100% Original Hdmi 2.1 Cable - 25G SFP28 Direct Attach Cable (DAC) JHA-SFP28-25G-PCU – JHA

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100% Original Hdmi 2.1 Cable - 25G SFP28 Direct Attach Cable (DAC) JHA-SFP28-25G-PCU – JHA Detail:

General Description

SFP28 Direct Attach Cables are compliant with SFF-8432 and SFF-8402 specifications. Various choices of wire gauge are available from 30 to 26 AWG with various choices of cable length (up to 5m).

The SFP28 passive cable assemblies are high performance, cost effective I/O solutions for 25G Ethernet. SFP28 copper cables allow hardware manufactures to achieve high port density, configurability and utilization at a very low cost and reduced power budget.

Features

◊ Up to 25.78125 Gbps data rate

◊ Up to 5 meter transmission

◊ Hot-pluggable SFP 20PIN footprint

◊ Improved Pluggable Form Factor(IPF) compliant for enhanced EMI/EMC performance

◊ Compatible to SFP28 MSA

◊ Compatible to SFF-8402 and SFF-8432

◊ Temperature Range: 0~ 70 °C

◊ RoHS Compatible

Benefits

◊ Cost-effective copper solution

◊ Lowest total system power solution

◊ Lowest total system EMI solution

◊ Optimized design for Signal Integrity

Applications

◊ 25G Ethernet

High Speed Characteristics

Parameter

Symbol

Min

Typical

Max

Unit

Note

Differential Impedance

RIN,P-P

90

100

110

Ώ

 

Insertion loss

SDD21

8

 

22.48

dB

At 12.8906 GHz

Differential Return Loss

SDD11

 

12.45

  See 1

dB

At 0.05 to 4.1 GHz

SDD22

3.12

  See 2

dB

At 4.1 to 19 GHz

   

Common-mode to

SCC11

     

dB

 

common-mode

2

   

At 0.2 to 19 GHz

SCC22

   

output return loss

           
               

Differential to common-mode

SCD11

 

12

  See 3

dB

 

At 0.01 to 12.89 GHz

         

return loss

SCD22

10.58

  See 4  

At 12.89 to 19 GHz

     
                 
     

10

       

At 0.01 to 12.89 GHz

Differential to common Mode

SCD21-IL

      See 5

dB

 

At 12.89 to 15.7 GHz

Conversion Loss

   
     

6.3

       

At 15.7 to 19 GHz

Channel Operating Margin

COM

3

   

dB

 

Pin Descriptions

SFP28 Pin Function Definition

Pin

Logic

Symbol

Name/Description

Notes

1

 

VeeT

Transmitter Ground

 

2

LV-TTL-O

TX_Fault

N/A

1

3

LV-TTL-I

TX_DIS

Transmitter Disable

2

4

LV-TTL-I/O

SDA

Tow Wire Serial Data

 

5

LV-TTL-I

SCL

Tow Wire Serial Clock

 

6

 

MOD_DEF0

Module present, connect to VeeT

 

7

LV-TTL-I

RS0

N/A

1

8

LV-TTL-O

LOS

LOS of Signal

2

9

LV-TTL-I

RS1

N/A

1

10

 

VeeR

Reciever Ground

 

11

 

VeeR

Reciever Ground

 

12

CML-O

RD-

Reciever Data Inverted

 

13

CML-O

RD+

Reciever Data Non-Inverted

 

14

 

VeeR

Reciever Ground

 

15

 

VccR

Reciever Supply 3.3V

 

16

 

VccT

Transmitter Supply 3.3V

 

17

 

VeeT

Transmitter Ground

 
 

18

CML-I

TD+

 

Transmitter Data Non-Inverted

 
 

19

CML_I

TD-

 

Transmitter Data Inverted

 
 

20

 

VeeT

 

Transmitter Ground

 

1.

Signals not supported in SFP+ Copper pulled-downto VeeT with 30K ohms resistor  

2.

Passive cable assemblies do not support LOS and TX_DIS  

32

Mechanical Specifications

The connector is compatible with the SFF-8432 specification.

 54

Length (m) Cable AWG

1

30

2

30

3

30/26

4

26

5

26

Regulatory Compliance

Feature

Test Method Performance
Electrostatic Discharge (ESD) to the Electrical Pins  MIL-STD-883C Method 3015.7  Class 1(>2000 Volts)
Electromagnetic Interference(EMI) FCC Class B Compliant with Standards
CENELEC EN55022 Class B
CISPR22 ITE Class B
 RF Immunity(RFI)  IEC61000-4-3 Typically Show no Measurable Effect from a 10V/m Field Swept from 80 to 1000MHz
RoHS Compliance RoHS Directive 2011/65/EU and it’s Amendment Directives 6/6 RoHS 6/6 compliant

Product detail pictures:

100% Original Hdmi 2.1 Cable - 25G SFP28 Direct Attach Cable (DAC) JHA-SFP28-25G-PCU – JHA detail pictures

100% Original Hdmi 2.1 Cable - 25G SFP28 Direct Attach Cable (DAC) JHA-SFP28-25G-PCU – JHA detail pictures

100% Original Hdmi 2.1 Cable - 25G SFP28 Direct Attach Cable (DAC) JHA-SFP28-25G-PCU – JHA detail pictures


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5 Stars By Fernando from Nepal - 2017.06.16 18:23
We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
5 Stars By Deborah from Brasilia - 2017.05.02 18:28
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