Name: (NEW) Cisco QSFP-40/100-SRBD 40/100GBASE-SR BiDI QSFP+ QSFP28 Optics Transceiver Module
Brand: Cisco
SKU: 6a0a916c4d018c542234dbc5
Price: 1980.0 HKD
Availability: InStock

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(NEW) Cisco QSFP-40/100-SRBD 40/100GBASE-SR BiDI QSFP+ QSFP28 Optics Transceiver Module

100G and 40GBASE SR-BiDi QSFP Transceiver, LC, 100m OM4 MMF

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HK$1,980.00

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Description

Cisco QSFP-40/100-SRBD Dual-Rate 40G/100G BiDi Transceiver Module

The Cisco QSFP-40/100-SRBD is a cutting-edge, dual-rate Quad Small Form-Factor Pluggable (QSFP28) optical transceiver designed for high-density data centers and enterprise core networks. It offers unique flexibility by supporting both 40 Gigabit Ethernet (40G) and 100 Gigabit Ethernet (100G) data rates over a single module.

The standout feature of this transceiver is its Bi-Directional (BiDi) optical technology. By transmitting and receiving simultaneously on both strands of a standard duplex LC multimode fiber (MMF) patch cable, it allows data center operators to upgrade their infrastructure from 10G or 40G to 100G speeds without the massive capital expense of tearing out existing duplex LC fiber to lay down parallel MPO/MTP cabling.

Key Features

Dual-Rate Versatility: Operates in either 40G or 100G modes, enabling smooth, incremental network speed upgrades.
Bi-Directional WDM Technology: Uses two distinct wavelengths (855 nm and 908 nm) on each fiber strand to split Tx and Rx paths over standard duplex LC patches.
Massive Cost Savings: Reuses standard 10G duplex multimode fiber patches, bypassing the need for 12-fiber MPO parallel cabling typical of alternative 40G/100G SR4 modules.
Advanced Modulation: Employs PAM4 (Pulse Amplitude Modulation 4-level) technology in 100G mode to deliver higher data rates over standard baud frequencies.
Onboard FEC & Gearbox: Features internal forward error correction (FEC) and an electronic gearbox to cleanly convert native 4x25G host electrical signals into 2x50G optical signals.

Transmission Distances

The maximum reachable link distance scales according to the fiber type and operational mode:

Speed Mode	OM3 Multimode Fiber	OM4 Multimode Fiber	OM5 Multimode Fiber
40G Mode	100 meters	150 meters	150 meters
100G Mode	70 meters	100 meters	150 meters

Applications

Upgrading high-density core switch interconnects from 10G/40G to 100G.
Optimizing spine-leaf data center architectures without altering existing fiber trays.
Low-latency, high-bandwidth connections for High-Performance Computing (HPC) clusters.

Technical Specifications

Parameter	Specification
Product Part Number	QSFP-40/100-SRBD (or QSFP-40/100-SRBD=)
Form Factor	QSFP28 / QSFP+
Connector Type	Duplex LC
Wavelengths	Dual Wavelength: 855 nm and 908 nm
Media Type	Multimode Fiber (MMF)
Max Power Consumption	3.5 W
Pull Tab Color	Gray
Operating Temperature	100G Mode: 10°C to 60°C (50°F to 140°F) 40G Mode: 10°C to 70°C (50°F to 158°F)
Compliance	QSFP28 MSA, SFF-8665, SFF-8636, IEEE 802.3bm