Description
Maintenance and Troubleshooting of the PWR-C49-300DC
The PWR-C49-300DC Cisco Switching PSU Power Supply requires regular maintenance and troubleshooting to ensure proper operation and longevity. The following are some recommended maintenance and troubleshooting steps for the PWR-C49-300DC:
- Cleaning: The power supply should be kept clean and free of dust and debris. Use a soft, dry cloth to wipe the exterior of the power supply.
- Firmware updates: Regularly check for and install firmware updates to ensure that the power supply is running the latest software version.
- Temperature monitoring: Monitor the temperature of the power supply to ensure that it is operating within the recommended temperature range. If the power supply is running too hot, it may need to be moved to a cooler location or additional cooling measures may need to be taken.
- Power supply status monitoring: Monitor the status of the power supply to ensure that it is operating properly. Check for any error messages or warning indicators.
- Power supply replacement: Power supplies have a limited lifespan and will eventually need to be replaced. If the power supply is no longer functioning properly, it may need to be replaced.
- Troubleshooting: If the power supply is not functioning properly, check the power supply status, voltage and amperage output. Check for any loose or disconnected cables and ensure that the power supply is receiving power.
- Check for any physical damage to the power supply, such as bent or broken pins. If the power supply is damaged it will need to be replaced.
- Contact Cisco support: If the power supply is still not functioning properly after troubleshooting, contact Cisco support for further assistance.
It is important to regularly maintain and troubleshoot the power supply to ensure that it is functioning properly and to prevent any potential issues that may cause downtime.
Input Voltage and Power Capacity of the PWR-C49-300DC
The PWR-C49-300DC Cisco Switching PSU Power Supply is designed to provide power to Cisco switches that require a DC power source. The following are the input voltage and power capacity specifications for the PWR-C49-300DC:
- Input Voltage: The PWR-C49-300DC can accept an input voltage of -40 to -72VDC.
- Power Capacity: The PWR-C49-300DC can provide up to 300W of power to the switch.
- Power Output: The PWR-C49-300DC has one output connector that provides DC power to the switch.
- Power Consumption: The PWR-C49-300DC has a power consumption of 300W maximum.
- Efficiency: The PWR-C49-300DC has an efficiency of 80% at full load.
- Heat dissipation: The PWR-C49-300DC has a heat dissipation of 1030BTU/hr
Technical Specifications of the PWR-C49-300DC
The PWR-C49-300DC Cisco Switching PSU Power Supply is a DC power supply designed for use with Cisco switching and routing equipment. The following are the technical specifications for the PWR-C49-300DC:
- Input Voltage: The PWR-C49-300DC can accept an input voltage of -40 to -72 VDC.
- Power Capacity: The PWR-C49-300DC can provide up to 300W of power to the switch or router.
- Power Output: The PWR-C49-300DC has one output connector for -48 VDC.
- Efficiency: The PWR-C49-300DC has an efficiency of 80% at full load.
- Heat dissipation: The PWR-C49-300DC has a heat dissipation of 1020 BTU/hr
- Operating Temperature: The PWR-C49-300DC can operate within a temperature range of -5 to 45 degrees Celsius (23 to 113 degrees Fahrenheit).
- Dimensions: The PWR-C49-300DC has a dimension of 1.75 x 6.75 x 10.5 inches (4.4 x 17.1 x 26.7 cm)
- Weight: The PWR-C49-300DC weighs about 3.5 pounds (1.6 kg)
- Safety Compliance: The PWR-C49-300DC is compliant with UL, CE, CSA, TUV and FCC safety standards.
General Information
- Manufacturer Cisco Systems, Inc
- Manufacturer Part Number PWR-C49-300DC
- Brand Name Cisco
- Product Name 300W DC Power Supply
- Product Type Proprietary Power Supply
Power Description
- Input Voltage Type DC
- Input Voltage Range -48 V DC to -60 V DC
- Output Voltage 12 V DC
- Output Power 300 W
Miscellaneous
Compatibility-
- Cisco Catalyst 4900 Switch
- Cisco Catalyst 4948 Switch





