User Manual
Contents
1. power output from the EVALAG5200 evaluation board J4 connects to the dc input of the Vivotek PZ6122 ethernet camera CAT5e Patch Mains Supply Cable POE36U 1AT R EVALAg5200 Vivotek PZ6122 Ethernet Camera Data Mains J2 Data amp DE J1 Ag5200 Ww C0 PC Data CAT5e CAT5e Patch Crossover Cable Cable Figure 3 Example set up 6 2 EVALAG5200 REV 1R Evaluation Board Schematic I l Power In Isolat ion Barrier Data out l Figure 4 Board Schematic 6 3 Link settings LK1 Connects input power LED circuit LK2 Output adjust select LK3 IEEE802 3at PSE detection LED2. Class 4 and does not need any external programming components When the EVALAG5200 board is connected to an IEEE802 3at PoE compliant PSE such as a Phihong POE36U 1AT R the PSE will detect Class 4 and output 2 Event classification pulses In turn the Ag5200 detects these pulses and activates the AT DET detect output This output is connected to an opto isolator to cross the isolation barrier and LED 3 will be illuminated Note The EVALAG5200 does not have an on board PHY or u controller so does not perform the Data Link Layer DLL classification communications back to the PSE to confirm its power requirement Many IEEE802 3at PSEs such as the Phihong POE36U 1AT R do not need this and will automatically supply full Type 2 power at start up But there are several Switches e g Cisco that will only output Type 1 power level lt 15 4W until they receive DLL confirmation that the PD is Type 2 and supports the higher power level Ji Data amp TI Power In 1 H 1 PoE Power JJ ERZ Data Out Zz i LEDS R J4 LEDL i Output ON Ei EVALAGS2Z00 REV1 0 Figure 1 Board Layout 4 2 Output adjustment The Ag5200 output has an ADJ pin which allows the output voltage to be increased or decreased from its nominal value The EVALAG5200 board has an adjust link LK2 and two resistors R2 100K and R4 OR which allows the Ag5200 output to be adjusted to its maximum and minimum values To increase the output
3. Silvertel EVALAG5200 Rev 1 Evaluation Board User Manual Rev 1 0 January 2013 1 Table of Contents Table of Contents Table of Figures Introduction Board Description 4 1 Input Selection and Classification 4 2 Output adjustment 5 Typical Set up 6 Using the Board 6 1 Typical Application ohn chee den sdacedacduerataneiqedtaadanadasesaaeesebestesetdeecceceSencdeetaastonsteeotaeees 6 2 EVALAG5200 REV 1R Evaluation Board Schematic 6 3 Link settings REN 2 Table of Figures Figure 1 Board Layout Figure2 Basicset Up eee FOUG e e m a SS A A cial KN Figure 4 Board Schematic NN li 3 Introduction This manual is intended to be a guide to using the EVALAG5200 Rev1 0 evaluation board with a Silvertel Ag5200 Powered Device PD module 4 Board Description The input data and power is supplied to the board through connector J1 The data is passed through to the peripheral equipment via J2 with the power form the PD module is supplied via J3 to J5 see Figure 1 amp 4 The EVALAG5200 on board bridge rectifiers will ensure that the correct input polarity is applied to the PD 4 1 Input Selection and Classification The EVALAG5200 board will automatically direct the power from J1 to the Ag5200 s input LED2 will be illuminated when PoE power is being applying to the board LK1 can be removed if you do not want LED2 to illuminate The Ag5200 Classification is fixed at
4. voltage to its maximum connect a link to LK2 position in a to reduce the output voltage to its minimum connect a link in position b If the output voltage needs to be set to a different value within the adjustment range then connect a resistor instead of a OR link 5 Typical Set up Figure 2 shows the basic set up using the EVALAG5200 evaluation board with a Midspan or Endspan The equipment required gt Midspan or Endspan PSE Power Sourcing Equipment gt Peripheral or Test Equipment gt CAT5e cables gt Output power cable gt Mains cable Mains Supply MidSpan Endspan EVALAG5200 Board Peripheral Equipment Data J2 Data amp Power F Dat 7 p PC or Switch Morea J3 J5 said or J4 Figure 2 Basic set up 6 Using the Board 6 1 Typical Application Figure 3 shows an example set up using an Ag5200 powered by a Phihong POE36U 1AT R Midspan and supplying 12V to a Vivotek PZ6122 or PZ6112 ethernet camera The PC ethernet port is connected to the data input of the Phihong POE36U 1AT R PSE via a short Cat5e patch cable The Data amp Power output from the Phihong POE36U 1AT R is connected to the input of the EVALAG5200 evaluation board J1 via a CAT5e crossover cable up to 100m The data output of the EVALAG5200 evaluation board is connected to the data port of the ethernet camera via a short CAT5e patch cable The 12V parallel configuration
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