DAC-40G-3M 40G DAC Cable
Direct Attach Cable
40G QSFP+ Direct Attach Cable, DAC 1-7m
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DAC-40G-xM
40G QSFP+ Direct Attach Cable, DAC 1-7m
Features
- Up to 10.3125Gbps data rate per channel
- Up to 7m transmission
- Single +3.3V power supply
- RoHS Compliant
- Operating temperature 0°C to +70°C
Application
- 40G Ethernet
Standard
- Compliant with SFF- 8436, SFF-8431, SFF-8432 and SFF-8472
General Product Characteristics
| QSFP+ DAC Specifications | |
| Number of Lanes | Tx & Rx |
| Channel Data Rate | 10.3125 Gbps |
| Operating Temperature | 0 to + 70°C |
| Storage Temperature | -40 to + 85°C |
| Supply Voltage | 3.3 V nominal |
| Electrical Interface | 38 pins edge connector(QSFP+) |
| Management Interface | Serial, I2C |
High Speed Characteristics
| Parameter | Symbol | Min | Typ | Max | Units | Notes |
| Differential Impedance | Zd | 90 | 100 | 110 | Ω | |
| Differential Input Return Loss | SDDXX | <-12+2* SQRT (f) with f in GHz | dB | 0.01~4.1GHz | ||
| <-6.3+13*
Log10/(f/5.5) with f in GHz |
dB | 4.1~11.1GHz | ||||
| Common Mode Output Return Loss | SCCXX | < -7+1.6*f with f in GHz | dB | 0.01~2.5GHz | ||
| -3 | dB | 2.5~11.1GHz | ||||
| Difference Waveform Distortion Penalty | dWDPc | 6.75 | dB | |||
| VMA Loss | L | 4.4 | dB | |||
| VMA Loss to Crosstalk Ratio | VCR | 32.5 | dB | |||
Ordering information
| Model No. | Product Description |
| DAC-40G-xM | 40G QSFP+ to QSFP+ Direct Attach Cable DAC 1-7m |
| x: 1,2,3,5,7 meters | |
