Reach Technology RT-PoE4N Manuel utilisateur

Reach PoE4N Tester Manual 1.4 08/09/2017 Page 1

Reach PoE4N Tester Manual 1.4

Model RT-PoE4N

Software Version 1.0 and above

August 09, 2017

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@reachtech.com

Reach PoE4N Tester Manual 1.4 08/09/2017 Page 2

Table of Contents

1. REVISION HISTORY........................................................................................................... 4

1.1. RTI-POE4N -BASE MODEL.............................................................................................. 4

2. GENERAL.............................................................................................................................. 5

2.1. OVERVIEW......................................................................................................................... 5

2.2. FRONT PANEL.................................................................................................................... 5

2.3. FEATURES.......................................................................................................................... 6

2.4. DIMENSIONS...................................................................................................................... 6

2.5. ELECTRICAL CHARACTERISTICS ....................................................................................... 6

2.6. ENVIRONMENTAL.............................................................................................................. 6

2.7. WARRANTY....................................................................................................................... 6

2.8. OPERATING SOFTWARE..................................................................................................... 6

2.9. CALIBRATION.................................................................................................................... 6

3. CONFIGURATION 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. OPERATIONAL OVERVIEW .......................................................................................... 10

5.1. DATA PATH...................................................................................................................... 10

5.2. POWER INPUT .................................................................................................................. 11

5.3. SIGNATURE,CLASS,AND LOAD....................................................................................... 12

5.4. FANS................................................................................................................................ 13

5.5. RJ45 LEDS...................................................................................................................... 13

6. COMMAND REFERENCE................................................................................................ 14

HELP ......................................................................................................................................... 14

VERSION.................................................................................................................................. 14

ERROR CHECK........................................................................................................................ 15

HOSTNAME............................................................................................................................. 15

BAUD........................................................................................................................................ 15

ECHO ........................................................................................................................................ 16

BOOT ........................................................................................................................................ 16

PORT /GROUP PREFIX .......................................................................................................... 16

CAL ........................................................................................................................................... 16

CAP............................................................................................................................................ 17

CLASS....................................................................................................................................... 17

UPOE......................................................................................................................................... 17

CONNECT ................................................................................................................................ 18

DETECT.................................................................................................................................... 18

EXT............................................................................................................................................ 18

MEASURE ................................................................................................................................ 19

MEASURE2 .............................................................................................................................. 19

Reach PoE4N Tester Manual 1.4 08/09/2017 Page 3

RESET....................................................................................................................................... 19

SET............................................................................................................................................ 20

STATUS.................................................................................................................................... 20

TEMPERATURE ...................................................................................................................... 20

APPENDIX A - OPERATIONAL NOTES............................................................................... 21

A.1 POWER-ON....................................................................................................................... 21

A.2 ERROR 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 POWER STATUS AND OVERLOAD (UPOE)....................................................................... 24

B.7 DATA TRANSMISSION UNDER POWER (IEEE 802.3AF).................................................... 24

APPENDIX C - SPECIFICATIONS......................................................................................... 25

C.1 MEASUREMENT SPECIFICATIONS.................................................................................... 25

Reach PoE4N Tester Manual 1.4 08/09/2017 Page 4

1. Revision History

1.1. RTI-PoE4N - Base 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 53-0003-11 Rev A 01 SW 1.02 07/01/2014

Reach PoE4N Tester Manual 1.4 08/09/2017 Page 5

2. General

2.1. Overview

Manufacturers of Ethernet Power Sourcing Equipment (PSE) such as Ethernet Switches

need to test PoE power functionality during manufacturing. Once a unit is in

manufacturing, it can be assumed that it has already been tested for full Compliance with

the applicable IEEE 802.3 PoE standard. It is not cost-effective, nor necessary, to

perform full compliance testing at the manufacturing stage. What is needed is a

functional test that verifies the software’s ability to detect and control power, and the

basic connectors’and magnetics’ability to provide power and pass data.

