application Note PSE Output Resistance during Detection det_rsource Parameter Definition Acceptance Range Output resistance during detection phase.

  • Page 89: Pse Conformance Tests - Classification Processes

    The test automatically decides if PSE is using no classification, Single Event, or 2-Event classification, and measures timing through detailed analysis of a classification pulse sequence. One trace capture used for analysis of all parameters. Trace Analysis 19 seconds per port Approximate Test Time Application Note March 9, 2010 Sifos Technologies page...

  • Page 90: Pse Conformance Tests - Pd Power-Up Processes

    Analyze Ilinrush_Init, Iinrush(Min), and any foldback behaviors Analyze Inrush(Max) and Tinrush (Tlim) Analyze Vport and response to 41 msec current limiting overload 30 seconds per port Approximate Test Time Sifos Technologies PSE Load Compliance Tests.pdf Application Note March 9, 2010 Sifos Technologies page...
  • Page 91 The acceptance criteria are Pass/Info since no 802.3af conformance aspects are strictly tested. User may request to have the test remove power upon completion of the test. None Trace Analysis 6 seconds per port Approximate Test Time Application Note March 9, 2010 Sifos Technologies page...
  • Page 92 17 seconds per port Approximate Test Time Sifos Technologies PSE Load Compliance Tests.pdf Application Note pwrup_maxi Verifies maximum (e.g. short circuit) current output of the PSE port when powered Maximum short circuit current sampled over 75...

  • Page 93: Pse Conformance Tests - Ac Mps Processes

    30 seconds per port Approximate Test Time Sifos Technologies PSE Load Compliance Tests.pdf Application Note 5.7. PSE Conformance Tests – AC MPS Processes AC MPS tests will be available when the global characterization of the PSE port is of MPS Type AC. Certain behaviors of these tests will be dictated by the AC MPS Threshold global parameter.
  • Page 94 One trace utilized for V_open and Fp determination. Trace Analysis 19 seconds per port Approximate Test Time Sifos Technologies PSE MPS Process Analysis.pdf Application Note mps_ac_voff Measures peak voltage amplitude immediately following removal of power by the PSE Peak voltage measured following a power-down...

  • Page 95: Pse Conformance Tests - Dc Mps Processes

    None Trace Analysis 36 seconds per port Approximate Test Time Sifos Technologies PSE MPS Process Analysis.pdf Application Note mps_dc_pwrdn Measures maximum “invalid” load current level Imin1 and timing until port power shut-down given a known invalid DC load “signature”. Low Current time interval to remove power...

  • Page 96: Pse Conformance Tests - Power-Down Characteristics

    One load current trace is used to accurately assess the time-integrated value of the current pulse Trace Analysis used for the dV/dt measurement used to determine Cout. 21 seconds per port Approximate Test Time Sifos Technologies PSE Shutdown Characteristics.pdf Application Note March 9, 2010 Sifos Technologies page...

  • Page 97: The Pse Conformance Standard Spreadsheet Report

    Ved. 30 seconds per port Approximate Test Time Sifos Technologies PSE Shutdown Characteristics.pdf Application Note 5.10. The PSE Conformance Standard Spreadsheet Report The PSE Conformance Test Suite is conveniently sequenced using the Sequence Tests menu in PSA Interactive or the command in PowerShell.

  • Page 98: Enabling The Pse Conformance Test Suite

    PowerSync Analyzer customers may elect to upgrade their analyzer to support the PSE Conformance Test Suite. This is done simply by procuring a unique key code from Sifos Technologies. Contact Sifos Technologies for further information on performing this upgrade to your PowerSync Analyzer.

  • Page 99: Pse Multi-Port Test Suite

    PowerSync Analyzer or Programmable Load must be pre-configured to the proper powered pairs and polarity by the user prior to executing the PSE Multi-Port Test Suite. This is readily done by opening the appropriate March 9, 2010 Sifos Technologies page...

  • Page 100: Global Pd Description Parameters

    Count of all PSE ports tested (based upon resource configuration) PD Classification PD that was emulated: Class 0, 1, 2 , or 3 PD Class Current PD Classification Load Current that was associated with emulated PD March 9, 2010 Sifos Technologies page...

  • Page 101: Pse Multi-Port Tests - Pse Power-Up

    • Assess and report interdependencies or unintended port couplings as Test Application each PSE port is powered up to the specified PD class. • Validate that one PD connection produces only one powered port. March 9, 2010 Sifos Technologies page...

  • Page 102: Pse Multi-Port Tests - Pse Capacity Tests

    (overload cutoff current) spread across all PSE ports is such that peak power occurs with fewer ports than initially powered up. • Verify average maximum power per port given PD classifications and any initial power-up restriction. March 9, 2010 Sifos Technologies page...

