SFP28 100g Passive Direct Attached Copper Twinax Dac Cable

• Application: Local Communication Cable
• Conductor Material: Copper
• Cover Material: PVC
• Material Shape: Round Wire
• Conductor Type: Stranded
• Certification: CE, RoHS, CCC, UL
• Model NO.: QSFP28-100G-CU1M
• Brand: Kolorapus
• Length: Optional
• Customization: Support
• Transport Package: Carton
• Trademark: Kolorapus
• Origin: China
• HS Code: 741300000

Product Description

Product Description

General  Description

QSFP28 passive copper cable assembly feature eight differential copper pairs,providing four data transmission channels at speeds up to 28Gbps per channel,and meets 100G Ethernet,25G Ethernet and InfiniBand Enhanced Data Rate(EDR) requirements.Available in a broad rang of wire gages-from 26AWG through 30AWG-this 100G copper cable assembly features low insertion loss and low cross talk.
Designed for applications in the data center,networking and telecommunications markets that require a high speed,reliable cable assembly,this next generation product shares the same mating interface with QSFP+ form factor ,making it backward compatible with existing QSFP ports.QSFP28 can be used with current 10G and 14G applications with substantial signal integrity margin.

Features  and Benefits

1. Compatible with IEEE 802.3bj and InfiniBand EDR
2. In accordance with the paging function in the protocol SFF-8636, paging can be selected 00H or 02H in 127 bytes
3. Supports aggregate data rates of 100Gbps
4. Optimized construction to minimize insertion loss and cross talk
5. Backward compatible with existing QSFP+ connectors and cages
6. Pull-to-release slide latch design
7. 26AWG through 30AWG cable
8. Straight and break out assembly configurations available
9. Customized cable braid termination limits EMI radiation  
10. Customizable EEPROM mapping for cable signature
11. RoHS compliant

Product   Applications

1. Switches,servers and routers
2. Data Center networks
3. Storage area networks
4. High performance computing
5. Telecommunication and wireless infrastructure
6. Medical diagnostics and networking
7. Test and measurement equipment

Industry  Standards

1. 100G Ethernet(IEEE 802.3bj)
2. InfiniBand EDR
3. SFF-8665   QSFP+  28G  4X Pluggable  Transceiver  Solution(QSFP28)

Technical  Documents

1. 108-32081 QSFP28  Copper  Module  Direct  Attach  Cable  Assembly

Product Parameters

High Speed Characteristics

Parameter	Symbol	Min	Typical	Max	Unit	Note
Differential Impedance	TDR	90	100	110	Ω
Insertion loss	SDD21	-22.48			dB	At 12.8906 GHz
Differential Return Loss	SDD11 SDD22			See 1	dB	At 0.05 to 4.1 GHz
				See 2	dB	At 4.1 to 19 GHz
Common-mode to common-mode output return loss	SCC11 SCC22			-2	dB	At 0.2 to 19 GHz
Differential to common-mode return loss	SCD11 SCD22			See 3	dB	At 0.01 to 12.89 GHz
				See 4		At 12.89 to 19 GHz
Differential to common Mode Conversion Loss	SCD21-IL			-10	dB	At 0.01 to 12.89 GHz
				See 5		At 12.89 to 15.7 GHz
				-6.3		At 15.7 to 19 GHz
Notes: Reflection Coefficient given by equation SDD11(dB) < -16.5 + 2 × SQRT(f ), with f in GHz Reflection Coefficient given by equation SDD11(dB) < -10.66 + 14 × log10(f/5.5), with f in GHz Reflection Coefficient given by equation SCD11(dB) < -22 + (20/25.78)*f, with f in GHz Reflection Coefficient given by equation SCD11(dB) < -15 + (6/25.78)*f, with f in GHz Reflection Coefficient given by equation SCD21(dB) < -27 + (29/22)*f, with f in GHz

