PowerSync Service Analyzer Reference Manual
February 8, 2010
Sifos Technologies page
1
Sifos Technologies
PowerSync
®
Service Analyzer
PSA100-SA
Technical Reference
Manual
Version 3.4
Revised
February, 2010
Copyright © 2010 Sifos Technologies
Страница 1: ... Analyzer Reference Manual February 8 2010 Sifos Technologies page 1 Sifos Technologies PowerSync Service Analyzer PSA100 SA Technical Reference Manual Version 3 4 Revised February 2010 Copyright 2010 Sifos Technologies ...
Страница 2: ...rthquake or alteration unless such alteration performed by Sifos or its agents Sifos will ship repaired Products to recipient freight prepaid within ten 10 working days after receipt of defective Product Except as otherwise stated any claim on account of defective materials or for any other cause whatsoever will conclusively be deemed waived by recipient unless written notice thereof is given to S...
Страница 3: ... 2 3 7 LAN Test Data OUT Ports 14 2 4 System Software Overview 15 2 4 1 PSA Interactive 15 2 4 2 PowerShell Scripting Environment 15 2 4 3 PSE Automated Test Suites 16 2 4 4 PowerSync Analyzer Configuration Files 16 2 4 5 Directory and File Organization Microsoft Windows 18 2 4 6 Directory and File Organization Linux and Unix 18 2 4 7 TK TCL Requirements Resources 19 2 5 Section Omitted 20 2 6 Sec...
Страница 4: ...vice Analyzer Reference Manual February 8 2010 Sifos Technologies page 4 4 PoE Service Test Configurations 28 5 PSA Interactive for the PoE Service Analyzer 29 6 Accessing the PoE Service Analyzer from PowerShell 30 ...
Страница 5: ...hook up options for the PSA 100 SA Service Analyzer Section 5 will cover the PSA Interactive user interface for the PSA 100 SA Section 6 will introduce PowerShell and automated scripting capabilities available with the PSA 100 SA The PowerSync Analyzer family from Sifos Technologies also includes the following products PSA 1200 Chassis based analyzer with capacity to test up to 24 PSE ports The PS...
Страница 6: ...PowerSync Service Analyzer Reference Manual February 8 2010 Sifos Technologies page 6 ...
Страница 7: ...g Optional LLDP MAC Layer based protocol for negotiating power demands with a PD with granularity of 0 1 watts PoE End Point and Mid Span PSE s with full gigabit Ethernet support 2 1 1 The Power Connection Under the 802 3af specification DC power must be carried on 2 of the 4 pairs of a LAN e g category 5 cable Either 48V or 48V DC is carried on one pair common mode and reference zero volts is car...
Страница 8: ...oad Resistance 15 19 KΩ Maximum Acceptable Load Capacitance 0 15 10 μF Slew Rate of Voltage Step 0 1 V μsec Detection Duration 500 mSec Detection Backoff following unsuccessful detection does not apply to End Point PSE s 2 Sec It should be noted that despite the various requirements described for PD Detection signaling in the 802 3 specification that there is considerable room for design variation...
Страница 9: ...timing criteria of interest Time from end of detection until power up is complete and the rise time of the PoE voltage The first parameter includes classification time and must be under 400 mSec The power on rise time is required to be longer than 15 μsec Other parameters of interest during the power on event are the initial in rush current and the peak to peak ripple and noise amplitude PSE s are...
Страница 10: ...on makes allowance for the DC MPS signature to be intermittent so long as it is present for a continous 60 msec out of every 360 msec interval The main advantage of DC MPS is that it does not add any noise onto the power rail 2 2 Power Sourcing Equipment Characteristics The 802 3af specification leaves considerable room for implementation dependent behaviors Additionally many vendors of Power Sour...
Страница 11: ... phones utilized proprietary technology to generate and manage power over LAN Typical legacy powered devices include a low frequency coupling circuit between data transmission pairs and or the existence of a large capacitance seen by common mode measurements across either data or spare pairs These features could be sensed by the power sourcing equipment using proprietary techniques Protocols for d...
Страница 12: ...ntrol and within all PowerSync Analyzers excluding the PSA PL may be used as a triggering event for many single shot measurements of detection and MPS behaviors The Detection Passives are affected by an internal disconnect feature that is dependent only upon the PSE voltage level When the PSE voltage reaches approximately 11 volts the passive R C Detection signature is removed and the MPS signatur...
Страница 13: ...e measurements or actions and is initiated by either a user command an action that is programmed to send out an external trigger or through an external event that appears on the trigger bus The trigger bus is a trigger signal connection that is shared by all ports within a system and by the Trig Out BNC connector on each PowerSync Analyzer Figure 2 8 shows the sources used to generate External or ...
Страница 14: ...nt command The AC Meter is capable of measuring ripple in either a 16 Hz 5K Hz band or in a 5K 300K Hz band 3dB BW This measurement is a peak to peak voltage measurement based upon a sample rate of approximately 20K samples per second Since this is a peak to peak measurement of ripple on a steady state voltage there are no triggers associated with this measurement Integration period can be program...
Страница 15: ... constructed on top of the PowerShell API It offers robust control of most PowerSync Analyzer functions It is intended for users who intermittently or regularly use the PowerSync Analyzer for PD emulation and PSE measurements as well as for PSE Conformance PSA 1200 and PSE Multi Port PSA 1200 and PSA PL testing 2 4 2 PowerShell Scripting Environment PowerShell provides command level access to the ...
