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Rev A

DEMO MANUAL DC2685B

QUICK START PROCEDURE

Table 1. DC2684A-B AUTO and 4PV# Jumper Settings

JUMPER

SETTING

OPERATION

AUTO (JP1)

Host Control Required

Autonomous

4PV# (JP2)

Port powered only when both

pairsets present a valid signature

Any pairset presenting a valid

signature is powered

Table 3. DC2685B Power Supply Voltage Range per PSE Type

IEEE TYPE

Supply Voltage Range

Type 3

51V to 57V

Type 4

53V to 57V

Table 4. DC2685B Address Settings

SW3

ADDRESS

AD3

AD2

20h

24h

28h

2Ch

Table 2. DC2684A-B Auto Mode Maximum Delivered Power

Capabilities Jumper Settings

PM1

(JP4)

PM0

(JP3)

Max Port Power

(Single-Signature)

Max Pairset Power

(Dual-Signature)

40W

13W

51W

25.5W

62W

25.5W

71.3W

35.6W

Figure 3. DC2685B Kit Connections

Содержание LINEAR DC2683A

Страница 1: ...Up to four IEEE 802 3af IEEE 802 3at or IEEE 802 3bt powered devices PDs can be connected and powered from this All registered trademarks and trademarks are the property of their respective owners BO...

Страница 2: ...other 5 Connect a supply to the motherboard with the posi tive rail to AGND and negative rail to VEE as shown in Figure 3 Use a power supply capable of sourcing the maximum delivered power for all fou...

Страница 3: ...3 Rev A DEMO MANUAL DC2685B QUICK START PROCEDURE Figure 1 DC2684A B Jumpers AUTO 4PV PM0 and PM1 Figure 2 Inserting the DC2684A B Daughter Card Into J7 of the DC2683A Motherboard...

Страница 4: ...is powered Table 3 DC2685B Power Supply Voltage Range per PSE Type IEEE TYPE Supply Voltage Range Type 3 51V to 57V Type 4 53V to 57V Table 4 DC2685B Address Settings SW3 ADDRESS AD3 AD2 LO LO 20h LO...

Страница 5: ...A B demonstrates proper LTC4291 1 LTC4292 board layout on a compact daughter card approximately the height and width of a 2 4 RJ45 connector Isolation and Power Supplies The LTC4291 1 LTC4292 chipset...

Страница 6: ...R10 respectively This sets these two address bits low Address pins AD2 and AD3 are brought out to the 30 pin connector for con figuration on the motherboard See Figure 6 and Table 4 4PV Jumpers The 4P...

Страница 7: ...ect before applying power LED Indicators VEE LED D5 and VDD LED D7 indicate if a voltage is present at these supplies Verify these LEDs are off before inserting or removing the daughter card Each pair...

Страница 8: ...OT install jumper make no connections JP2 MODE Do NOT install jumper make no connections JP3 Watchdog Enables Do NOT install jumper make no connections JP4 EE Jumper MUST be in the EN position JP5 SW...

Страница 9: ...9 Rev A DEMO MANUAL DC2685B DC2684A B DAUGHTER CARD LAYOUT FILES Figure 7 DC2684A B Top Silkscreen Figure 8 DC2684A B Top Layer...

Страница 10: ...10 Rev A DEMO MANUAL DC2685B DC2684A B DAUGHTER CARD LAYOUT FILES Figure 9 DC2684A B Inner Layer 2 Figure 10 DC2684A B Inner Layer 3...

Страница 11: ...11 Rev A DEMO MANUAL DC2685B DC2684A B DAUGHTER CARD LAYOUT FILES Figure 11 DC2684A B Bottom Layer Figure 12 DC2684A B Bottom Silkscreen...

Страница 12: ...12 Rev A DEMO MANUAL DC2685B DC2683A MOTHER BOARD LAYOUT FILES Figure 13 DC2683A Top Silkscreen...

Страница 13: ...13 Rev A DEMO MANUAL DC2685B DC2683A MOTHER BOARD LAYOUT FILES Figure 14 DC2683A Top Layer...

Страница 14: ...14 Rev A DEMO MANUAL DC2685B Figure 15 DC2683A Inner Layer 2 DC2683A MOTHER BOARD LAYOUT FILES...

Страница 15: ...15 Rev A DEMO MANUAL DC2685B Figure 16 DC2683A Inner Layer 3 DC2683A MOTHER BOARD LAYOUT FILES...

Страница 16: ...16 Rev A DEMO MANUAL DC2685B Figure 17 DC2683A Bottom Layer DC2683A MOTHER BOARD LAYOUT FILES...

Страница 17: ...17 Rev A DEMO MANUAL DC2685B Figure 18 DC2683A Bottom Silkscreen DC2683A MOTHER BOARD LAYOUT FILES...

Страница 18: ...S PCB DES APP ENG CUSTOMER NOTICE ADI HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIA...

Страница 19: ...ANCE THIS CIRCUIT IS PROPRIETARY TO ADI AND SCHEMATIC SUPPLIED FOR USE WITH ADI PARTS SCALE NONE www linear com www analog com TEL 408 432 1900 MILPITAS CA 95035 1630 McCARTHY BLVD 2 2 2 IEEE 802 3bt...

Страница 20: ...DI PARTS SCALE NONE www linear com www analog com TEL 408 432 1900 MILPITAS CA 95035 1630 McCARTHY BLVD 1 Tuesday March 06 2018 1 2 IEEE 802 3bt 4 PORT PSE MOTHERBOARD KIM T DILIAN R N A DEMO CIRCUIT...

Страница 21: ...R S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY...

Страница 22: ...disclose or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promp...

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