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Products Cisco QSFP-100G-SM-SR= 100G QSFP28 1310nm SMF optical transceiver
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QSFP-100G-SM-SR=
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CISCO Modules

Cisco QSFP-100G-SM-SR= 100G QSFP28 1310nm SMF optical transceiver

Cisco QSFP-100G-SM-SR, QSFP-100G-SM-SR=, Cisco 100G SMF transceiver, 100G LC optical module, SMF short reach QSFP28, data center fiber migration solution, 100G without MPO

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πŸš€ Efficient 100G Short-Reach Over Single-Mode Fiber | Cisco QSFP-100G-SM-SR=

Bridge the Gap Between SR and DR with Cost-Effective SMF Connectivity

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The Cisco QSFP-100G-SM-SR= is a high-performance 100G QSFP28 optical transceiver designed for short-reach transmission over single-mode fiber (SMF).
Operating at 1310nm wavelength, it enables cost-efficient short-distance connectivity using SMF, providing an ideal alternative to traditional multimode SR4 solutions and complementing DR architecture in modern data centers.
Engineered by Cisco Systems, this module helps simplify fiber infrastructure while improving scalability.
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πŸ”₯ Why This Module Is Gaining Attention

βœ” Moving from multimode (MMF) to single-mode (SMF)? βœ” Want simpler cabling without MPO complexity? βœ” Need short-distance 100G with future scalability?
πŸ‘‰ SM-SR is the transition solution for next-gen fiber strategy
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⚑ SR4 vs SM-SR vs DR

Type
Fiber
Distance
Connector
Architecture
SR4
MMF
≀100m
MPO
Parallel
SM-SR
SMF
~100m–500m
LC
Simplified SMF
DR
SMF
500m
LC
PAM4
πŸ‘‰ SM-SR = simpler than SR4, more flexible than DR
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🧠 Key Features of Cisco QSFP-100G-SM-SR=

  • Data Rate: 100 Gbps
  • Wavelength: 1310 nm
  • Distance: Typically up to 100–500 m (depending on deployment)
  • Connector: LC Duplex
  • Fiber Type: Single-mode fiber (SMF)
  • Form Factor: QSFP28
  • Digital Optical Monitoring (DOM): Supported
  • Hot-swappable
  • Optimized for simplified SMF deployment
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πŸ—οΈ High-Value Application Scenarios

1. Data Center Migration (MMF β†’ SMF)

  • Simplify cabling structure
  • Prepare for future upgrades

2. Leaf-Spine Architectures

  • Short-reach interconnects
  • High bandwidth + flexibility

3. Enterprise Data Centers

  • Replace MPO with LC fiber
  • Reduce operational complexity

4. Hybrid 100G Environments

  • Work alongside SR4 / DR modules
  • Flexible deployment
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πŸ’‘ Why Choose SM-SR?

πŸ‘‰ Traditional choices:
  • SR4 β†’ requires MPO (complex)
  • DR β†’ optimized for longer reach
πŸ‘‰ SM-SR offers:
  • LC fiber simplicity
  • SMF scalability
  • Lower operational complexity
βœ… Best for customers transitioning to SMF architecture
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🧩 Complete 100G SMF Solution

βœ… Optical Modules

  • Cisco QSFP-100G-SM-SR=
  • Cisco QSFP-100G-DR-S= (for extended reach)

βœ… Cabling

  • LC-LC single-mode fiber (OS2)

βœ… Equipment

  • 100G switches
  • Leaf-spine architecture
πŸ‘‰ SMF strategy = long-term infrastructure advantage
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πŸ“Š Technical Specifications

Parameter
Specification
Form Factor
QSFP28
Data Rate
100 Gbps
Wavelength
1310 nm
Max Distance
~100–500 m
Connector
LC Duplex
Fiber Type
Single-mode
Power Supply
3.3V
Operating Temp
0Β°C to +70Β°C
DOM Support
Yes
Compliance
QSFP28 MSA, RoHS
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❓ FAQ

Q1: What is SM-SR used for?

It is used for short-distance 100G transmission over single-mode fiber.
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Q2: Is it better than SR4?

It simplifies cabling by using LC instead of MPO.
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Q3: What is the difference between SM-SR and DR?

SM-SR focuses on simplified short-reach SMF, while DR is optimized for 500m PAM4 transmission.
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Q4: What fiber is required?

Standard OS2 single-mode fiber.
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Cisco QSFP-100G-SM-SR, QSFP-100G-SM-SR=, Cisco 100G SMF transceiver, 100G LC optical module, SMF short reach QSFP28, data center fiber migration solution, 100G without MPO
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πŸš€ Get a Quote for Your 100G SMF Deployment

πŸ‘‰ Planning to migrate to single-mode fiber?
  • βœ” Simplified cabling
  • βœ” Future-ready infrastructure
  • βœ” Scalable 100G deployment
Contact us now for pricing and availability.