Страница 16: ...r more cycles of testing 2 4 4 PowerSync Analyzer Configuration Files PowerSync Analyzer software utilizes two local configuration files that can be adapted for a number of characteristics that are local to a user s setup and testing requirements These files are located as follows Operating System Config Directory Location Windows NT Windows XP Program Files Sifos PSA1200 Config Windows Vista Wind...
Страница 17: ..._Type Specifies whether PSE utilizes AC or DC MPS method to remove power from a PD This setting will be affected by the DC MPS vs AC MPS PSE Description controls in the PSA Interactive PSE Conformance Test menus and Multi Port Test Menus see Section 3 3 Default_ALT_Setting Specifies how to initialize all ports within the PowerSync Programmable Load for ALT pair selection Initialization is performe...
Страница 18: ...ctory and File Organization Microsoft Windows When PowerSync Analyzer software is installed to a Microsoft Windows PC files will be populated to particular directories as described in the following table Directory Path Directory Files PowerShell Script Library PowerShell Wish and PowerShell Tcl Executables PSA Initialization Script PowerShell Wish and PowerShell Tcl resource files documentation Va...
Страница 19: ...This directory includes various sample scripts at installation User Home Path bin Shell scripts to launch PowerShell TCL PowerShell_TCL sh PowerShell Wish PowerShell_Wish sh PSA Interactive PL PSA_Interactive sh PSA Software Installer and Removal Scripts Version information concerning individual PowerSync Analyzer software libraries is available from PSA Interactive PL under the Help menu as well ...
Страница 20: ...Connectivity Ports 1 2 Alt A or Alt B Polarity Ports 1 2 MDI or MDI X Detection Resistance Ports 1 2 Range 8 to 39 KΩ Resolution 1 KΩ Accuracy 1 Detection Capacitance Ports 1 2 Range 0 14 5 14 7 14 11 14 47 52 54 and 58 μF Accuracy 5 Load Current Ports 1 2 Range 0 to 511 mA Resolution 0 5 mA Error 1 8 1 1 mA Activation Voltage 15 5V Configurable Load Ports 1 2 Load Steps 2 Transient Range 200µs to...
Страница 21: ...ional Trigger Events Ports 1 2 Port Connection Connect Disconnect Current Load Change Current Load or Start Current Transient Software Trigout Command Routing DCV and DCI Measurements External Trigger Bus 2 7 4 Programming and Control Interface Ethernet 10 100BaseT Host Requirements PC or Lap Top Windows NT 98 2000 or XP Control Environment Sifos PowerShell or PSA Interactive Network Latency 5 mse...
Страница 22: ...and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmfu...
Страница 23: ... 1 PoE Service Test Suite The PoE Service Test Suite provides fully automated testing in 3 categories 3 1 1 Basic Service Tests Basic Service Tests evaluate the basic Power over Ethernet connection reporting connection information such as powered pairs including multiple PoE sources power polarity and the ability of the PoE service to power up typical and nominal Class 0 Class 1 Class 2 and Class ...
Страница 24: ...gh Power PD to assure clean DC line voltage to high power PD 0 5 Vpp 0 5 VAC PASS FAIL MIN_DETECT Power Applied to Valid Low End PD Signature to assure all Valid PD s are detected properly 24 Kohm PASS FAIL MAX_DETECT Power Applied to Valid High End PD Signature to assure all Valid PD s are detected properly 26 Kohm PASS FAIL Non802_DET Power Applied to Capacitive Load Invalid 802 3af PD to note c...
Страница 25: ...95 watts is available to PD 0 to 20 Watts PASS FAIL CLASS_0_RNG Power Available to PD with Borderline Class 0 Signatures to assure all Class 0 PD s receive the same power allocation PASS FAIL CLASS_1_RNG Power Available to PD with Borderline Class 1 Signatures to assure all Class 0 PD s receive the same power allocation PASS FAIL CLASS_2_RNG Power Available to PD with Borderline Class 2 Signatures...
Страница 26: ...automated Line Monitor designed to capture intermittent service drop outs This test may be configured to run with PD Class 1 Class 2 or Class 3 emulation where Class 3 would be the most strenuous in terms of power consumption Users select between a 30 minute test and a 12 hour test though in either case user s have the option to terminate monitoring at any time and recover results Intermittent Ser...
Страница 27: ...on signaling the powered line state and PSE response to a PD disconnect Two additional waveforms available are Disconnect Shutdown see Figure 3 11 and Overload Shutdown see Figure 3 12 These waveforms may utilized to visualize the PD service outlet response to either a PD disconnect or a PD transient overload condition Both conditions should result in power removal in order to prevent damage to ne...
Страница 28: ...hibits packet transmission following power application and removal the time to complete a full PoE Service Compliance Test will be lengthened significantly The test will report the maximum LAN inhibition durations Remote Out of Band Configuration In this configuration the PowerSync Analyzer is controlled over the network using a different connection from that carrying the PoE Service to be tested ...
Страница 29: ...measurements require the selection of a PD Power or load to emulate as these measurements are run A Class 1 PD represents a 3 8 Watt device a Class 2 PD represents a 6 5 Watt device and a Class 3 PD emulates a 13 Watt device Note that the PD classification selections are disabled for the PoE Service Tests since those tests cycle through all PD classes during the course of testing Run Test initiate...
Страница 30: ...arm Run only the Parametric PoE Service Tests described in Section 9 1 above class Run only the Classification Integrity PoE Service Tests described in Section 9 1 all Run all basic parametric and classification integrity Tests described in Section 9 1 This is the default mode and must be utilized to generate the spreadsheet report described in Section 9 2 above s Control to produce spreadsheet re...
