QSFP+ Passive DAC Cable
Volex’s QSFP+ passive direct attach copper cable is a cost-effective alternative to optical modules for short reach high-speed interconnects. The cable assembly consists of four lanes operating at data rates up to 14.0625Gb/s. Each assembly meets 40G Ethernet and InfiniBand Fourteen Data Rate (FDR) specifications, providing greater port bandwidth and density at reduced cost for high-speed networks.
Volex’s QSFP+ 40G/FDR cable assembly combines twinaxial shielded cable with robust die cast housing and actuating pull latch. The overmould technique used in fabrication for these cables provides additional strain relief and minimizes conductor pistoning. This cable assembly product is designed to meet the stringent data centre requirements with unparalleled performance and durability.
QSFP+ Passive DAC Cable Product Highlights
- Near zero power consumption and no heat generated
- Complete cable assembly uniquely terminated at the factory to provide the most reliable operation
- 100% tested for signal integrity with serial number traceability
SFP+ Passive DAC Cable Features and Specifications
- Near zero power consumption and no heat generated
- Complete cable assembly uniquely terminated at the factory to provide most reliable operation
- 100% tested for signal integrity with serial number traceability
QSFP+ Passive DAC Cable Features and Specifications
| Product Type | QSFP+ to QSFP+ passive direct attach copper cable |
| Conductor Treatment | Laser stripped conductors |
| Cable Type | High-speed twinax cable, 8-pair differential, 100 +/-5 ohms |
| Cable Colour | Black |
| Cable Jacket | PVC |
| Packaging | PE bag |
| Power Supply Voltage | 3.3V |
| Temperature Range | 0 – 70o C |
| Retention Force | Minimum 125N per SFF-8661 |
| Insertion Force | Maximum 60N per SFF-8661 |
| EEPROM | Each connector module contains an EEPROM to provide product information to the host system |
| Cable Termination | 100% factory tested including comprehensive signal integrity verification and serial number traceability using advanced Manufacturing Execution Systems |
| Volex reserves the right to change specifications and availability without prior notice. | |
QSFP+ Passive DAC Cable Applications
- Switches, Servers, Routers, Storage Arrays
- Networking Equipment
- Data Centres
- Telecom Central Offices (CO)
- Test and Measurement Equipment
Standards Compliance of QSFP+ Passive DAC Cable
- IEEE P802.3ba
- InfiniBand FDR
- SFF-8685, SFF-8661, SFF-8679, SFF-8636
- EIA-364
- UL 94, 1581, VW1, File No. E510564
- RoHS
QSFP+ Passive DAC Cable Mechanical Drawings
QSFP+ Passive DAC Cable Product Dimensions
| Volex P/N | Cable Length (m) |
Cable Gauge (AWG) | Cable OD (mm) |
| DA30PSG05BL | 0.50 | 30 | 6.6 |
| DA30PSG10BL | 1.00 | 30 | 6.6 |
| DA30PSG15BL | 1.50 | 30 | 6.6 |
| DA30PSG20BL | 2.00 | 30 | 6.6 |
| DA30PSG25BL | 2.50 | 30 | 6.6 |
| DA30PSG30BL | 3.00 | 30 | 6.6 |
| DA30PSG35BL | 3.50 | 30 | 6.6 |
| DA38PSG40BL | 4.00 | 28 | 7.5 |
| DA38PSG45BL | 4.50 | 28 | 7.5 |
| DA36PSG50BL | 5.00 | 26 | 8.8 |
0.5-5m lengths available with 26-30 AWG conductor sizes to achieve maximum performance. Options Available:
- Low Smoke, Zero Halogen (LSZH) jacket
- Custom colours for pull tab
- Custom EEPROM mapping
Contact Volex for QSFP+ Passive DAC Cable
Contact Volex for further assistance with external QSFP+ passive direct attach copper cable.