The Reach RT-PoE tester family has been designed for cost-effective functional

production test. It assumes that the PSE can be operated in a “diagnostic” mode whereby

the power control and detection functions of the PSE can be individually tested. The

LLDP protocol specified by the 802.3at standard is not supported 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 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 provides diagnostic functional

testing of 24 PSE ports compatible with IEEE Standards 802.3af and 802.3at. In addition

it can test high power ports such as UPoE that use all four pairs to provide power. It can

draw up to 660mA per power pair while passing gigabit traffic. It provides high density

with 24 Powered Device (PD) loads in a 1U high chassis.

Each RT-PoE4N port passes up to GbE speed traffic to the next port to facilitate data

traffic testing. That is, Port 1 data connects to Port 2, 3 to 4, and so on. This is useful

when the PSE has diagnostics to do port-to-port traffic testing, or when the PSE is set up

for port pair VLANs to force traffic through all ports. This contrasts with the RT-PoE3N

that has the data broken out to a separate REF port.

2.2. Front panel

Picture 1: Front of RT-PoE4N

Reach PoE4N Tester Manual 1.4 08/09/2017 Page 6

2.3. Features

IEEE signature options: nominal, high, and over-spec capacitive.

Classification 0 through 4 (all nominal).

Passes GbE traffic from each test port to the neighboring port isolated from PD load (1-2,

3-4, etc).

Relay data path for compatibility with Phy-based cable diagnostics.

Low cost compared to compliance-level PD emulators.

Universal voltage (110/220) power supply.

Serial RS232 console control.

2.4. Dimensions

The unit fits in a standard 19" rack using screw-on ears.

Case outside dimensions 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 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. Environmental

Operating temperature range is 0C to 40C. Storage is -30C to 70C.

Humidity is 85% maximum, non-condensing

2.7. Warranty

The RT-PoE4N is warranted by Reach Technology against manufacturing defects for one

year.

2.8. Operating Software

No Software license is required.

2.9. Calibration

The unit performs self-calibration on power-on, or on command.

Reach PoE4N Tester Manual 1.4 08/09/2017 Page 7

3. Configuration Guide

3.1. Power

The power input is located on the rear of the unit. The power supply provided is a

"desktop" type brick with a three prong IEC input connector. An AC power cord

compatible with U.S. power outlets is optional. There is no power switch; it is on when

the power is applied.

3.2. Serial Console

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 (full duplex).

RJ-45 Connector:

Signal (DTE name)

RS232 data output (TxD)

Ground

RS232 data input (RxD)

** these signals are connected to each other

3.3. UUT (Unit Under Test) Connections

The RT-PoE4N has twenty-four identical test ports. Connect the port of the PSE (PoE

Supplying Equipment) under test to the port connector via a standard straight through

Ethernet cable. The PSE data will be routed to the next port (1 to 2, 3 to 4, etc) on a

straight-through, non-crossover basis. There is a UPoE, GbE rated 802.3at class

transformer isolating the PoE4N RJ45 so that power can be tapped from the PSE while

data is passed on. All data path connections are made via signal relays and 100 ohm

differential pairs for data integrity.

NOTE: with high power loads, the DC balance of the patch cables used is important to

avoid DC saturation of the Ethernet transformers. DC Balance (DC resistance per side

of the power carrying pair) should be within 3%. The standard patch cable

specifications of Cat 5, 5e, and 6 do not specify DC balance.

Reach PoE4N Tester Manual 1.4 08/09/2017 Page 8

4. Connectors and Jumpers

4.1. RJ-45 Ethernet Connectors

Picture 2: Far left side of RT-PoE4N front panel

There are 24 numbered UUT ports. The RJ connector should be cabled to the

corresponding PSE port using a standard Ethernet 1-1 jumper cable. When enabled 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 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 pin 3,4 are GND. Below that is a

console connector RJ45 three wire RS232. See the Serial Console section for pinout.

Reach PoE4N Tester Manual 1.4 08/09/2017 Page 9

4.3. Ethernet Power Selection

Unlike the RT-PoE3N model, there are no jumpers 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. The

voltage measurement function accommodates either polarity and can be used to validate

the expected PSE port polarity.

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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