  • Page 103: Pse Multi-Port Tests - Pse Stress Tests

    • Support assessment of widely varying to near-maximum PoE loads on other PSE characteristics including packet transmission. • Validate PSE management reporting of port load parameters. March 9, 2010 Sifos Technologies page...

  • Page 104: Pse Multi-Port Tests - Pse Port Isolation Tests

    PD disconnects. is analogous to mp_discx_idp in assessing PSE port independence with PD disconnect shut-downs. Finally, mp_pwrup_idp mp_discx_cycle measures power-cycle timing associated with bulk PD disconnect shut-downs followed by bulk PD re-connects. March 9, 2010 Sifos Technologies page...
  • Page 105 Assess PSE system (firmware) response to powering up PD’s following Test Application a bulk PD disconnect. • Flush out any built-in delays or port inhibitions associated with disconnect shutdowns. • Verify expected port enabling as well as any PSE system logging function integrity. March 9, 2010 Sifos Technologies page...

  • Page 106: 6.10. Pse Multi-Port Tests - Pse Port Overload Shut-Down Tests

    PSE port shutdown behaviors. • Evaluate compliance to IEEE 802.3af T and T parameters. ovld • Assess PSE port power reserves (power management function) to tolerate 50 msec overloads on multiple PSE ports. March 9, 2010 Sifos Technologies page...

  • Page 107: 6.11. The Pse Multi-Port Standard Spreadsheet Report

    The file mp_report.xls is always installed as a read only file found in each instance of a local …/Results/ subdirectory and any specific reports generated following a test sequence should ALWAYS be saved to another name. March 9, 2010 Sifos Technologies page...
  • Page 108 Copy …\PSA1200\Results\mp_report.xls to a newly named template such as …\PSA1200\Results\ (saved into that same directory path). my_mp_report.xls Remove Read-Only permissions from …\PSA1200\Results\ my_mp_report.xls Edit …\PSA1200\Results\ as required and save it. my_mp_report.xls Restore Read-Only permissions to …\PSA1200\Results\ my_psa_report.xls March 9, 2010 Sifos Technologies page...

  • Page 109: 6.12. Enabling The Pse Multi-Port Test Suite In The Powersync Analyzer

    PowerSync Analyzer and PowerSync PL customers may elect to upgrade their analyzer to support the PSE Multi-Port Test Suite. This is done simply by procuring a unique key code from Sifos Technologies. Contact Sifos Technologies for further information on performing this upgrade to your PowerSync Analyzer.
  • Page 110 PowerSync Analyzer Reference Manual March 9, 2010 Sifos Technologies page...

  • Page 111: High Power Pse Testing With The Psa-1200

    A High Powered PSE refers to a PSE that furnishes up to at least 30 watts of power delivered on 2 pairs to a PD connection. Sifos Technologies has incorporated into PSA Software Release 3.4 capabilities to combine two physical test ports from a PSA-1200 test blade to serve as a single high power test port for the following purposes: •...

  • Page 112: Pse Conformance Testing - High Power Pse's

    802.3af and High Power PSE testing that is sequenced from PSA Interactive or PowerShell. Figure 7.4 shows a sampling of test results from a 4-port PSE running a full suite of PSE Conformance Tests including the six new high power tests utilizing PSA Port Combiners. March 9, 2010 Sifos Technologies page...
  • Page 113 PowerSync Analyzer Reference Manual Figure 7.4: High Power PSE Conformance Test Report March 9, 2010 Sifos Technologies page...

  • Page 114: Psa Interactive Conformance Test Menus

    (e.g. pwrup_inrush_2). However, the argument is always required if the spreadsheet report is to apply modified test limits appropriate to High Power PSE’s. March 9, 2010 Sifos Technologies page...

  • Page 115: Psa Interactive And High Power Testing

    PSA test port per blade, a feature that will be duplicated in all menus that allow Slot-Port selection. One other feature of High Power PSE mode in PSA Figure 7.7. PSA Port Configuration Menu Interactive is that the Copy Settings sub-menu (Figure March 9, 2010 Sifos Technologies page...
  • Page 116 PSE port state and facilitating trigger events under PSA Interactive. The only feature removed is the Immediate Transient Trigger mode, Figure 7.11. PSA-1200 DC Meter & Event Control however, as stated above, the Event Trigger can serve an March 9, 2010 Sifos Technologies page...

