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Reach Technology PoE4N/10G, Manual

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Reach Technology PoE4N/10G Manual Download Page 15

Reach PoE4N/10G Tester Manual 1.1 

06/15/2020 

Page 15 

6. 

Ethernet Cables 

 

The performance of a CAT6A rated link is dependent on the cabling, connectors, mated 

connections and hardware components that make up the link. 

 

The PoE4N/10G data path passes 10GBASE-T traffic from each test port to the adjacent test 

port (ports 1-2, 3-4, etc.). The data path connections are made through magnetics and signal 

relays for compatibility with Phy-based cable diagnostics. When passing 10GBASE-T traffic 

through the PoE4N/10G data path, it is important to consider the type of cable, plugs and 

jacks used as part of that link. 

 

The PoE4N/10G data paths are all tested to the TIA CAT6A permanent link test limit using 

the DSX-5000 and the DSX-PLA004 permanent link adapters as shown in Figure 1 below. 

The permanent link consists of two 40meter CAT6A cables. Each 40 meter length of cable 

consists of a plug mated to the test port and a jack mated to the DSX-PLA004 permanent link 

adapter. The combination of cable and connectors shown in Figure 1 was found to have the 

best performance. 

 

 

Figure 1: Po#4/10G Permanent Link Test Setup 

Summary of Contents for PoE4N/10G

Page 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 responsibility or liability for any errors or inaccuracies that may appear in the user documentation Reach Technology www reachtech com Sales 408 754 4176 sales reachtech com Support 503 675 6464 techsupport reach...

Page 2: ... 3 CONFIGURATION GUIDE 7 3 1 POWER 7 3 2 SERIAL CONSOLE 7 3 3 UUT CONNECTIONS 8 4 CONNECTORS AND JUMPERS 9 4 1 RJ 45 ETHERNET CONNECTORS 9 4 2 REAR CONNECTORS 9 4 3 ETHERNET POWER SELECTION 10 5 OPERATIONAL OVERVIEW 11 5 1 DATA PATH 11 5 2 POWER INPUT 12 5 3 SIGNATURE CLASS AND LOAD 13 5 4 FANS 14 5 5 RJ45 LEDS 14 6 ETHERNET CABLES 15 7 COMMAND REFERENCE 16 HELP 16 VERSION 16 ERROR CHECK 17 HOSTNA...

Page 3: ...R ON 23 A 2 ERROR MESSAGES 24 APPENDIX B TEST SETUPS 25 B 1 OVERVIEW 25 B 2 SIGNATURE DETECT 25 B 3 CLASS DETECT 25 B 4 POWER STATUS AND OVERLOAD IEEE 802 3AF 26 B 5 POWER STATUS AND OVERLOAD IEEE 802 3AT 26 B 6 POWER STATUS AND OVERLOAD UPOE 26 B 7 DATA TRANSMISSION UNDER POWER IEEE 802 3AF 26 APPENDIX C SPECIFICATIONS 27 C 1 MEASUREMENT SPECIFICATIONS 27 ...

Page 4: ...se Model The Model RT PoE4N 10G is the initial version in production It can be recognized by the version string as follows see VERSION command also seen on power on Reach PoE Tester Model RT PoE4N 10G 24 PN 53 0004 11 Rev A 01 SW 1 03 11 01 2016 Copyright C 2005 2016 by Reach Technology Inc ...

Page 5: ...eep 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 power it can pass LLDP packets and so testing LLDP functionality is not necessary for a production test The Reach Power over Ethernet Tester Model RT PoE4N 10G provides diagnostic functional testing of 24 PSE ports c...

Page 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 10G is powered via a locking power DIN 4 pin connector and requires 12V DC at a maximum of 8 5 Amps The unit is supplied with a worldwide universal AC input power supply brick Its characteristics are 85 264VAC input 87 5 efficient 0 to 40C operation IEC320 C14 input 2 6 Environme...

Page 7: ...nsole The serial console port is located at the rear of the unit It is an RJ 45 with a three wire RS 232 level interface The interface has the same pinout as found on Cisco routers and switches The baud rate factory default is 9600 1 stop no parity 8 bits The baud rate can be changed by software command see the BAUD command in the Command Reference section Characters are echoed as they are typed f...

Page 8: ... connector see the Ethernet Cables section for more information regarding cables There is an 802 3at class transformer isolating the UUT ports in each port pair so that power can be tapped from the UUT see the Data Path section for more details Note that the devices connected to any given port pair cannot see the power from the other port In other words the UUT ports in a port pair are connected f...

Page 9: ... via 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 Rear Connectors Picture 3 Far left side of RT PoE4N 10G rear panel The rear of the unit left side is shown above The power jack is a power DIN 4 pin with lock type KYCON KPPX 4 Pin 1 4 are 12VDC and p...

