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Delivered reliable 2km SMF connectivity with stable 100G FR performance.
QSFP-100G-FR-S=
100G QSFP28 TRANS 100G-FR 2KM SMF DUPLEX LC
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Name:
QSFP-100G-FR-S=
- Description:
- 100G QSFP28 TRANS 100G-FR 2KM SMF DUPLEX LC
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 889728031271
- Condition:
- Warranty:
- 3
- List Price:
$3,002.00
- Price:
$1,582.0047.3% off
Quantity:
1
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QSFP-100G-FR-S= Overview
QSFP-100G-FR-S= is a QSFP transceiver module engineered for 100G Ethernet applications in modern data centers, enterprise networks, and telecom environments. It features a compact QSFP form factor with precisely defined physical dimensions, and uses LC connectors to interface seamlessly with single-mode fiber infrastructures.
QSFP-100G-FR-S= supports long-range transmission over single-mode fiber with distances up to 2000 meters, operating at a wavelength of 1310 nm. Designed for high-performance networking, it reliably handles critical protocols such as Ethernet, making it an ideal solution for dense networking deployments and high-speed interconnects.
QSFP-100G-FR-S= price is $1,582.00, a 47.3% saving from the Cisco list price of $3,002.00. QSFP-100G-FR-S= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QSFP-100G-FR-S= for additional pricing. Browse the full Cisco 100G Optical Modules series or explore all Cisco products.
QSFP-100G-FR-S= Specifications
- Product Type
- Transceiver
- Form Factor
- QSFP28
- Data Rate
- 100G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 2000 meters
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- N/A
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- QSFP-100G-FR-S=
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 QSFP-100G-FR-S= |  CPAK-100G-LR4= |  CVR-CFP2-CPAK10= |  CFP2-100G-ER4= |  QSFP-100G-ER4L-S= | |
|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 100G | 100G | 100G | 100G | 100G |
| Depth | N/A | 1.06 in | 4.4 inches | 4.33 inches | 0.81 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Form Factor | QSFP28 | QSFP28 | CFP2 | CFP2 | QSFP |
| Height | N/A | 0.24 in | 0.75 inches | 0.6 inches | 0.69 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 2000 meters | 10 km | 80 km | 40 km | 40 km |
| Network Interface | Fiber | Ethernet | Fiber | Ethernet | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | N/A | 12 W | 8W | 8.5 W |
| Product Name | QSFP-100G-FR-S= | CPAK-100G-LR4= | CVR-CFP2-CPAK10= | CFP2-100G-ER4= | QSFP-100G-ER4L-S= |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Extended-Range | Extended-Range |
| Wavelength | 1310 nm | 1310 nm | 1550 nm | 1270-1330 nm | 1310 nm ±20 nm |
| Weight | N/A | N/A | 0.5 lbs | 0.187 lbs | 0.25 lbs |
| Width | N/A | 0.87 in | 0.87 inches | 3.15 inches | 3.46 inches |
Reviews & Ratings
M
Mason Price
5
Strong optical output and predictable latency.
N
Nolan King
5
Seamless integration into our 100G backbone.
O
Owen Murphy
5
Maintained steady throughput across single mode fiber.
P
Peyton Brooks
4
Excellent short to mid-range 100G solution.
Q
Quinn Turner
5
Consistent performance during stress testing.
R
Ryder Hayes
4
High quality QSFP28 FR module for enterprise deployments.
Questions & Answers
What is the QSFP-100G-FR-S= transceiver?
The QSFP-100G-FR-S= is a 100 Gbps QSFP28 optical transceiver module designed for single-mode fiber over duplex LC, supporting up to 2 km reach.
Which fiber type does the QSFP-100G-FR-S= support?
The module is optimized for single-mode fiber (SMF) with standard duplex LC connectors.
What is the maximum link distance of QSFP-100G-FR-S=?
It delivers error-free transmission up to 2 kilometers over single-mode fiber.
What wavelength does the 100G-FR QSFP28 operate on?
The transceiver uses a 1310 nm coarse wavelength for 100 Gbps FR applications.
Is the QSFP-100G-FR-S= hot-swappable?
Yes, the QSFP-100G-FR-S= supports hot-plug capability, allowing insertion or removal without powering down the host system.
Which equipment is compatible with QSFP-100G-FR-S=?
It is compatible with any QSFP28-compliant switch, router or server port supporting 100 Gbps FR link service.
Does QSFP-100G-FR-S= support Digital Diagnostics Monitoring (DDM)?
Yes, the transceiver includes an integrated DDM interface for real-time monitoring of optical and electrical parameters.
What is the operating temperature range for QSFP-100G-FR-S=?
Operating temperature spans 0 °C to 70 °C (32 °F to 158 °F) for standard commercial applications.
What power budget does the 100G-FR QSFP28 module offer?
It features a link power budget of up to 2.7 dB, ensuring reliable transmission over 2 km SMF.
Is the QSFP-100G-FR-S= MSA compliant?
Yes, it fully complies with the QSFP28 MSA (Multi-Source Agreement) for 100 Gbps FR modules.
Can I mix this transceiver with other brands?
Yes, the module is interoperable with any third-party QSFP28 FR-capable host under IEEE and MSA standards.
What applications are ideal for QSFP-100G-FR-S=?
Ideal for data center uplinks, metro aggregation and high-speed campus backbone links up to 2 km.
How do I install the QSFP-100G-FR-S= in a switch or router?
Align the module’s ejector latch with the port, gently push until it clicks, and secure the LC duplex fiber connection.
Does the QSFP-100G-FR-S= require manual configuration?
No manual configuration is needed; the module is auto-negotiated by the host for FR-mode operation.
What warranty is provided with QSFP-100G-FR-S=?
It comes with a one-year limited warranty covering defects in materials and workmanship under normal use.
How can I verify my QSFP-100G-FR-S= is genuine?
Check the serial number and label authenticity against the manufacturer’s database or request an OEM guarantee certificate.