PD-IM-7604-4M/T4H
User Guide
PD-IM-7604-4MH and PD-IM-7604-4T4H Four 2-Pair Ports
and Four 4-Pair Ports Evaluation Boards
June 2019
PD-IM-7604-4MH and PD-IM-7604-4T4H Four 2-Pair Ports and Four 4-Pair Ports
Contents
1 Revision History ............................................................................................................................. 1
1.1 Revision 2.0 ........................................................................................................................................ 1
1.2 Revision 1.0 ........................................................................................................................................ 1
2 Product Overview .......................................................................................................................... 2
2.1 Evaluation System Features ............................................................................................................... 4
2.2 Evaluation System Interfaces and Connections .................................................................................. 4
2.2.1 RJ45 Connectors ...................................................................................................................................... 5
2.2.2 V IN Connector ........................................................................................................................................ 6
2.2.3 Isolated USB Interface ............................................................................................................................. 6
2.3 Test Points .......................................................................................................................................... 7
2.4 LED Indication ..................................................................................................................................... 7
2.5 Physical Characteristics ...................................................................................................................... 8
2.6 Electrical Characteristics ..................................................................................................................... 8
3 Installation and Settings ................................................................................................................ 9
3.1 Initial Configuration ............................................................................................................................ 9
4 Reference Documents .................................................................................................................. 11
5 Ordering Information ................................................................................................................... 12
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1 Revision History
The revision history describes the changes that were implemented in the document. The changes are
listed by revision, starting with the most current publication.
1.1 Revision 2.0
Revision 2.0 was published in June 2019 with minor editorial corrections.
1.2 Revision 1.0
Revision 1.0 was first published in November 2017. It was the first publication of this document.
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2 Product Overview
The PD-IM-7604-4M/T4H evaluation board is developed based on two PD69208M/PD69208T4-
PD69204T4 and PD69200 chipsets, and demonstrates the operation of four 4-pair ports and four 2-pair
ports systems.
Microsemi's PD69208M/PD69208T4/PD69204T4 Power over Ethernet (PoE) manager IC integrates
power, analog, and state-of-the-art logic into a single 56-pin, plastic QFN package. The device is used in
Ethernet switches and midspans to allow network devices to share power and data over the same cable.
The PD69208M/PD69208T4 device is an 8-port and PD69204T4 device is a 4-port, mixed-signal, and high-
voltage PoE driver. With the PD69200 external MCU, it performs as a PSE system. Microsemi's PD69200
PoE controller is a cost-effective and pre-programmed MCU designed to implement enhanced mode.
The PD69208M/PD69208T4/PD69204T4 and PD69200 chipset supports PoE powered device (PD)
detection, power-up, and protection according to IEEE standards as well as legacy/pre-standard PD
detection. It provides real-time PD protection through the following mechanisms such as, overload,
under-load, over-voltage, over-temperature, and short-circuit, and enables operation in a standalone
mode. It also executes all real-time functions as specified in IEEE 802.3at and IEEE 802.3bt draft 3.0
standards, including PD detection (AF and AT).
PD69208M/PD69208T4/PD69204T4 supports supply voltages between 32 V and 57 V without additional
power sources. A system that powers over four pairs can be implemented by combining 2 ports of
PD69208M/T4 and PD69204T4, enabling an extra feature for simple and low-cost high-power PD
devices. Ongoing monitoring of system parameters for the host software is available through
communication. Internal thermal protection is implemented in the chip. The PD69208M/PD69208T4
/PD69204T4 is a low power dissipation device that uses internal MOSFETs and internal 100 m sense Ω
resistors.
The PD69200 features an ESPI bus for each PD69208M/PD69208T4/PD69204T4. It is based on
Freescale's Kinetis_L family MKL15Z128VFM4 embedded with an ARM Cortex™-M0+core. The PD69200
utilizes an I C or UART interface to the host CPU. It is designed to support software field-upgradable
2
through the communication interface.
The evaluation system provides designers with the required environment to evaluate the performance
and implementation of the following.
PD69204T4 (four ports) and PD69208T4 (eight ports) PoE managers and PD69200 PoE controller (in
board PD-IM-7604-4T4H)
PD69208M (eight ports) PoE manager and PD69200 PoE controller (in board PD-IM-7604-4MH)
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The evaluation board, shown in the following figure, enables PoE designers to evaluate Microsemi's PoE
solution with flexibility and easy configuration. The application circuit of two PD69208M/PD69208T4-
PD69204T4 and PD69200 chipset is compact in size (highlighted in the white box on board).
