SFP28 DAC Cable , 3M 25G Copper Twinax Cables Cisco Compatible

Basic Information
Place of Origin: China
Brand Name: OLKOPTO
Certification: CE, RoHS, FCC, FDA, UL, EMC, ISO9001
Model Number: OLSP02XC-CNM3
Minimum Order Quantity: 1 pc
Price: negotiable
Packaging Details: 1pc/foil bag
Delivery Time: 3-6 working days
Payment Terms: T/T
Supply Ability: 80-120k per month
Cisco Part Number: SFP-H25G-CU3M Form Type: SFP28 To SFP28
Data Rate: 25G Wire AWG: 30AWG
Jacket Material: PVC Temperature Range: 0~ 70 °C
High Light:

Copper Twinax Cables


25G Copper Twinax Cables


3M Copper Twinax Cables

SFP28 DAC Cable Copper 25G Twinax Cables 3M Cisco Compatible


Cisco Compatible SFP-H25G-CU3M 25G SFP28 Passive Direct Attach Copper Twinax Cable 3M


Olinkcom's 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


High Speed Characteristics

Parameter Symbol Min Typ Max Units Notes  
Differential Impedance RIN,P-P 90 100 110 Ω    
Insertion loss SDD21 8   22.48 dB At 12.8906 GHz  


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


output return loss










At 0.2 to 19 GHz


Differential to common-mode

return loss

SCD11 12   See 3





At 0.01 to 12.89 GHz  
SCD22 10.58   See 4 At 12.89 to 19 GHz  


Differential to common Mode

Conversion Loss




10       At 0.01 to 12.89 GHz  
    See 5 dB At 12.89 to 15.7 GHz  
6.3       At 15.7 to 19 GHz  
Channel Operating Margin COM 3     dB    





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


RF Immunity(RFI)



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


Pin Function Definition

Pin Logic Symbol Description
1   VeeT Module Transmitter Ground
2 LVTTL-O Tx_Fault Module Transmitter Fault
3 LVTTL-I Tx_Disable Transmitter disable; Turns off transmitter laser output
4 LVTTL-I/O SDA 2-wire Serial Interface Data Line (Same as MOD-DEF2 in INF-8074i)
5 LVTTL-I/O SCL 2-wire Serial Interface Clock (Same as MOD-DEF1 in INF-8074i)
6   Mod_ABS Module Absent, connected to VeeT or VeeR in the module
7 LVTTL-I RS0 Rate Select 0, optionally controls SFP+ module receiver
8 LVTTL-O Rx_LOS Receiver Loss of Signal Indication (In FC designated as Rx_LOS and in Ethernet designated as Signal Detect)
9 LVTTL-I RS1 Rate Select 1, optionally controls SFP+ module transmitter
10   VeeR Module Receiver Ground
11   VeeR Module Receiver Ground
12 CML-O RD- Receiver Inverted Data Output
13 CML-O RD+ Receiver Non-Inverted Data Output
14   VeeR Module Receiver Ground
15   VccR Module Receiver 3.3 V Supply
16   VccT Module Transmitter 3.3 V Supply
17   VeeT Module Transmitter Ground
18 CML-I TD+ Transmitter Non-Inverted Data Input
19 CML-I TD- Transmitter Inverted Data Input
20   VeeT Module Transmitter Ground


Mechanical Specifications

The connector is compatible with the SFF-8432 specification.

SFP28 DAC Cable , 3M 25G Copper Twinax Cables Cisco Compatible 0


Ordering Information


Part Number Description
OLSP02XC-CDM3 SFP28, up to 25.781 Gb/s,Copper Cable, 0~70℃, 3M

Contact Details

Phone Number : 008618695187695

WhatsApp : +8618695187695