• Cisco Compatible QSFP-100G-SR4-S-BCC 100G Multi-Mode Transceiver
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Blue Cable Co

QSFP-100G-SR4-S-BCC | Cisco Compatible 100GB Multi-Mode 100m (100GBASE-SR4)

QSFP-100G-SR4-S-BCC

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Description

The QSFP-100G-SR4-S-BCC is a drop-in compatible replacement for the Cisco QSFP-100G-SR4-S. This QSFP28 transceiver delivers plug-and-play 100 Gigabit Ethernet connectivity in Cisco switches and routers with QSFP28 ports. - IEEE 802.3bm 100GBASE-SR4 compliance guarantees interoperability with any standard 100GBASE-SR4 host equipment - QSFP28 form factor with four parallel 25 Gbps lanes over multi-mode fiber using MPO-12 connector - 850nm VCSEL transmitter supporting 70m over OM3 and 100m over OM4 fiber - Digital Diagnostic Monitoring (DOM) provides real-time access to temperature, voltage, bias current, and optical power levels - Hot-swappable design with QSFP28 MSA (SFF-8665) and SFF-8636 compliance for seamless integration - Supports 4x25G breakout mode for flexible deployment with SFP28 endpoints

Features

• Four independent 25 Gbps NRZ lanes comply with IEEE 802.3bm electrical interface, enabling full 100 Gbps aggregate throughput without requiring forward error correction for 100GBASE-SR4 operation
• VCSEL transmitter array at 850nm wavelength optimized for laser-optimized multimode fiber, delivering specified reach on OM3 (70m) and OM4 (100m) with sufficient power budget margin
• QSFP28 MSA (SFF-8665) compliance ensures mechanical and electrical compatibility with standard host cages, supporting module management via I2C interface per SFF-8636 specification
• Integrated digital diagnostics expose per-lane optical power, bias current, module temperature, and supply voltage, enabling proactive link monitoring and troubleshooting without external test equipment
• 12-fiber MPO multifiber parallel optics architecture uses ribbon cable with MPO connector, matching Cisco datasheet specification for parallel fiber topology
• Hot-pluggable operation allows field insertion and removal without powering down the host platform, supporting maintenance windows and incremental upgrades
• Supports 4x 25GBASE-SR breakout configuration via MPO-to-4xLC duplex breakout cables, enabling connectivity to SFP28 endpoints while preserving backward compatibility with existing 25G infrastructure

Warranty

5-Year Advanced Warranty on All Blue Cable Co® Products

Blue Cable Co® offers a comprehensive 5-Year Advanced Warranty on all our branded products. Our advanced warranty ensures fast, hassle-free replacements to keep your network running smoothly. If a fault occurs, we’ll deliver a replacement part before you return the faulty item—minimising downtime and giving you complete peace of mind.

Choose Blue Cable Co® for reliable, high-quality network components backed by industry-leading warranty support.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

Also Known As

FAQs

Compatible SFP Selector

Technical Specifications

Brand: Blue Cable Co
BCC SKU: QSFP-100G-SR4-S-BCC
Compatible Replacement For: QSFP-100G-SR4-S
Compatibility: Cisco compatible
Lab Testing: Tested in Sydney, Australia
Warranty: 5-year advanced hardware replacement (Blue Cable Co)
Form Factor: QSFP28
Data Rate: 100 Gbps (4x 25 Gbps lanes)
Wavelength: 850nm (840nm-860nm range)
Fibre Type: Multi-Mode (OM3/OM4)
Connector Type: MPO-12 (MTP)
DOM Support: Yes (digital diagnostic monitoring)
Standards: IEEE 802.3bm 100GBASE-SR4, QSFP28 MSA SFF-8665, SFF-8636, CAUI-4
Max Reach: 70m over OM3, 100m over OM4 (per IEEE 802.3bm, subject to fibre and link conditions)
Transmitter Type: VCSEL array
Receiver Type: PIN photodetector array
Operating Temperature: 0°C to 70°C
Power Consumption: Maximum 3.5W

Also Known As

QSFP-100G-SR4-S=

FAQs

Q: Will this work in place of the Cisco QSFP-100G-SR4-S?
A: Yes. This module is designed as a plug-and-play drop-in replacement for the Cisco QSFP-100G-SR4-S. It matches the reference SKU specifications including QSFP28 form factor, 100GBASE-SR4 data rate per IEEE 802.3bm, 850nm wavelength, and MPO-12 connector. The module is coded for Cisco compatibility and will initialize correctly in any QSFP28 port that supports the original Cisco transceiver.

Q: Which Cisco platforms support this transceiver?
A: This module works in Cisco switches and routers with QSFP28 100G ports. Cisco publishes a 100 Gigabit Ethernet Transceiver Modules Compatibility Matrix listing supported platforms for the QSFP-100G-SR4-S reference SKU. Any platform listed in that matrix for 100GBASE-SR4 operation will support this compatible module. Verify your specific platform model and software version against Cisco documentation to confirm QSFP28 port support.

Q: What fibre type and grade are required for 100m reach?
A: IEEE 802.3bm specifies OM4 multimode fiber for 100m reach at 100GBASE-SR4. OM3 fiber supports 70m. The 850nm VCSEL array transmits over four parallel fibers using an MPO-12 ribbon cable. Each lane operates at 25 Gbps. OM4 fiber has a minimum modal bandwidth of 4700 MHz·km at 850nm, which is required to support the full 100m link budget. Using lower-grade fiber or exceeding the specified distance will reduce link margin and may cause bit errors.

Q: Can I mix this module with other 100G SR4 transceivers from different vendors?
A: Yes, if both transceivers comply with IEEE 802.3bm 100GBASE-SR4. The standard defines the optical and electrical specifications to ensure interoperability between compliant devices regardless of manufacturer. Both ends must use the same fiber type and meet the reach limits (70m OM3 or 100m OM4). DOM thresholds and alarm reporting may differ between vendors, but the optical link layer will interoperate as long as both modules conform to the IEEE specification.

Q: Does this transceiver require host-side FEC to be enabled?
A: No. The IEEE 802.3bm 100GBASE-SR4 specification does not require forward error correction (FEC) for multimode fiber links within the 70m (OM3) or 100m (OM4) distance limits. The VCSEL transmitter and PIN receiver array are designed to operate with sufficient link budget and dispersion tolerance to meet bit error rate targets without FEC. Some host platforms may enable FEC by default for other optic types, but it is not necessary for SR4 operation and can typically be disabled via CLI if needed.

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100% compatible with equipment from major vendors

Coded and tested in our state of the art lab in Sydney

Cisco sfp-10g-sr transceiver module with metallic housing and a white label displaying serial number, model details, and regulatory markings.
Silver-colored sfp-10g-sr-bcc transceiver module with a white label featuring blue and black text, designed for 850nm wavelength optical communication.
Blue Cable Co
Cisco

Tested on real vendor hardware in Sydney

Every Blue Cable Co transceiver is coded for your platform and tested in our Sydney test rack on real vendor switches and firewalls before it ships. We check it is recognised and links up the same way the OEM optic does, so you don't find an "unsupported transceiver" error after it's installed.

Brands tested: Cisco, Meraki, Arista, Aruba, HPE, Juniper, Dell, Fortinet, Palo Alto, Check Point, Sophos, Moxa and NVIDIA. Speeds up to 100Gb.

  • 5 year replacement warranty
  • Sydney stock
  • Re-coding if you need it

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