Wholesale Price China Aoc Cable - 25G SFP28 Direct Attach Cable (DAC) JHA-SFP28-25G-PCU – JHA
Wholesale Price China Aoc 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 |
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 |
Product detail pictures:
Related Product Guide:
High quality Very first,and Consumer Supreme is our guideline to offer beneficial service to our consumers.At present, we're attempting our great to be among professional exporters in our area to fulfill buyers far more need to have for Wholesale Price China Aoc Cable - 25G SFP28 Direct Attach Cable (DAC) JHA-SFP28-25G-PCU – JHA , The product will supply to all over the world, such as: Roman, Montreal, Seattle, We solution have passed through the national skilled certification and been well received in our key industry. Our specialist engineering team will often be ready to serve you for consultation and feedback. We've been able to also provide you with no cost samples to meet your needs. efforts are going to be produced to supply you the very whole heartedly service and solutions. For anyone who is considering our business and solutions, please speak to us by sending us emails or get in touch with us right away. As a way to know our items and enterprise. lot more, you'll be able to come to our factory to find out it. We'll constantly welcome guests from around the globe to our firm. o build enterprise. elations with us. You should really feel absolutely free to make contact with us for small business and we believe we'll share great trading practical experience with all our merchants.
By Eleanore from Orlando - 2018.06.05 13:10
The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.
By Sharon from Botswana - 2017.06.29 18:55