Figure 1 • PD-IM-7604-4M/T4H Evaluation System Block Diagram
Input supply to the board is DC and it can be fed through the V connector (see IN Electrical Characteristics
for the input voltage range). The auxiliary power supply (5 V and 3.3 V) for the PD69208M(see page 8)
/PD69208T4/PD69204T4 is generated internally and the auxiliary power supply (3.3 V) for the PD69200
MCU is generated using a 3.3 V isolated DC DC converter.–
The board communicates with the host environment using UART communication, available through a
USB connector (U11). For this connection, a driver for CP210x should be installed. The driver can be
downloaded from .http://www.silabs.com/products/mcu/Pages/USBtoUARTBridgeVCPDrivers.aspx
A dedicated reset push button (SW1) is provided for resetting the PoE controller. The board consists of
eight output ports, of which four are 2-pair ports and the remaining four are 4-pair ports.
The board consists of different test points (for more information, see ). The Test Points (see page 7)
board also provides different LED indications (for more information, see ).LED Indication (see page 7)
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The following figure shows a top view of the evaluation board.
Figure 2 • PD-IM-7604-4M/T4H Evaluation Board
2.1 Evaluation System Features
The evaluation system has the following features.
Two gangs (each contains four RJ45 connectors)
Switch domain isolated from PoE domain
Switch domain USB interface
PoE controller manual reset
LED status indication for all the ports (LED stream)
Requires single power source only
0 °C to 40 °C working temperature
RoHS compliant
2.2 Evaluation System Interfaces and Connections
The evaluation system interfaces and connectors are listed in the following table.
Table 1 • Evaluation board Connectors
Serial
Number
Connector Name Description
1 J3, J4 RJ45
connectors
Eight RJ45 ports are connected to the powered device load
2 J1 V connectorIN The DC in (V ) connection is used to power the evaluation boardMAIN
3 U11 Isolated USB The USB communication, coming from the hosting system (U11), converted
to UART and directed to the PoE controller
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2.2.1 RJ45 Connectors
There are two dedicated RJ45 connectors. Each contains four RJ45 ports, so there are eight ports in
total. The four ports of J3 are 2-pair ports (port numbers 0, 1, 2, and 3) and the power connections of
the port are listed in the following table.
Table 2 • RJ45 Connectors 2-pair Port
Pin Number (each RJ45) Signal Name Description
4, 5 SPARE - Vport_Pos PoE's positive spare port
7, 8 SPARE - Vport_Neg PoE's negative spare port
The four ports of J4 are 4-pair ports (port numbers 4, 5, 6, and 7) and the power connections of the port
are listed in the following table.
Table 3 • RJ45 Connectors 4-pair Port
Pin Number (each RJ45) Signal Name Description
1, 2 DATA - Vport_Neg PoE's negative data port
3, 6 DATA - Vport_Pos PoE's positive data port
4, 5 SPARE - Vport_Pos PoE's positive spare port
7, 8 SPARE - Vport_Neg PoE's negative spare port
Manufacturer: Amphenol
Manufacturer part number: RJHSE508104
The following figure shows the RJ45 connectors.
Figure 3 • RJ45 Connectors
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2.2.2 V IN Connector
The DC input (V ) connection is used for powering the evaluation system. The recommended input MAIN
voltage range is 44 V DC > V > 57 V DC. The input connector is rated for 5 A (See for MAIN Evaluation Board
the V connector).IN
Table 4 • V IN Connector
Pin Number Signal Name Description
1 VMAIN Main positive voltage (referenced to GND_ANALOG)
2 GND_ANALOG Analog ground
3 GND_ANALOG Analog ground
Manufacturer: SWITCHCRAFT
Manufacturer part number: RAPC722X
The polarity of the V connector is as shown in the following figure.IN
Figure 4 • Power Supply Cable Polarity
2.2.3 Isolated USB Interface
This interface supplies USB communication coming from the hosting system (U11), converted to UART
communication (See for the isolated USB connector).Evaluation Board
Table 5 • Isolated USB Interface
Pin Number Signal Name Description
1 VBUS Voltage supply from USB bus
2 D– Dedicated USB signal
3 D+ Dedicated USB signal
4 GND_F Floating ground
Manufacturer: Samtec
Manufacture part number: USB-B-S-S-B-TH
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2.3 Test Points
The following table lists the test points in the evaluation board.
