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by Cisco
Product Line: Cisco Series
Product Type: Line Card Chassis
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Original price $0.00 - Original price $0.00
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Product Description

The CRS-8-LCC-DC Cisco supports 8 Modular Services Cards and 8 Physical Layer Interface Modules, with a DC power system that accommodates 1 DC Power Entry Module and delivers a maximum of 8.0 kW. It operates within a nominal input voltage range of -40.5 to -75 VDC, drawing an input current of 56 A at -48/-60 VDC, and maintains operational efficiency within a temperature range of 5 °C to 40 °C and humidity levels from 5% to 85% (Noncondensing). The system, designed for optimal thermal management, offers heat dissipation up to 32,415 BTU/Hour in a modular configuration, supports chassis airflow up to 900 Cubic Feet per Minute, and requires external cooling of 2.3 Tons.

FAQs for the CRS-8-LCC-DC

  • What is the maximum number of Modular Services Cards supported?
    The device supports up to 8 Modular Services Cards.
  • How many Physical Layer Interface Modules (PLIMs) can be accommodated?
    It can accommodate 8 Physical Layer Interface Modules.
  • What type of power distribution unit is supported by the device?
    The device supports 1 DC Power Entry Module for DC PDU.
  • What is the maximum DC power capacity?
    The maximum DC power capacity is 8.0 kW.
  • What range of input voltage does the device operate on?
    The nominal input voltage range is –40.5 to –75 VDC.
  • What is the input current specification at -48/-60 VDC?
    At -48/-60 VDC, the input current is 56 A.
  • What are the device's operating temperature limits?
    The minimum nominal operating temperature is 5 °C, and the maximum is 40 °C.
  • Can you specify the nonoperating temperature range?
    The nonoperating temperature range is from -40 °C to 70 °C.
  • What humidity levels can the device operate within?
    The operating humidity range is 5% to 85% (noncondensing).
  • What is the recommended external cooling requirement?
    The device requires external cooling of 2.3 tons.

Product Review

The CISCO CRS-8-LCC-DC supports eight Modular Services Cards and Physical Layer Interface Modules, offering flexibility in network design and scalability for future growth. With a DC power input specification supporting up to 8.0 kW and operational across a wide range of voltages and temperatures, it ensures reliability in varied environmental conditions. However, its considerable heat dissipation, up to 32,415 BTU/hour, and noise levels up to 81 dB in fixed configuration, necessitate a well-planned cooling solution and could pose challenges in noise-sensitive environments.


The CISCO CRS-8-LCC-DC is a high-capacity, carrier-grade networking hardware specifically designed to meet the demanding needs of modern data centers and network operations. This detailed product overview focuses on the hardware specifications that make it a critical infrastructure component for managing large-scale network environments. At the core of the CISCO CRS-8-LCC-DC are its 8 Modular Services Cards (MSC) slots and an equal number of Physical Layer Interface Module (PLIM) slots. This configuration allows for a versatile and scalable hardware setup, capable of adapting to varying network demands and technologies. The system supports a single DC Power Entry Module (PDU), ensuring reliable power delivery and management across the system. The power capabilities of the CRS-8-LCC-DC are notable, with a maximum DC rating of 8.0 kW. It operates within a nominal input voltage range of -40.5 to -75 VDC and can handle an input current of 56 A at the standard -48/-60 VDC. These specifications ensure that the system can maintain operational efficiency and stability even in diverse electrical environments. Key environmental operational parameters include:
  • Operating temperature range from 5 °C to 40 °C, accommodating data center environments with varying cooling capabilities.
  • Nonoperating temperature tolerance from -40 °C to 70 °C, ensuring system integrity during transport or storage in extreme conditions.
  • Humidity levels from 5% to 85% (noncondensing) during operation and 5% to 90% (noncondensing) when not in operation, providing resilience in varying atmospheric conditions.
The CRS-8-LCC-DC is designed to operate efficiently up to an altitude of 1800 meters, with short-term operational capability extended up to 4000 meters, providing flexibility for installations in various geographical locations. Heat dissipation is another critical aspect, with the system capable of dissipating up to 32,415 BTU/hour in a modular configuration, ensuring the hardware remains within optimal temperature ranges for performance and longevity. Airflow management within the chassis is meticulously engineered, supporting up to 900 cubic feet per minute for the chassis and an additional 240 cubic feet per minute specifically for the power system. This high level of airflow is essential for maintaining the operational integrity of the system's components. In terms of acoustic output, the system maintains a sound power level of 81 dB or lower in a fixed configuration power setup and 77 dB or lower in a modular configuration. This consideration is crucial for maintaining a relatively low noise level in data center environments. External cooling requirements for the CISCO CRS-8-LCC-DC are specified at 2.3 tons, reflecting the need for effective heat management systems in supporting the unit's continuous operation. Overall, the CISCO CRS-8-LCC-DC is designed to provide reliable, scalable, and efficient networking hardware solutions for high-demand environments, ensuring consistent performance and operational stability across a wide range of conditions.


Item Description
Model and Brand CISCO CRS-8-LCC-DC
Modular Services Cards Supported 8
Physical Layer Interface Modules Supported 8
DC Power Distribution Unit Compatibility Supports one DC Power Entry Module
Maximum DC Power 8.0 kW
Standard Input Voltage Range -40.5 to -75 VDC
Input Current Specification 56 A at -48/-60 VDC
Operational Temperature Range (Low) 5 °C
Operational Temperature Range (High) 40 °C
Storage Temperature Range (Low) -40 °C
Storage Temperature Range (High) 70 °C
Humidity Range for Operation (Low) 5% (Noncondensing)
Humidity Range for Operation (High) 85% (Noncondensing)
Humidity Range for Storage (Low) 5% (Noncondensing)
Humidity Range for Storage (High) 90% (Noncondensing)
Maximum Altitude for Operation 1800 m
DC Heat Output (Fixed Setup) 27,297 BTU/Hour
DC Heat Output (Modular Setup) 32,415 BTU/Hour
Chassis Airflow Capacity Up to 900 Cubic Feet per Minute
Power Supply Airflow Capacity Up to 240 Cubic Feet per Minute
Noise Level with Fixed Power Configuration 81 dB or Lower
Noise Level with Modular Power Configuration 77 dB or Lower
Required External Cooling 2.3 Tons
Temperature Range for Brief Operation Periods -5 °C to 50 °C
Altitude Limit for Brief Operation Periods Up to 4000 m

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