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400G QSFP-DD Passive Direct Attach Copper Cable DAC for FTTB/FTTX Network & Data Center Interconnect

400G QSFP-DD Passive Direct Attach Copper Cable DAC for FTTB/FTTX Network & Data Center Interconnect

400G QSFP-DD Passive Direct Attach Copper Cable DAC for FTTB/FTTX Network & Data Center Interconnect
400G QSFP-DD Passive Direct Attach Copper Cable DAC for FTTB/FTTX Network & Data Center Interconnect
Categories Direct Attach Cable
Connector Type: QSFP+ to QSFP+
Model Number: QSFP-DD-400G-D1M
Application: FTTH FTTB FTTX Network
Manufacturer: YES
MOQ: 1 piece
Packaging Details: 1 piece cable be packed into 1 box,
Power Supply: 3.3V
Supply Ability: 100,000 pcs per month
Wire AWG: AWG 30 as default
Payment Terms: T/T, , L/C
Length: 1~7M
Certification: CE, RoHS
Work Temp.: 0~70℃
Delivery Time: 2~3 days
Data Rate: 40Gb/s
Brand Name: NuFiber
Material: Copper Cable
Place of Origin: China
Warranty: 1Years
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Company Info.
Shenzhen Fivision Digital Technology Co.,Ltd
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400G QSFP-DD Passive Direct Attach Copper Cable DAC for FTTB/FTTX Network & Data Center Interconnect

00G QSFP-DD Passive Direct Attach Copper Cable (DAC) for Data Center Networking & High-Performance Computing
Description QSFP-DD (Quad Small Form-factor Pluggable Double Density) passive copper direct-attach cables provide a cost-efficient solution for establishing 400-Gigabit connections between QSFP-DD ports in data center environments. Designed exclusively for short-reach deployments, these cables offer high-density connectivity and exceptional performance within strict distance limits. Compliant with industry-standard protocols, they ensure seamless integration into high-speed networking infrastructures, ideal for space-constrained racks and low-latency applications.
Key Features
●Compliant with QSFP-DD MSA Specifications
●Full Compliance with IEEE 802.3cd (400GBASE-CR4/CR8) and InfiniBand HDR
●Total Bandwidth: 400 Gb/s (8x50Gbps PAM4 lanes)
●8 Independent Duplex Channels operating at 50Gbps (Supports Data Rates up to 100Gbps)
●100Ω Differential Impedance System
●Single 3.3V Power Supply, Ultra-Low Power Consumption: <3.5W
●Operating Temperature Range: -40°C to 85°C (Industrial Grade)
●All-Metal Housing with Enhanced EMI Shielding
●Advanced Signal Integrity Design with minimal pair-to-pair skew
●AC-Coupled LVDS Signals for Noise Immunity
●Integrated EEPROM for cable diagnostics & link management
●Cable AWG Range: 28 AWG to 24 AWG (Optimized for ≤3-meter performance)
●RoHS-Compliant Materials for environmental safety
Applications
●Data Centers: Server-to-Switch Links, Top-of-Rack (TOR) Connections
●High-Performance Computing (HPC): Intra-rack Cluster Networking
●Edge Computing: Ultra-Dense Switch Interconnects
●Telecommunications: Short-Haul Aggregation Layers
Industry Standards Compliance
●IEEE 802.3cd (400GBASE-CR4/CR8)
●InfiniBand HDR (High Data Rate)
●QSFP-DD Multi-Source Agreement (MSA)
Technical Parameters
Parameter
Symbol
Min
Max
Unit
Note
Storage Temperature
Tst
-40°C
125°C
–
Operating Case Temperature
Topc
-40°C
85°C
–
Industrial Grade
Supply Voltage
VCC3
3.135V
3.465V
V
Power Consumption
Pd
–
3.5W
W
Total Bandwidth
–
400 Gb/s
–
Gbps
8x50Gbps lanes
Insertion Loss
IL
–
2.0 dB
–
@ 50GHz Max
Return Loss
RL
–
-15 dB
–
@ 50GHz Min
Maximum Distance
Dmax
–
3 meters
m
Signal Integrity Guaranteed ≤3m
Mechanical Dimensions
●Connector Type: QSFP-DD to QSFP-DD
●Cable Diameter: ≤7.0mm
●Weight: ≤500g/m
Mating Cycles: ≥500 cycles
Ordering Information:
Part Number
Description
Length
MOQ (Min Order Qty)
QSFP-DD-400G-CU0.5M
400G QSFP-DD to QSFP-DD Passive DAC Cable, 0.5 meters
0.5 meters
1 unit
QSFP-DD-400G-CU1M
400G QSFP-DD to QSFP-DD Passive DAC Cable, 1 meter
1 meter
1 unit
QSFP-DD-400G-CU1.5M
400G QSFP-DD to QSFP-DD Passive DAC Cable, 1.5 meters
1.5 meters
1 unit
QSFP-DD-400G-CU2M
400G QSFP-DD to QSFP-DD Passive DAC Cable, 2 meters
2 meters
1 unit
QSFP-DD-400G-CU2.5M
400G QSFP-DD to QSFP-DD Passive DAC Cable, 2.5 meters
2.5 meters
1 unit
QSFP-DD-400G-CU3M
400G QSFP-DD to QSFP-DD Passive DAC Cable, 3 meters
3 meters
1 unit

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400G QSFP-DD Passive Direct Attach Copper Cable DAC for FTTB/FTTX Network & Data Center Interconnect

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