25G SFP28 DAC

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).
Chat Now

Product Details

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 cast and reduced power budget.

Features

Up to 25.88243 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

Advantage

Cost-effective copper solution

Lowest total system power solution

Lowest total system EMI solution

Optimized design for Signal Integrity

Applications

25G Ethernet

image001


image003

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

Mechanical Specifications

The connector is compatible with the SFF-8432 specification.

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


1 . How about the price?Can you make it cheaper?

The price depends on the item your demand(quantity)

2.How can I communication with you more easier

WeChat : soptic

Skype/Email : sales@sopticom.com

Mobile : 0086-18681565857

Beat quotation after receiving full description of the item you want.

Hot Tags: 25g SFP28 DAC, China, manufacturers, factory, discount, low price

Inquiry

You Might Also Like