PWR-C49-300DC-F/2, Cisco Catalyst 4948 Power Supply, 300W DC/Front-to-Back/Hot-swappable

  • Brand: Cisco
  • Model: PWR-C49-300DC-F/2
Rating:
100%
5/5.0
List Price: $800.00
53% OFF
$374.00
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    Overview
    End-of-Life Notice
    End-of-Life Notice
    PWR-C49-300DC-F/2 is officially EOL. Service support ends on 2022-10-31.
    For full lifecycle details, see PWR-C49-300DC-F/2 EOL.

    Cisco PWR-C49-300DC-F/2 Overview

    The Cisco PWR-C49-300DC-F/2 is an enterprise-grade DC power supply designed for Catalyst 4948 switches, delivering reliable 300W output for carrier and data center deployments. With a nominal -48 VDC input and a wide -40.5 to -72 VDC input voltage range, this DC power supply ensures stable operation in demanding telecom environments. Front-to-back cooling supports hot-aisle/cold-aisle layouts, while hot-swappable design and 300,000 hours MTBF enhance network uptime and simplify maintenance for global enterprise and service provider networks.

    Product Highlights

    300W
    DC Output
    -40.5–72V
    Wide Input
    300,000h
    High MTBF

    Product Applications Scenarios

    Data Center
    The 300W DC design and front-to-back cooling keep Catalyst 4948 switches stable in dense racks, reducing unplanned downtime and simplifying hot-aisle deployment.
    Enterprise Network
    Hot-swappable operation lets IT staff replace the power supply without outage, cutting maintenance windows and improving overall branch or campus availability.
    Service Providers
    Telecom-grade -48 VDC input and 5%–95% humidity tolerance make it ideal for POP sites, helping operators meet strict uptime SLAs across regions.

    Product Features Comparison

      Cisco Cisco Cisco Cisco
    Model PWR-C49-300DC-F/2, Cisco Catalyst 4948 Power Supply, 300W DC/Front-to-Back/Hot-swappable PWR-C49-300AC, Cisco Catalyst 4948 Power Supply, 300W AC, Hot-swappable, For 4948 PWR-C49E-300AC-F, Cisco Catalyst 4948E Power Supply, 300W AC/Front-to-Back A900-PWR550-D, Cisco ASR 900 Power Supply, 550W DC/ASR 900/Hot-swappable
    Brand Cisco Cisco Cisco Cisco
    Compatible Models Catalyst 4948 Power Supply PWR-C49-300DC-F/2 Catalyst 4948 Series Switches Catalyst 4948E Cisco ASR 900 Series Routers
    Accessory Type DC power supply Internal Power Supply Part Number PWR-C49E-300AC-F Internal Power Supply Unit
    Connector Type DC terminal block n/a IEC 320 C13 DC power connector
    Mounting Method n/a n/a n/a n/a
    Certification RoHS compliant; UL, CSA, EN, IEC; EN 55022 Class A, FCC Part 15 Class A n/a RoHS, CE Mark RoHS compliant; UL, CSA, CE; FCC, CISPR

    Optional Add-ons

    Model Number Description
    PWR-C49-300AC Cisco 300W AC power supply for Catalyst 4948 switches, ideal as an AC alternative or redundant PSU.
    PWR-C49E-300AC-F Cisco 300W AC front-to-back power supply for Catalyst 4948E, suitable for mixed AC/DC environments.
    C4948E-ACC-KIT Cisco Catalyst 4948E accessory kit with mounting and interface accessories to complete switch deployments.

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Cisco PWR-C49-300DC-F/2 Specification

    Model
    Catalyst 4948 Power Supply PWR-C49-300DC-F/2
    Brand
    Cisco
    Power Supply Type
    DC power supply
    Nominal Input Voltage
    -48 VDC
    Input Voltage Range
    -40.5 to -72 VDC
    Rated Output Power
    300 W
    Efficiency
    85%
    Cooling System
    Front-to-back
    Operating Temperature
    0 to 40 °C
    Storage Temperature
    -40 to 70 °C
    Relative Humidity (Non-Condensing)
    5% to 95%
    Dimensions (H x W x D)
    1.58 x 3.25 x 12.0 in
    MTBF
    300,000 hours
    Connector Type
    DC terminal block
    Regulatory Compliance
    RoHS compliant
    Safety Standards
    UL, CSA, EN, IEC
    EMC Standards
    EN 55022 Class A, FCC Part 15 Class A
    Altitude (Operating)
    Up to 10,000 ft
    Acoustic Noise
    62 dB
    Hot Swappable
    Yes
    Weight
    kg

    Get more information

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    Quality Certifications

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    Q&A

    Questions & Answers

    What is the application scenario for the Catalyst 4948 Power Supply PWR-C49-300DC-F/2?

    It is ideal for use in data centers and enterprise environments requiring stable power.

    Are there any accessories available for the Catalyst 4948 Power Supply PWR-C49-300DC-F/2?

    Typically, it comes with necessary installation screws and documentation.

    What precautions should I take while handling the PWR-C49-300DC-F/2?

    Ensure power is off before replacement to avoid electric shock and damage.

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