Pin Descriptions

QSFP28 Pin Function Definition

Pin	Logic	Symbol	Description
1		GND	Ground
2	CML-I	Tx2n	Transmitter Inverted Data Input
3	CML-I	Tx2p	Transmitter Non-Inverted Data Input
4		GND	Ground
5	CML-I	Tx4n	Transmitter Inverted Data Input
6	CML-I	Tx4p	Transmitter Non-Inverted Data Input
7		GND	Ground
8	LVTTL-I	ModSelL	Module Select
9	LVTTL-I	ResetL	Module Reset
10		Vcc Rx	+3.3V Power Supply Receiver
11	LVCMOS-	SCL	2-wire serial interface clock
	I/O
12	LVCMOS-	SDA	2-wire serial interface data
	I/O
13		GND	Ground
14	CML-O	Rx3p	Receiver Non-Inverted Data Output
15	CML-O	Rx3n	Receiver Inverted Data Output
16		GND	Ground
17	CML-O	Rx1p	Receiver Non-Inverted Data Output
18	CML-O	Rx1n	Receiver Inverted Data Output

19		GND	Ground
20		GND	Ground
21	CML-O	Rx2n	Receiver Inverted Data Output
22	CML-O	Rx2p	Receiver Non-Inverted Data Output
23		GND	Ground
24	CML-O	Rx4n	Receiver Inverted Data Output
25	CML-O	Rx4p	Receiver Non-Inverted Data Output
26		GND	Ground
27	LVTTL-O	ModPrsL	Module Present
28	LVTTL-O	IntL	Interrupt
29		Vcc Tx	+3.3V Power supply transmitter
30		Vcc1	+3.3V Power supply
31	LVTTL-I	LPMode	Low Power Mode
32		GND	Ground
33	CML-I	Tx3p	Transmitter Non-Inverted Data Input
34	CML-I	Tx3n	Transmitter Inverted Data Input
35		GND	Ground
36	CML-I	Tx1p	Transmitter Non-Inverted Data Input
37	CML-I	Tx1n	Transmitter Inverted Data Input
38		GND	Ground

Functions realized by MCU
The paging storage function is realized through the MCU. According to the specification of the SFF-8636 protocol, the paging selection function is 127 bytes, and the selectable pages are 00H and 02H. As shown below:

Length (m)	Cable AWG
1	30
2	30
3	26/30
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 (EU) 2015/863	RoHS (EU)2015/863 compliant
REACH Compliance	REACH  Regulation (EC) No 1907/2006	REACH (EC) No 1907/2006 compliant

 

 

Factory picture

 

Certifications

 

Company Profile

Kolorapus is a factory direct supplier specializing in the research and development of wires and cables and supporting equipment. Cables, flexible towline cables, elevator flat cables, various special cables and related accessories, such as modules, panels, distribution frames, jumpers, pigtails, couplers, photoelectric converters, cabinets, bridges, etc., products It has passed CCC, ROHS, CE and other certifications, and provided a tripartite test report issued by the national authoritative testing and certification center. The product performance fully complies with domestic and foreign and industry-related standards.

The company's management system has passed GB/T19001-2016/ISO9001:2015 quality management system certification, GB/T24001-2016/ISO14001:2015 environmental management system certification and GB/T45001-2020/ISO45001:2018 occupational health and safety management system certification. 

Our Advantages

1. With more than 20 years of industry experience,is professional in this domain.
2. The product category is complete,can meet the different needs of different customers.
3. The price is competitive in the market,can help customers save a lot of cost.
4. The quality is good, and the production process is strictly controlled.
5. Customer first, constant pursuit of innovation and excellence
6. Has a strong production capacity,is able to meet the large supply demand.
7. Have a good pre-sales and after-sales service to give customers a good shopping experience.

FAQ

1. What Kind Of Services Can We Enjoy Buy From Kolorapus.Co.Ltd.?
Arrange the shipping and delivery asap.
Inspect the quality carefully of your goods.
Good packaged avoid the damage of goods during shipping.
Make documents for you to do custom clearance,packing list and commercial invoice

2. Can We Get The Sample Order?
We welcome sample test and quality check.
Some products that are relatively small in size can be sent by express.
We need to charge the double sample fee, and don't worry the sample fee will refund you in your next further bulk order.

3. How Can You Guarantee The Quality Of The Products?
We have always placed great emphasis on quality control to make sure that excellent quality level is maintained.furthermore, every order will be checked out to guarantee the quantity and quality.

4. Which Logistics You Sent And How Long Can We Get The Goods?
It's up to your order quantities,we accept sea transportation and air transportation.

5. What Kinds Of Certificates Do You Have?
We have passed the inspection of GB,CE,UL,ROHS,3C etc,and Comprehensively guarantee the quality of the products.

6. Which Payment Method Do You Accept?
We accept T/T,Paypal and so on, any one method that we can negociate.