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 Product >> Cisco >> ALL
 
Product_Id:
8414291416
ProductName:
QSFP-H40G-ACU7M
Specification:
Product Notes:
Product Category:
Cisco
 
   Product Description

Cisco QSFP-H40G-ACU7M Full English Product Description

Product Overview

Cisco QSFP-H40G-ACU7M is an original Cisco 40GBASE-CR4 QSFP+ to QSFP+ Active Direct Attach Twinax Copper Cable (Active DAC) with a fixed length of 7 meters. This fully integrated pre-terminated twinax copper assembly comes with built-in active signal conditioning circuits inside QSFP+ connectors on both cable ends. Compliant with QSFP+ MSA SFF-8436 and IEEE 802.3ba standards, it delivers reliable low-latency 40-Gigabit interconnection solutions for long-distance intra-rack and cross-rack point-to-point links in enterprise and cloud data centers, covering transmission distances beyond the reach of passive DAC cables.

Key Features

  1. 40 Gbps Full-Duplex Data Transmission
    Supports 40GBASE-CR4 Ethernet with four independent 10Gbps differential signal lanes, delivering stable bidirectional 40G throughput for leaf-spine network fabrics, switch-server interconnections and high-speed storage networking infrastructure.
  2. Active Signal Equalization Architecture
    Built-in signal amplification and equalization circuits compensate signal attenuation over long copper cable, guaranteeing excellent signal integrity without mandatory FEC configuration in most scenarios.
  3. Low Transmission Latency
    Electrical copper transmission achieves much lower latency compared with active optical cables, ideal for low-latency computing clusters, virtualization platforms and high-performance data center networks.
  4. Hot-Swappable QSFP+ Interface
    Standard hot-pluggable QSFP+ form factor allows technicians to install or remove the cable without powering down connected switches, routers and servers.
  5. Multi-Layer Fully Shielded Twinax Construction
    26 AWG shielded twinax cable provides superior suppression of EMI, RFI electromagnetic interference and near-end crosstalk, maintaining stable performance in densely cabled data center environments.
  6. Color-Coded Pull Tab Design
    Equipped with pull-tab latches for convenient insertion and extraction from QSFP+ ports on network hardware.

Technical Specifications

  • Part Number: QSFP-H40G-ACU7M
  • Cable Length: 7 m (22.97 ft)
  • Cable Type: Active Shielded Twinax Copper Assembly
  • Interface: QSFP+ to QSFP+
  • Data Rate: 40 Gbps (4 × 10 Gbps full-duplex)
  • Standards Compliance: SFF-8436, IEEE 802.3ba 40GBASE-CR4
  • Differential Impedance: 100 Ohm
  • Typical Power Consumption: ≤ 1.5 W
  • Commercial Operating Temperature: 0°C ~ 70°C
  • Storage Temperature: -40°C ~ 85°C
  • Outer Jacket: Black PVC
  • Environmental Compliance: RoHS-6 Lead-Free

Compatible Hardware

Cisco Catalyst 3850, 6800, 9300, 9400 Series Switches; Nexus 3000, 5000, 9300, 9500 Series Switches; UCS Unified Computing Servers and other network devices equipped with standard QSFP+ ports supporting 40G active DAC cables.

Application Scenarios

Designed for long-distance intra-rack and cross-rack interconnections in cloud data centers and enterprise computer rooms. Typical applications include switch stacking links, 40G switch-to-server connections, and long-reach Storage Area Network (SAN) links where passive copper cables cannot satisfy distance requirements.

Short Version (For Invoice / E-commerce Listing)

Cisco QSFP-H40G-ACU7M, 7M 40GBASE-CR4 Active QSFP+ Direct Attach Twinax Copper Cable, 40Gbps full-duplex transmission with built-in signal equalization, low latency, MSA compliant, original Cisco active DAC cable for long-range 40 Gigabit data center network interconnections.
Click:31 Entry Time:2026-08-04 【Print】 【Close

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