  • Page 117: Powershell Extensions For High Power Pse Testing

    “hold” causing the current load to sustain duration2 indefinitely at the value. current2 = start current transient on next trig1 event trig1 = start current transient on next ext trigger event = generate hardware trigger on command execution trigout March 9, 2010 Sifos Technologies page...
  • Page 118 “Ns” where N is 1, 2, 5, or 10 seconds. Default value is 100 mSec. <slot,1> psa_disconnect_2 Forces a PSE Port power-down to occur. Opens the port switch, sets DC current load to 0 mA. March 9, 2010 Sifos Technologies page...
  • Page 119 : A list of all slots to which the configuration is to be copied. Each slot is in the target_slots form as “slot#,1” and is space delimited in the list. March 9, 2010 Sifos Technologies page...
  • Page 120 PowerSync Analyzer Reference Manual March 9, 2010 Sifos Technologies page...

  • Page 121: Specialized Scripting With The Psa1200

    (config only) idctrace_2 (config only) port itrans idctrace (config only) psa_connect vdcaverage (config only) acvolts (config only) passive iload vdcpeak (config only) timint (config only) class vdctrace (config only) idcaverage_2 (config only) March 9, 2010 Sifos Technologies page...

  • Page 122: Customizing Test Methods To Specific Pse Behaviors

    Detection Pulse does return to zero and that a time interval measurement initiating at 2 volts on the trailing edge of this pulse and terminating at 40 volts on the power-up edge should provide an adequate value. March 9, 2010 Sifos Technologies page...
  • Page 123 Two other examples where known characteristics of a PSE can be utilized to save test time are detection signature band and port power capacity. The following excerpt from a PSE Conformance Test provides useful information in the design of this test script for a particular PSE. March 9, 2010 Sifos Technologies page...
  • Page 124 PSE here delivers 15.4 Watts at each port. Since this is the 802.3af minimum specified performance (15.4 W = 44 V * 350 mA), a test is designed to verify this threshold. March 9, 2010 Sifos Technologies page...

  • Page 125: Time-Interlacing Of Tests Across Ports

    Rgood(Max). If Vport shows the port not to be powered (i.e. < 44 V), then Rgood(Max) will be inferred to be below the target value (28 KΩ) used in the test script. March 9, 2010 Sifos Technologies page...
  • Page 126 [vdcaverage $port stat] 3] # Disconnect port so it powers down for next test if { $VportMaxR >= 44 } { set Vport($port) $VportMaxR set RgoodMax($port) ">=27_K" parray Vvalid parray Vport parray RgoodMax return March 9, 2010 Sifos Technologies page...
  • Page 127 99,99 trig on period 200m timeout 10 # Set up triggering for Vport measurement trig1 99,99 rising level 45 # Initiate voltage measurements on all ports foreach port $portList { vdcaverage $port stat port $port connect # Continued March 9, 2010 Sifos Technologies page...
  • Page 128 PportCap(2,2) = 15.5 PportCap(3,1) = 15.5 PportCap(3,2) = 15.5 When the test is run on a single port, the test time is 5.6 seconds, so the time savings by interlacing across 6 ports is: March 9, 2010 Sifos Technologies page...

  • Page 129: Multi-Chassis Testing In Parallel

    N ports of the PSE can be effectively halved if two PSA chassis’ are available. Executing Scripts Concurrently From 2 PowerShell’s Figure 8.7 March 9, 2010 Sifos Technologies page...

  • Page 130: Intra-Port Interaction Testing

    100 # Recover the peak voltage measurements foreach port $testPorts { set MinV($port) [lindex [vdcpeak $port stat] 3] # Present the results parray MinV This example script would produce and output as follows: March 9, 2010 Sifos Technologies page...
  • Page 131 { $level == "min" } { set minV($chassis.$port) [lindex [vdcpeak $port stat] 3] } else { set maxV($chassis.$port) [lindex [vdcpeak $port stat] 3] if { $level == "max" } { set deltaV($chassis.$port) [expr $maxV($chassis.$port) - \ $minV($chassis.$port)] # Continued… March 9, 2010 Sifos Technologies page...
  • Page 132 # affect load current itrans 1,1 i1 60 t1 10m i2 60 t2 10m trig1 trigout # Arm the trigger – next edge at 35V rising will produce an external trigger trig1 1,1 arm March 9, 2010 Sifos Technologies page...

  • Page 133: Merging The Powershell Api Into Tcl And Wish Shells

    To merge the PowerShell API into a Tcl shell, execute the following command from Tcl: source “c:/Program Files/Sifos/PSA1200/tclshrc_psapi.tcl” (Windows PC) source “$env(HOME)/Sifos/PSA1200/tclshrc_psapi.tcl” (Linux/Unix WS) To merge the PowerShell API into a Wish shell, execute the following command from Wish: source “c:/Program Files/Sifos/PSA1200/wishrc_psapi.tcl” (Windows PC) source “$env(HOME)/Sifos/PSA1200/wishrc_psapi.tcl” (Linux/Unix WS) March 9, 2010 Sifos Technologies page...

