SFP28 DAC Cable Copper 25G Twinax Cables 3M Cisco Compatible
Brand Name:OLKOPTO
Certification:CE, RoHS, FCC, FDA, UL, EMC, ISO9001
Model Number:OLSP02XC-CNM3
Minimum Order Quantity:1 pc
Delivery Time:3-6 working days
Payment Terms:T/T
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Shenzhen China
Address:
4/F, No.2 Building, Delux Science and Technology City, GuanLan Hi-tech park, No.5 Guanyi Road, Longhua District, Shenzhen, China
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Product Details
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 | ||
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 common-mode output return loss | SCC11 | 2 | dB | At 0.2 to 19 GHz | |||
| SCC22 | |||||||
Differential to common-mode return loss | SCD11 | 12 | See 3 | dB | At 0.01 to 12.89 GHz | ||
| SCD22 | 10.58 | See 4 | At 12.89 to 19 GHz | ||||
Differential to common Mode Conversion Loss | SCD21-IL | 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 |
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
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 |
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.
Ordering Information
| Part Number | Description |
| OLSP02XC-CDM3 | SFP28, up to 25.781 Gb/s,Copper Cable, 0~70℃, 3M |
SFP28 DAC Cable Copper 25G Twinax Cables 3M Cisco Compatible
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