Page 10: ...e no jumpers required to set which conductors provide power The unit contains two separate power paths for pairs 1 2 3 6 and 4 5 7 8 These have the standard full wave bridge so any polarity is accepted The voltage measurement function handles either polarity and can be used to validate the expected PSE port polarity ...

Page 11: ...06 15 2020 Page 11 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 ...

Page 12: ...or 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 the Full Wave Bridge and subsequent load circuits Voltage measurement circuit Full Wave Bridge input etc see next section measure command connect command ...

Page 13: ...PD 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 capacitive load can be applied which should cause the signature detect to fail This can also be used to simulate an AC load for AC disconnect testing The classification Class loads are standard The power ...

Page 14: ...d has 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 status of the IEEE controller goes active The status command can also be used to report the power good status of each PoE PD controller The yellow LED will be lit when a setting is changed on the port ...

Page 15: ...When passing 10GBASE T traffic through the PoE4N 10G data path it is important to consider the type of cable plugs and jacks used as part of that link The PoE4N 10G data paths are all tested to the TIA CAT6A permanent link test limit using the DSX 5000 and the DSX PLA004 permanent link adapters as shown in Figure 1 below The permanent link consists of two 40meter CAT6A cables Each 40 meter length ...

Page 16: ...er 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 Responses from the unit that include variable data such as the port number are shown as C printf style strings so the script writer knows exactly what to expect as a response HELP Description Disp...

Page 17: ...is 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 characters long Command host name string Example hostname myTester This makes the unit s prompt myTester BAUD Description Used to change the unit s baud rate This will not take effect until the unit power is cycled or the boot command is issued This is done to mak...

Page 18: ...nd to a specific port or port group The prefix must be followed by a space before the port command If no prefix is used the command will be applied to all 24 ports Port Prefix pN This specified port N where N is from 1 to 24 Group Prefix gM This specifies group M where M is from 1 to 3 group 1 ports 1 8 group 2 ports 9 16 group 3 ports 17 24 CAL Description Runs internal calibration of class and p...

Page 19: ...l power is valid on the alternate pair Command upoe on off 0 0 0 1 1 0 1 1 Response printf p d upoe d n r port state state 1 or 0 for on and off respectively CONNECT Description Controls the relays that connect the power load circuitry to the UUT port via the GbE transformer From a power perspective this is equivalent to plugging in the RJ45 from the UUT See the Operational Overview section for mo...

Page 20: ... both ports This is necessary for the ports to send data to each other When ext is off the data path is open Command ext ernal on off Response printf p d Ext Ref d n port state state 1 or 0 for on and off respectively MEASURE Description Measures the voltage from the UUT center taps of GbE magnetics of the main Reports the voltage as either positive or negative depending on the polarity of the pai...

Page 21: ... 0 and 60 0 Example p1 meas2 Example response p1 50 5V 0 0V CR LF RESET Description Resets port s to fully disconnected state Command res et Response printf p d reset n port SET Description Sets power load value in milliamps If set too low the minimum value will be set if at or above 1400mA an error will occur Note that this is the load for both the main and the alt pair Command set value Response...

Page 22: ...value and the load capacitor is charged Also reports if an over temperature condition occurred that caused the port to be shut down Command st atus Response printf p d PWR d PWR2 d n port state1 state2 state 1 or 0 for on and off respectively TEMPERATURE Description Reports the temperature of the drain pin of the MOSFET load as measured on the line card PCB Command temp erature Response printf p d...

Page 23: ...e following messages The prompt RT PoE4N 10G indicates that the unit is ready for commands RT PoE4N 10G revision dependent version string Calibrating all ports p1 Autocal OK p2 Autocal OK p3 Autocal OK p4 Autocal OK p5 Autocal OK p6 Autocal OK p7 Autocal OK p8 Autocal OK p9 Autocal OK p10 Autocal OK p11 Autocal OK p12 Autocal OK p13 Autocal OK p14 Autocal OK p15 Autocal OK p16 Autocal OK p17 Autoc...

Page 24: ...ix 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 not 0 thru 4 Error set limit is 1400mA The argument for the SET command is too large p d Autocal FAIL Autocalibrate has failed on the specified port unsupported baud rate Baud rate argument is inv...

Page 25: ...onnect 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 not see a valid PD B 3 Class Detect RT PoE commands PSE check after commands issued reset connect on detect ok class 0 Verify that the PSE sees a class 0 PD class 1 Verify that the PSE sees a cl...

Page 26: ... and 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 overload UPoE Same as above but use set 1200 for full power and set 1320 for overload B 7 Data transmission under power IEEE 802 3af RT PoE commands Check after commands issued as above for specific te...

Page 27: ...ons 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 class load 2 or 0 5mA whichever is greater All specifications subject to change at any time without notice ...

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