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Reach PoE4N Tester Manual 1.4

08/09/2017

Page 10

5.

Operational Overview

5.1.

Data path

The data path section allows the UUT port data to be in two states: disconnected, or

connected to the data of the next UUT port. This allows data to pass from port to port for

testing.

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Содержание RT-PoE4N

Страница 1: ...erved Information contained in this user documentation is subject to change without notice and does not represent a commitment on the part of Reach Technology Reach Technology assumes no responsibilit...

Страница 2: ...ION GUIDE 7 3 1 POWER 7 3 2 SERIAL CONSOLE 7 3 3 UUT UNIT UNDER TEST CONNECTIONS 7 4 CONNECTORS AND JUMPERS 8 4 1 RJ 45 ETHERNET CONNECTORS 8 4 2 REAR CONNECTORS 8 4 3 ETHERNET POWER SELECTION 9 5 OPE...

Страница 3: ...OR MESSAGES 22 APPENDIX B TEST SETUPS 23 B 1 OVERVIEW 23 B 2 SIGNATURE DETECT 23 B 3 CLASS DETECT 23 B 4 POWER STATUS AND OVERLOAD IEEE 802 3AF 24 B 5 POWER STATUS AND OVERLOAD IEEE 802 3AT 24 B 6 POW...

Страница 4: ...Model The Model RT PoE4N is the initial version in production It can be recognized by the version string as follows see the VERSION command also seen on power on Reach PoE Tester Model RT PoE4N 24 PN...

Страница 5: ...d so as to keep the cost of the tester low Most switches provide a way of bypassing LLDP to provide full power to a particular port LLDP is implemented in firmware if the unit can pass data under powe...

Страница 6: ...ns are 16 665 deep 17 30 wide fits 19 rack mounting ears provided 1 74 high 2 5 Electrical Characteristics The RT PoE4N is powered via a locking power DIN 4 pin connector and requires 12V DC at a maxi...

Страница 7: ...al DTE name 1 2 3 RS232 data output TxD 4 Ground 5 Ground 6 RS232 data input RxD 7 8 these signals are connected to each other 3 3 UUT Unit Under Test Connections The RT PoE4N has twenty four identica...

Страница 8: ...a software command the data component of the port N N 1 3 5 will be connected to the data of port N 1 via Ethernet transformers and relays This is a straight through connection not a crossover 4 2 Rea...

Страница 9: ...rs required to set which conductors provide power The unit contains two separate power paths for pair 1 2 3 6 and for pair 4 5 7 8 These have the standard full wave bridge so any polarity is accepted...

Страница 10: ...09 2017 Page 10 5 Operational Overview 5 1 Data path The data path section allows the UUT port data to be in two states disconnected or connected to the data of the next UUT port This allows data to p...

Страница 11: ...2 Power input Power Input above 2 instances one for each power pair Each UUT port can have either power pair measured reported voltage can be positive or negative depending on polarity or connected to...

Страница 12: ...PoE controller used is the TI TPS2378 The signature resistor options are nominal or invalid too high This is enough to validate the PSE s ability to detect the physical IEEE signature A legacy capacit...

Страница 13: ...as been issued the fans will stay on until nominal heatsink temperature has been reached 5 5 RJ45 LEDs Each RJ45 connector has a green and yellow LED The Green LED will be lit when the power good stat...

Страница 14: ...0x0D decimal 13 Most commands have a short form version The optional characters of a command are indicated by the brackets All commands that take on or off arguments can also take 1 and 0 as arguments...

Страница 15: ...d r n HOSTNAME Description Used to change the unit s prompt This is useful in a production system so the script knows exactly which physical unit it is talking to Name must be equal or less than 31 ch...

Страница 16: ...state This is the same as if the unit has its power cycled Command boot PORT GROUP PREFIX Description For all port specific commands a port or group prefix will restrict the command to a specific por...

Страница 17: ...Example response p9 class 3 CR LF This sets port 9 IEEE class to 3 UPOE Description Changes between regular PoE PoE mode and UPoE mode In UPoE mode the load is limited to 100mA until power good is det...

Страница 18: ...is the alternate pair e g when connect 0 1 is entered then only the alternate pair will be connected to the load Command conn ect on off 0 0 0 1 1 0 1 1 Response printf p d Connect Sig d n port state...

Страница 19: ...0 Example p1 meas Example response p1 50 5V 0 0V CR LF MEASURE2 Description Measures the voltage from the UUT center taps of GbE magnetics of the main and alt pair Reports the voltage as either posit...

Страница 20: ...2 350mA CR LF p14 350mA CR LF p15 350mA CR LF p16 350mA CR LF STATUS Description Returns the Power Good status of the IEEE load controllers The power status is active when the IEEE controller is recei...

Страница 21: ...ompt RT PoE4N indicates that the unit is ready for commands RT PoE4N revision dependent version string Calibrating all ports p1 Autocal OK p2 Autocal OK p3 Autocal OK p4 Autocal OK p5 Autocal OK p6 Au...

Страница 22: ...was not valid run calibration first If the power on calibration was interrupted and the set or class commands are used this error message is generated invalid class value The CLASS command argument is...

Страница 23: ...t on Verify that the PSE does not see a valid PD detect ok Verify that the PSE does recognize a valid PD detect hi Verify that the PSE does not see a valid PD detect ok cap on Verify that the PSE does...

Страница 24: ...d shuts off power status verify that power is off B 5 Power Status and overload IEEE 802 3at Same as above but use class 4 and set 600 for full power and set 660 for overload B 6 Power Status and over...

Страница 25: ...Voltage Measurement 2 or 0 5V whichever is greater Current setting power load 2 or 2mA whichever is greater 5mA load guaranteed less than 5mA 10mA load guaranteed greater than 10mA Current setting cl...

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