Table 6 • Test Points
Designation Description
TP1 Connected to power good pin, PG3
TP2 Connected to power good pin, PG2
TP3 Connected to power good pin, PG1
TP4 Connected to power good pin, PG0
TP5 PD69200 supply (3.3 V) test point
TP6 PD69200 ground test point
TP7 I C bus serial data (SDA)
2
TP8 I C bus serial clock (SCL)
2
h1 (+) Evaluation board positive input (V ) test pointMAIN
h2 (–) Evaluation board input ground test point
2.4 LED Indication
The evaluation board contains status indication LEDs, listed in the following table.
Table 7 • LED Indication
Designation Description
D2 Input voltage indication
D3 PoE controller 3.3 V indication
D4 System OK indication; by default, turns on when input voltage is within operating range
D5 Interrupt indication; LED turns on when a pre-configured event is happening
Apart from these LEDs, each RJ45 connector port contains a dedicated LED (green LED), which displays
the status of the particular port.
Table 8 • Port Status Indications
Port LED
Color
Port Load Conditions Port Voltage
Off Inactive load or unplugged load Power to port is disconnected, no DC voltage is present
on port output lines
Green Active load is plugged in and complies with
normal load conditions
Continuous nominal DC voltage is present
Blinking
green
Overload, short circuit, or power management Power to port is disconnected, no DC voltage is present
on port output lines
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2.5 Physical Characteristics
The mechanical dimensions of the board are 180 mm × 60 mm × 16 mm (L × W × H).
2.6 Electrical Characteristics
The following table lists the electrical characteristics of the evaluation system.
Table 9 • Electrical Characteristics
Parameter Minimum Maximum Units
Main DC supply VMAIN 44 57 V
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3 Installation and Settings
This section describes the steps required for installing and operating the PD-IM-7604-4M/T4H
evaluation system. Take the following precautions before starting the installation.
Ensure that the power supply of the board is turned on before the peripheral devices are turned on.
Ensure that all the required peripherals are connected before powering the board.
Ensure that power bank15 is set to 200 W.
Ensure the correct polarity of the power supply cable. The polarity of the power supply cable is as
shown in .Power Supply Cable Polarity (see page 6)
Note
Confirm that the evaluation board is properly configured prior to starting any operation. For
more information about the software and GUI used for enhanced mode operation, see
catalog number 06-0027-056.Software GUI User Guide
,
3.1 Initial Configuration
The board based on PD69208T4 and PD69204T4 devices (ordering part number PD-IM-7604-4T4H) is
configured with the following matrix.
Table 10 • Port Matrix
Port Identification Number Logical Port Physical Port (ALT-A) Physical Port (ALT-B)
0 0 0 255
1 1 1 255
2 2 2 255
3 3 3 255
4 4 4 5
5 5 6 7
6 6 8 9
7 7 10 11
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The board based on two PD69208M devices (ordering part number PD-IM-7604-4MH) is configured with
the following matrix.
Table 11 • Port Matrix
Port Identification Number Logical Port Physical Port (ALT-A) Physical Port (ALT-B)
0 0 0 255
1 1 1 255
2 2 2 255
3 3 3 255
4 4 8 9
5 5 10 11
6 6 12 13
7 7 14 15
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4 Reference Documents
The following documents can be obtained through Microsemi customer support. To access other
documents, visit the .Microsemi website
IEEE 802.3af-2003 Standard, DTE Power via MDI
IEEE 802.3at-2009 Standard, DTE Power via MDI
PD69204T4 Datasheet (PD-000303601)
PD69208M Datasheet (PD-000303451)
PD69208T4 Datasheet (PD-000303603)
Application Note 211: Designing a PD69208 48-port Enhanced PoE Systems and Layout Design
Guidelines (catalog number PD69208_AN_211) (PD-000300282)
Technical Note 218: Interfacing LED Stream circuit with PD69200 (catalog number
PD69200_TN_218_PoE_LED_Stream_Interface)
PD69200 Serial Communication Protocol User Guide (catalog number PD_69200_UG_COMM_PROT)
Software GUI User Guide (catalog number 06-0027-056)
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5 Ordering Information
The following table lists the ordering information for the PD-IM-7604-4MH/4T4H evaluation boards.
Table 12 • Ordering information
Ordering Number Description
PD-IM-7604-4MH Four 2-pair and four 4-pair type-3 ports, the PD69208M-based enhanced evaluation
board supports up to 60 W (4-pair) with LED stream and is RoHS compliant.
PD-IM-7604-4T4H Four 2-pair and four 4-pair type-4 ports, the PD69208T4/PD69204T4-based enhanced
evaluation board supports up to 99 W (4-pair) with LED stream and is RoHS compliant.
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