Cisco QSFP-200G-DR4-S Full Official Product Description
1. Part Number & Naming Definition
Official Full Name
Cisco 200GBASE-DR4 QSFP56 Parallel Single-Mode Optical Transceiver Module with Digital Diagnostic Monitoring Support
SKU:QSFP-200G-DR4-S
Naming Breakdown
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QSFP56: Quad Small Form-factor Pluggable 56 hot‑swappable transceiver compliant with QSFP56 MSA & CMIS standard
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200G: Aggregate 212.5 Gbps bandwidth (4 × 53.125 GBd PAM4 electrical lanes, 200 Gigabit Ethernet payload)
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DR4: 4-lane Direct Reach parallel single-mode optical standard defined under IEEE 802.3bs Clause 121
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S: Commercial temperature grade variant (0°C ~ +70°C operating range)
Core Architecture:
Four independent 53.125 GBd PAM4 optical channels operating at nominal 1310 nm wavelength. Parallel optics design utilizes 4 transmit and 4 receive single-mode fiber strands over one MTP/MPO‑12 APC multifiber connector. Uncooled DML transmitters and PIN receiver arrays.
Mandatory Condition: Requires host-side RS‑FEC to achieve full rated transmission distance.
Breakout Support: Supports port breakout into4 × 50GBASEwhen paired with MPO‑12 APC to 4×LC APC fanout cables; native aggregated 200G operation is also available.
Core Product Positioning
The Cisco QSFP-200G-DR4-S is a commercial-grade hot‑swappable QSFP56 parallel single-mode optical transceiver optimized for short-medium reach 200 Gigabit Ethernet interconnections inside cloud, AI and enterprise data centers. It delivers cost-effective parallel SMF connectivity for leaf-spine fabric, GPU cluster interlinks and data center pod aggregation, offering flexible native 200G or 4×50G breakout deployment models. Integrated digital diagnostics enable continuous real-time monitoring of optical operating parameters to simplify routine maintenance and accelerate fault troubleshooting.
2. Hardware & Software Compatibility
Supported Host Platforms
Cisco Nexus 9000 Series Switches; Catalyst 9000 Series high-density switches; ASR 1000 Series Routers; UCS servers and other hardware platforms equipped with QSFP56 ports supporting 200 Gigabit Ethernet.
Verify Cisco official transceiver compatibility matrix and minimum required firmware release prior to deployment.
Supported Operating Systems
NX-OS, IOS-XE releases supporting QSFP56 MSA, CMIS and digital diagnostic interfaces.
Supported Fiber Media
Single‑Mode Fiber (SMF) G.652 (OS2, 9/125μm) only; incompatible with multi-mode fiber.
Connector Type
MTP/MPO‑12 APC multifiber optical connector
Important: APC-terminated trunk cables and fanouts are mandatory; PC-type MPO connectors are not supported.
3. Physical & Optical Performance Specifications
Form Factor
Hot‑swappable QSFP56, compliant with SFF QSFP56 MSA and CMIS Rev4.0
Optical Interface
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Nominal Operating Wavelength: 1304 nm to 1317 nm
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Electrical Interface: 200GAUI‑4, 4 × 53.125 GBd PAM4
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Modulation Scheme: PAM4
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Transmitter: Uncooled DML array; Receiver: PIN photodiode array
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Mandatory Function: Host RS‑FEC activation
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Operating Modes: Native 200GBASE or breakout to 4 × 50GBASE Ethernet
Maximum Transmission Distance
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Up to500 metersover standard G.652 OS2 single-mode fiber (RS‑FEC enabled)
Optical Power Budget
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Average Transmit Optical Power: −7.0 dBm ~ +2.0 dBm
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Minimum Receiver Sensitivity (OMA): −10.2 dBm
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Maximum Allowable Received Optical Power: +2.3 dBm
Digital Diagnostics
DOM / DDM (Digital Diagnostic Monitoring) Supported
Monitors internal module temperature, supply voltage, laser bias current, transmit optical power and received optical power via I2C CMIS interface.
Environmental Specifications (Commercial Grade)
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Operating Temperature:0°C ~ +70°C (32°F ~ 158°F)
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Storage Temperature: −40°C ~ +85°C (−40°F ~ 185°F)
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Relative Humidity: 5% – 95%, non‑condensing
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Maximum Operating Altitude: 3,000 meters
Typical Power Consumption
4. Supported Functional Capabilities
Ethernet Transport
Wire-speed full-duplex 200GBASE-DR4 PAM4 Ethernet; supports flexible electrical breakout into 4 × 50GBASE; requires host RS-FEC.
Layer 2 Protocol Support
802.1Q VLAN trunking, IEEE 802.3x pause frame flow control, LACP, STP/RSTP/MSTP, EtherChannel link aggregation
Interface Diagnostics
Link status detection, error statistics, DOM real-time optical telemetry, LOS (Loss of Signal) alarm indication, Tx disable control, local loopback testing
High Availability
Supports hot-plug OIR (Online Insertion and Removal) on compatible platforms; supports link redundancy via port-channels and spanning tree protocols
Operations & Management
NX-OS / IOS-XE command-line interface, SSH, SNMP v2c/v3, Syslog logging
5. Typical Deployment Scenarios
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Short-medium reach 200GE leaf-spine fabric uplinks within cloud and AI compute data center pods
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GPU cluster and high-performance computing (HPC) interconnections up to 500 meters
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Network migration projects leveraging MPO‑12 APC parallel single-mode trunk infrastructure
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Flexible port density deployments: single QSFP56 port breakout into four independent 50G connections
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Aggregation layer interconnections between high-density server racks and core switching tiers
6. Regulatory & Compliance Certifications
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Safety Standards: UL 60950‑1, IEC/EN 60950‑1, CSA C22.2 No.60950‑1
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EMC Compliance: CE Mark, FCC Part 15 Class A, ICES‑003 Class A
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Laser Safety: Class 1 Laser Product conforming to IEC 60825‑1
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Industry Standards: IEEE 802.3bs, QSFP56 MSA, CMIS Rev4.0, SFF‑8636
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Environmental Regulation: RoHS compliant, WEEE directive compliant
7. Standard Factory Package Contents
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Cisco QSFP-200G-DR4-S QSFP56 Optical Transceiver
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Hardware Installation Guide
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Safety and Regulatory Documentation
MPO‑12 APC single-mode trunk cables and MPO‑to‑4×LC APC breakout fanouts sold separately.
Model Comparison Reference
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QSFP-200G-DR4-S: MPO‑12 APC parallel SMF, max 500m, supports native 200G & 4×50G breakout
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QSFP-200G-FR4-S: Duplex LC WDM single-mode, max 2 km, no breakout capability
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QSFP-200G-SR4-S: MPO‑12 APC multi-mode parallel optics, OM4 MMF only
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QSFP-200G-LR4-S: Duplex LC WDM single-mode, max 10 km, long intra-DC links
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QSFP-100G-PSM4-S: 100G parallel single-mode predecessor, 500m reach
UNSPSC Classification Code
43222618 – Cisco QSFP-200G-DR4-S short-reach parallel single-mode QSFP56 transceiver with DOM and breakout capability, hot-swappable 200 Gigabit optical module for AI, cloud and enterprise data center leaf-spine networking.
Hardware Warranty
Genuine Cisco transceivers are covered under Cisco limited hardware warranty. Warranty terms for refurbished units follow respective reseller agreements.
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