  • Page 134: Initial Connection Dialog Control - Powershell Tcl

    PSE connected to ports 7,1 – 8,2 of PSA 192.168.221.106. Prior to launching this command, the tclshrc.tcl resource file discussed in Section 8.3 above will be modified to bypass the user connection dialog. March 9, 2010 Sifos Technologies page...
  • Page 135 Shell Command above to direct output to a specified file such as c:\myResults.txt. "PowerShell Tcl.exe" c:\myTest.tcl > c:\myResults.txt Figure 8.9 Routing Test Output to a Text File This produces the following text file in c:\myResults.txt: March 9, 2010 Sifos Technologies page...
  • Page 136 ************************************************************ ********** PowerShell Command Processor 3.2********** ********** for the PowerSync Analyzer ********** ********** ********** ********** Copyright 2008 Sifos Technologies, Inc.********** ********** ********** ********** use '?' or 'psa_command' for help ********** ********** use 'psa_test' for standard test help ********** ************************************************************ ************Connecting to PSA at 192.168.221.106 ************ PSE Local Configuration ************************************ c:/Program Files/Sifos/PSA1200/Config/psa_local.txt...

  • Page 137: Invoking A Powershell Tcl With Remote Command Processing

    Figure 8.12 tclshrc.tcl Modified to Enable Remote Command Processing The above methods may also be applied with Wish shells using Note! the Wish shell resource file in place of tclshrc.tcl. wishrc.tcl March 9, 2010 Sifos Technologies page...

  • Page 138: Returning Test And Measurement Results To Host Applications

    Those files can be ascii text files or .csv (.xls) files that are created as those sequencers run. Sections 4.13 and 4.14 provide further information concerning the use of the commands including file handling arguments. sequence multiport March 9, 2010 Sifos Technologies page...

  • Page 139: Automatically Terminating Powershell Tcl Upon Script Execution

    TCL API to PowerShell. set smartPath "c:/Program Files/SmartBits/SmartLib" set smartTcl "Tcl/TclFiles" set smartComm "Commlib" # Determine that Smart Lib is installed in the typical place if { [file exists "$smartPath/$smartTcl/smartlib.tcl"] == 0 } { March 9, 2010 Sifos Technologies page...
  • Page 140 SmartLib into PowerShell. When the script “psa_smartlib.tcl” is placed into the …\Contrib directory, simply combine environments as follows: PSA-1,1>psa_smartlib ************ SmartLib TCL Enabled ! ****************** SmartBits Programming Library 5.00-85 PSA-1,1> March 9, 2010 Sifos Technologies page...

  • Page 141: Poe Service Analyzer Application

    NONE / Non802_DET: to note capability of PSE to power many “legacy” PD’s Non802-Detect Rejection of Invalid Low-End PD Signature MIN_REJECT: PASS / FAIL to assure that non-PoE devices do not get powered (15 Kohm) March 9, 2010 Sifos Technologies page...

  • Page 142: Poe Service Test Reporting

    It also presents a graphical depiction both required and available power to each PD Class, PoE line voltage and line noise across PD power levels, and transient (burst) power performance of the PoE service. March 9, 2010 Sifos Technologies page...

  • Page 143: Poe Intermittent Service Detection

    PoE service at any test site or outlet may can be beneficial both for assessing intermittent connections and for capturing PSE behaviors Figure 9.4 PoE Service Line Monitor Figure 9.5 PoE Line Monitor Report March 9, 2010 Sifos Technologies page...

  • Page 144: Visual Poe Analysis

    PD Classification selected. Following waveform capture, waveforms may be printed or imported to Microsoft Excel for further analysis as shown in Figure 9.7. Voltage Cycle Waveform - Excel Figure 9.7 March 9, 2010 Sifos Technologies page...

  • Page 145: Poe Service Test Configurations

    Local Test Configuration: In this configuration, the PowerSync Analyzer is controlled directly from a laptop or PC in the same locality as the PoE service being tested. This configuration is convenient for moving the instrument around and testing a number of remote service points in succession. March 9, 2010 Sifos Technologies page...

  • Page 146: Psa Interactive And The Poe Service Analyzer

    Test results may be optionally saved to a textual report file by selecting the Save Results button. This will open a brief dialog to state the time-date stamped name and location of the saved report file. Service Test Status Figure 9.12 March 9, 2010 Sifos Technologies page...

  • Page 147: Accessing The Poe Service Analyzer From Powershell

    Specifies to run the Service Monitor over a 30 minute period. This is the default. long Specifies to run the Service Monitor over a 12 hour period. -f Control to request a time-date named text file report be generated upon completion of the testing. March 9, 2010 Sifos Technologies page...

This manual is also suitable for:

Powersync psa1200Powersync psa2400

Table of Contents