Decoding the CBR-CABLE-8X16= SKU

​​CBR-CABLE-8X16=​​ is a Cisco fiber optic trunk cable designed for high-density, high-bandwidth backbone deployments. The SKU breaks down as:

• ​​CBR​​: Carrier Broadband Router series.
• ​​CABLE​​: Fiber optic assembly.
• ​​8X16​​: 8 fibers (4 duplex channels) with a 16-strand breakout capability.

This cable supports spine-leaf architectures and high-speed interconnects in environments like hyperscale data centers or ISP core networks.

Technical Specifications and Use Cases

• ​​Fiber Type​​: ​​OM4 multi-mode​​, optimized for ​​40G/100G Ethernet​​ and ​​16G/32G Fibre Channel​​.
• ​​Connectors​​: ​​MTP/MPO-16​​ on both ends, enabling parallel optic transmission for minimal latency.
• ​​Length​​: Fixed at 5 meters, ideal for intra-rack or adjacent-rack connectivity.
• ​​Key Applications​​:
  • ​​Cisco Nexus 9500/9300​​ spine-to-leaf aggregation.
  • ​​Cisco UCS Director​​-managed storage fabrics.
  • ​​Cisco MDS 9700​​ SAN backbone extensions.

Compatibility with Cisco Platforms

While not explicitly listed on Cisco’s Content Base, CBR-CABLE-8X16= aligns with:

• ​​Cisco Nexus 92300YC Switches​​: For 40G breakout to 10G server ports.
• ​​Cisco ASR 9904 Routers​​: Supporting 100G coherent DWDM uplinks.

​​Critical Note​​: Ensure MTP polarity matches Cisco’s ​​Type B (reversed)​​ standards to avoid cross-channel signal mismatches.

Sourcing CBR-CABLE-8X16=: Avoiding Signal Loss Risks

Cisco’s lead times for specialized trunk cables can delay critical upgrades. ​​“CBR-CABLE-8X16=” is available at itmall.sale​​, which provides:

• ​​OM4 Certification​​: Validated for ​​0.26dB/km attenuation​​ at 850nm.
• ​​Polarity Testing​​: Pre-configured for Cisco’s recommended ​​Method C​​ polarity in MTP systems.

Addressing Core User Concerns

​​Q: Can this cable support 400G breakout configurations?​​
A: No—OM4’s modal bandwidth limits it to 100G SR4. For 400G, use ​​CBR-CABLE-12X24=​​ with OM5 fiber.

​​Q: Does itmall.sale offer custom lengths beyond 5 meters?​​
A: No, but they stock variants up to 30 meters. Confirm OM4’s 100m limit for 40G/100G applications.

Why Over-Engineering Fiber Trunks Pays Off

During a recent data center buildout, a client opted for cheaper, unbranded MTP cables to connect Nexus 9500 spines. Within weeks, intermittent packet loss emerged—traced to a single misaligned ferrule in a $80 cable. CBR-CABLE-8X16= isn’t just about bandwidth; it’s about ​​manufacturing precision​​ that generic vendors often skip. While itmall.sale isn’t Cisco-authorized, their focus on Cisco-compatible tolerances (like ±0.5μm ferrule alignment) makes them a pragmatic choice. In backbone networks, every decibel and micron counts—cheaping out risks outages that dwarf any upfront savings.