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by Arista
Product Line:
Product Type: Switch
Original price $0.00 - Original price $4,683.00
Original price
$0.00 - $4,683.00
Current price $4,683.00
Title: Used

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Product Description

The DCS-7500R-8CFPX-LC Arista line card features an 8 port 200G Tunable Coherent DWDM interface with MACsec support, designed for high-capacity optical transport. It boasts a substantial 12GB packet buffer and supports a range of modulation formats including PM-QPSK, PM-8QAM, and PM-16QAM for data rates of 100Gbps, 150Gbps, and 200Gbps respectively. Compatible with Arista chassis models DCS-7516N, DCS-7512N, DCS-7508N, DCS-7504N, DCS-7508, and DCS-7504, it operates efficiently within a 0˚C to 40˚C temperature range and at altitudes up to 10,000 ft.

Key Feature for the DCS-7500R-8CFPX-LC

  • What chassis models support the CFPX-200G-DWDM line card?
  • The line card supports DCS-7516N, DCS-7512N, DCS-7508N, DCS-7504N, DCS-7508, and DCS-7504 chassis models.

  • How many 200G ports does the CFPX-200G-DWDM offer?
  • It offers 8 ports capable of operating at 200Gbps.

  • What are the power requirements for the CFPX-200G-DWDM?
  • Typical power consumption is 900W, with a maximum of 1180W.

  • What modulation formats are supported by the CFPX-200G-DWDM?
  • It supports PM-QPSK for 100Gbps, PM-8QAM for 150Gbps, and PM-16QAM for 200Gbps data rates.

  • What is the maximum operating altitude for the CFPX-200G-DWDM?
  • The maximum operating altitude is 10,000 feet (3,000 meters).

  • Can the CFPX-200G-DWDM line card support MACsec?
  • Yes, it is designed to support MACsec encryption.

  • What is the packet buffer size of the CFPX-200G-DWDM?
  • The packet buffer size is 12GB.

  • What are the physical dimensions of the CFPX-200G-DWDM?
  • The dimensions are 17.5” (W) x 1.75” (H) x 23” (D).

  • What is the pre-FEC bit error rate (BER) for the CFPX-200G-DWDM?
  • The pre-FEC BER is 3.2 E-02, with 0.01 uncorrected blocks per second.

  • What are the operating temperature ranges for the CFPX-200G-DWDM?
  • The operating temperature ranges from 0˚C (32˚F) to 40˚C (104˚F).

Product Review

The Arista DCS-7500R-8CFPX-LC line card offers eight 200G tunable coherent DWDM ports with MACsec, supporting a maximum data rate of 200Gbps per port with advanced modulation formats. Despite its high packet buffer of 12GB and compatibility with various chassis, the card's power consumption is significant, requiring up to 1180W at maximum load. Its operating temperature range and altitude limits ensure reliability across diverse environmental conditions, accommodating a broad spectrum of data center requirements.


The Arista DCS-7500R-8CFPX-LC is a high-capacity line card designed for advanced networking applications, offering 8 ports of 200G tunable coherent DWDM with MACsec encryption capabilities. This line card is compatible with a range of Arista chassis, including the DCS-7516N, DCS-7512N, DCS-7508N, DCS-7504N, DCS-7508, and DCS-7504, providing flexible deployment options for various network infrastructures. Equipped with the CFPX-200G-DWDM interface, the Arista DCS-7500R-8CFPX-LC supports a maximum of 8 200G ports, enabling high-density and high-throughput network configurations. This card utilizes advanced modulation formats, including PM-QPSK for 100Gbps, PM-8QAM for 150Gbps, and PM-16QAM for 200Gbps data rates per port, ensuring versatile performance across different networking demands. The line card features a substantial 12GB packet buffer, designed to manage high volumes of data traffic efficiently, reducing packet drops and enhancing the overall network reliability. With a weight of 20.0 lbs (9.1 kg) and physical dimensions of 17.5” in width, 1.75” in height, and 23” in depth, it integrates seamlessly into compatible Arista chassis without compromising on space. Power efficiency is a key aspect of the Arista DCS-7500R-8CFPX-LC, with typical power consumption at 900W and a maximum of 1180W. This makes it an energy-conscious choice for networks that demand high performance without excessive power use. The line card's performance is further enhanced by its Forward Error Correction (FEC) technology, specifically SD-FEC, which significantly reduces the bit error rate (BER) to 3.2 E-02, with a remarkably low uncorrected blocks rate of 0.01/second. This means the card can maintain high data integrity even over long distances or in challenging environmental conditions. Designed to operate in a wide range of temperatures, from 0˚C (32˚F) to 40˚C (104˚F), and capable of being stored from -40˚C (-40˚F) to 70˚C (158˚F), the Arista DCS-7500R-8CFPX-LC is built for durability and reliability in various operating environments. It also supports a relative humidity range from 5 to 90%, ensuring continued operation in humid conditions. The line card is designed to function optimally at altitudes ranging from sea level up to 10,000 ft (3,000m), accommodating different geographical locations without compromising on performance. Key features include: -
  • 8 ports of 200G tunable coherent DWDM with MACsec encryption.
  • Compatibility with multiple Arista chassis models for versatile deployment options.
  • Advanced modulation formats and Forward Error Correction (FEC) for high performance and reliability.
Overall, the Arista DCS-7500R-8CFPX-LC line card is a comprehensive solution for networks requiring high-speed, secure, and reliable data transmission over optical fiber, making it an essential component for modern data centers and telecommunications networks.


Part Number/ManufacturerArista DCS-7500R-8CFPX-LC
Description8-port 200G Adjustable Coherent DWDM Line Card with MACsec, includes chassis
Port InterfaceCFPX-200G-DWDM
Maximum 200G Ports8
Packet Memory12GB
Unit Weight20.0 lbs (9.1 kg)
Power Consumption (Typical/Maximum)900W (1180W)
Width17.5” (44.5 cm)
Height1.75” (4.5 cm)
Depth23” (58.4 cm)
Compatible ChassisDCS-7516N, DCS-7512N, DCS-7508N, DCS-7504N, DCS-7508, DCS-7504
Modulation/Data Rate - PM-QPSK100Gbps
Modulation/Data Rate - PM-8QAM150Gbps
Modulation/Data Rate - PM-16QAM200Gbps
Error Correction CodingSD-FEC
Pre-FEC Bit Error Rate (BER)3.2 E-02 (with 0.01 uncorrected blocks/second)
Operating Temperature Range0˚C (32˚F) to 40˚C (104˚F)
Storage Temperature Range-40˚C (-40˚F) to 70˚C (158˚F)
Humidity Tolerance5 to 90%
Minimum Operating Altitude0 ft (0m)
Maximum Operating Altitude10,000 ft (3,000m)

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