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CPAK-100G-CWDM4
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CPAK OPTICAL TRANSCEIVER MODULE100G CWDM4 2KM SMF
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Name:
CPAK-100G-CWDM4
- Description:
- CPAK OPTICAL TRANSCEIVER MODULE100G CWDM4 2KM SMF
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0882658929878
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$30,110.00
- Price:
$15,845.0047.4% off
Quantity:
1
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CPAK-100G-CWDM4 Overview
CPAK-100G-CWDM4 is a 100G optical transceiver module designed for high-speed Ethernet applications across data centers, enterprise networks, and telecom infrastructures. It supports 100G data rates over four CWDM wavelengths with LC fiber connectors, providing short-range transmission over single-mode fibers.
CPAK-100G-CWDM4 features a CFP form factor that meets strict physical dimension standards and is engineered to deliver reliable performance in high-density networking environments. It is optimized for Ethernet protocols and is compatible with leading network vendors, making it ideal for modern network deployments requiring robust, high-capacity connectivity.
CPAK-100G-CWDM4 price is $15,845.00, a 47.4% saving from the Cisco list price of $30,110.00. CPAK-100G-CWDM4 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CPAK-100G-CWDM4 for additional pricing. Browse the full Cisco 100G Optical Modules series or explore all Cisco products.
CPAK-100G-CWDM4 Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- CFP
- Data Rate
- 100G
- Connector Type
- LC
- Wavelength
- 1271 nm / 1291 nm / 1311 nm / 1331 nm
- Transmission Distance
- Short-Range
- Fiber Type
- Single-mode
- Max Distance
- 2 km
- Supported Protocols
- Ethernet
- Network Interface
- Ethernet
- 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-CWDM4
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Product Comparison Table 
| CPAK-100G-CWDM4 |  CPAK-100G-SR4 |  QSFP-100G-LR4-S |  CPAK-100G-LR4 |  QSFP-100G-SR4-S | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Optical Transceiver | Transceiver | Optical Transceiver |
| Form Factor | CFP | QSFP28 | QSFP28 | QSFP28 | QSFP28 |
| Data Rate | 100G | 100G | 100 Gbps | 100G | 100 Gbps |
| Connector Type | LC | MPO | LC Duplex | LC | MPO-12 |
| Fiber Type | Single-mode | Multi-mode | Single-Mode (SMF) | Single-mode | Multi-Mode (MMF) |
| Operating Temperature | 0 to 70°C | 0 to 70°C | Commercial (0°C to 70°C) | 0 to 70°C | Commercial (0°C to 70°C) |
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
H
Hector Miles
4
Reliable 100G CWDM4 CPAK module achieving stable 2km SMF connectivity.
I
Ibrahim Walton
5
Consistent optical output and predictable latency.
J
Jared Vaughn
5
Strong performance across metro fiber deployments.
K
Kellan Foster
4
Stable integration into our 100G switching platform.
L
Lachlan Boyd
5
Delivered steady throughput without signal degradation.
M
Mason Harding
5
Excellent 2km reach with dependable stability.
N
Nico Fletcher
4
High quality optics for enterprise backbone use.
Questions & Answers
What is the CPAK-100G-CWDM4 optical transceiver module?
The CPAK-100G-CWDM4 is a hot-pluggable 100 Gbps CWDM4 optical transceiver designed for duplex SMF links up to 2 km, delivering reliable high-speed connectivity in data centers and enterprise networks.
What applications are supported by the CPAK-100G-CWDM4 module?
This module supports 100 Gigabit Ethernet, OTU4, and high-density server interconnects in data centers, metro aggregation and core network segments requiring up to 2 km reach.
What is the maximum transmission distance of this 100G CWDM4 transceiver?
The CPAK-100G-CWDM4 transmits data over single-mode fiber at distances up to 2 km without signal regeneration.
Which fiber type is compatible with the CPAK-100G-CWDM4?
This transceiver is optimized for ITU-T G.652 single-mode fiber (SMF), ensuring minimal attenuation and low dispersion over distances up to 2 km.
What data rate does the CPAK-100G-CWDM4 support?
The module supports a fixed data rate of 100 Gbps, compliant with IEEE 802.3bm CWDM4 specifications for high-throughput applications.
Which wavelengths are used in the CWDM4 optics?
CWDM4 optics leverage four channels at 1271 nm, 1291 nm, 1311 nm and 1331 nm to achieve cost-effective 100 Gbps transmission over single-mode fiber.
What connector type does the CPAK-100G-CWDM4 use?
The transceiver features an MPO-12 multi-fiber push-on connector, facilitating easy mating with standard MPO trunk cables and breakout assemblies.
How much power does the CPAK-100G-CWDM4 consume?
Typical power consumption is 10.5 W, enabling efficient high-density deployments with minimal cooling overhead.
What operating temperature range does the transceiver support?
It operates reliably in a temperature range from 0 °C to 70 °C, meeting commercial-grade environmental requirements.
Is the CPAK-100G-CWDM4 module hot-pluggable?
Yes, this module is hot-pluggable, allowing insertion or removal without powering down the host system for uninterrupted operations.
Which industry standards does the CPAK-100G-CWDM4 comply with?
It complies with IEEE 802.3bm for 100G CWDM4, SFF-8636 for CPAK form factor, and RoHS-6 environmental directives.
How do I install the CPAK-100G-CWDM4 transceiver?
Align and slide the module into an available CPAK slot until it clicks, then connect MPO trunk cables, verifying link status via the host device’s interface LEDs or CLI.
How can I troubleshoot link issues with this CWDM4 module?
Check fiber cleanliness and MPO polarity, verify SFP-port configuration on the switch, and monitor diagnostic counters via DDM/DOM for laser bias and optical power levels.
What is the mean time between failures (MTBF) for the CPAK-100G-CWDM4?
The module offers an MTBF greater than 1 million hours, ensuring high availability and reliability in mission-critical networks.
What are the typical return loss specifications?
Transmit return loss is ≤–12 dB and receiver return loss is ≤–12 dB, ensuring minimal signal reflection and optimal link performance.
Does the CPAK-100G-CWDM4 include a warranty?
Yes, the transceiver is backed by a limited lifetime warranty when purchased through authorized Cisco partners, covering defects in materials and workmanship.