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CPAK-100G-ER4L
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CPAK MODULE 100G FOR APPLICATIONS 10KM
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Name:
CPAK-100G-ER4L
- Description:
- CPAK MODULE 100G FOR APPLICATIONS 10KM
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818250498344
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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CPAK-100G-ER4L Overview
CPAK-100G-ER4L is a QSFP28 optical transceiver that supports 100G Ethernet, featuring LC fiber-optic connectors and designed for long-range transmission over single-mode fiber. It is engineered to reliably transmit data over distances up to 40 km using a 1310 nm wavelength, making it ideal for interconnecting data centers, enterprise networks, and telecom infrastructures.
Overview of “CPAK-100G-ER4L” – This compact form factor transceiver adheres to strict physical dimensions specified by industry standards, ensuring seamless integration into high-density network environments. It supports Ethernet protocols and provides a robust solution for both campus and carrier applications without superfluous features, focusing solely on secure and efficient data communications.
CPAK-100G-ER4L price is is available on request. Get immediate quote.
Request bulk order quote for CPAK-100G-ER4L for additional pricing. Browse the full Cisco 100G Optical Modules series or explore all Cisco products.
CPAK-100G-ER4L Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- QSFP28
- Data Rate
- 100G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 40 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- CPAK-100G-ER4L
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Product Comparison Table 
| CPAK-100G-ER4L |  CPAK-100GE-LR4 |  QSFP-100G-AOC5M |  CPAK-100G-SR10 |  CPAK-10X10G-LR | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Active Optical Cable | Transceiver | Transceiver |
| Form Factor | QSFP28 | QSFP28 | QSFP | QSFP28 | SFP+ |
| Data Rate | 100G | 100G | 100G | 100G | 10G |
| Connector Type | LC | LC | QSFP | MPO | LC |
| Wavelength | 1310 nm | 1310 nm | 850nm | 850nm | 1310nm |
| Transmission Distance | Long-Range | Long-Range | Short-Range | Short-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Multi-mode | Single-mode |
| Max Distance | 40 km | 10 km | 5m | 100 meters | 10 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet |
| Network Interface | Fiber | Ethernet | Ethernet | Ethernet | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | CPAK-100G-ER4L | CPAK-100GE-LR4 | QSFP-100G-AOC5M | CPAK-100G-SR10 | CPAK-10X10G-LR |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
C
Carter Delgado
5
Reliable extended reach CPAK delivering stable long-distance 100G connectivity.
D
Damon Pierce
4
Strong optical performance across demanding fiber routes.
E
Elias Gardner
5
Consistent throughput over extended SMF links.
F
Frankie Osborne
5
Excellent stability and predictable latency.
G
Griffin Walton
5
Dependable ER4L optics for enterprise backbones.
H
Hudson Bailey
5
Handled long-haul traffic without interruptions.
I
Ian Crawford
5
Stable and efficient 100G extended reach solution.
Questions & Answers
What is the CPAK-100G-ER4L module?
The CPAK-100G-ER4L is a 100 Gigabit Ethernet coherent transceiver module designed for single-mode fiber applications over distances up to 10 km.
Which fiber type does the CPAK-100G-ER4L support?
It supports ITU-standard single-mode fiber (SMF) with a maximum reach of 10 km using 1310 nm wavelength.
What interface does the CPAK-100G-ER4L provide?
The module offers a QSFP28 connector supporting 4×25 Gb/s lanes aggregated into a 100 Gb/s Ethernet interface.
Is the CPAK-100G-ER4L hot-pluggable?
Yes, the CPAK-100G-ER4L is hot-pluggable for effortless installation and removal without powering down the host device.
What is the power consumption of the CPAK-100G-ER4L?
It consumes less than 5.5 Watts under full load, making it energy-efficient for data center deployments.
Which equipment is compatible with the CPAK-100G-ER4L?
It is compatible with all QSFP28 ports supporting 100 GbE on switches, routers, and servers from major OEMs that accept Cisco-style optics.
How do I install the CPAK-100G-ER4L module?
Align the QSFP28 module with the port, insert until it clicks, then secure the latch and connect the fiber cables according to polarity.
What operating temperature range does the CPAK-100G-ER4L support?
The module operates reliably between 0 °C and 70 °C (32 °F to 158 °F) ambient temperature.
Does the CPAK-100G-ER4L support digital diagnostics monitoring (DDM)?
Yes, it features DDM for real-time monitoring of optical power, temperature, voltage, and laser bias current via I2C interface.
What optical return loss (ORL) performance can I expect?
The CPAK-100G-ER4L guarantees an ORL better than 26 dB, ensuring minimal signal reflection and optimal link integrity.
What warranty covers the CPAK-100G-ER4L?
It comes with a one-year limited warranty covering defects in materials and workmanship when used under normal operating conditions.
Can I use the CPAK-100G-ER4L in DWDM networks?
No, the ER4L module is optimized for 1310 nm single-mode fiber, not for DWDM wavelengths or multiplexed environments.
What is the typical link budget for 10 km reach?
The module provides a link budget of at least 24 dB, supporting 10 km spans over standard single-mode fiber at 1310 nm.
How do I verify the CPAK-100G-ER4L is working properly?
Check link status LEDs on your switch, confirm DDM readings for optical power and temperature, and run loopback diagnostics if needed.
Are fiber patch cables included with the CPAK-100G-ER4L?
No, fiber patch cables are not included. You must procure LC-to-LC single-mode duplex cables rated for 10 km.
Where can I purchase genuine CPAK-100G-ER4L?
You can order directly from authorized resellers, the manufacturer’s e-store, or certified distribution partners to ensure authenticity and warranty coverage.