40G QSFP to 4x 10G SFP+ Passive Direct Copper Cables
QSFP-4SFP-40G-PCU1M (or xM)
Product Details:
Features
• Up to 10.5Gb/s data rate per channel
• Maximum aggregate data rate: 40 Gbps (4 x 10Gbps)
• Passive Copper (Paddle cards plus Copper cable) (Cable Length: 1~3m)
• 4-Channel Full Passive Copper Cable Transceiver
• QSFP+ conforms to the Small Form Factor SFF-8436 and SFF-8431
• Data rates backward compatible to 1Gbps
• Hot-Density QSFP 38-PIN footprint
• I/O Connector designed for high speed differential signal applications
• Improved Pluggable Form Factor(IPF) compliant for enhanced EMI/EMC performance
• Compatible with industry standard SFP cages +Switches
• EEPROM signature can be customized.
• Temperature Range: 0~ 70 °C
• RoHS-6 Compliant
Applications
General Product Characteristics
SFP+ DAC Specifications | |
Number of Lanes | Tx & Rx |
Channel Data Rate | 10.5Gb/s |
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+) 20 pins edge connector(SFP+) |
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 |
The connector is compatible with the SFF-8436 to SFF-8432 specification.
Mechanical Specifications
Product show:
Testing Show:
Ordering informations:
Length (m) | Cable AWG |
1 | 30 |
2 | 30 |
3 | 30/24 |