The 34-1977-03 Cisco 48 Volt IP Phone Adapter is a device that provides power to Cisco IP phones, allowing them to operate without the need for an external power supply. This adapter provides advanced configuration options that can be used to customize its functionality and settings.
- PoE Mode: The 34-1977-03 Cisco 48 Volt IP Phone Adapter supports both standard PoE (Power over Ethernet) and Cisco Enhanced PoE (ePoE) modes. The ePoE mode allows for increased power to be delivered to the IP phone, making it useful for powering high-performance phones or devices with additional power requirements.
- Power Output: The 34-1977-03 Cisco 48 Volt IP Phone Adapter supports multiple power output options, including 15.4 watts, 25.5 watts, and 30 watts. This allows for the adapter to be configured to match the power requirements of the connected IP phone.
- VLAN Configuration: The 34-1977-03 Cisco 48 Volt IP Phone Adapter allows for VLAN (Virtual Local Area Network) configuration, which can be used to segment the network and improve security. This feature can be used to ensure that only authorized devices have access to the network.
- Quality of Service (QoS): The 34-1977-03 Cisco 48 Volt IP Phone Adapter supports QoS, which can be used to prioritize network traffic and ensure that voice and video traffic is given priority over other types of traffic. This helps to ensure that voice and video calls are of high quality and that there is minimal delay or jitter.
- Power Monitoring: The 34-1977-03 Cisco 48 Volt IP Phone Adapter includes power monitoring capabilities that can be used to track the power usage of the connected IP phone. This can be useful for identifying any potential power issues or for identifying devices that are using more power than expected.
- Remote Management: The 34-1977-03 Cisco 48 Volt IP Phone Adapter supports remote management, which allows for the device to be configured and managed remotely. This feature can be used to make changes to the device's settings or to troubleshoot issues without having to be physically present at the device's location.
The 34-1977-03 Cisco 48 Volt IP Phone Adapter is a power supply designed to provide power to Cisco IP phones. Proper maintenance and troubleshooting are important to ensure that the adapter continues to operate correctly and to prevent any potential issues.
Troubleshooting:
- Power LED: The power LED on the adapter should be on when the adapter is connected and properly functioning. If the LED is not on, check the connections and ensure that the adapter is properly plugged in.
- Power supply failure: If the adapter fails, it may need to be replaced. Contact Cisco support for assistance in troubleshooting and replacing the adapter.
- Error messages: If you receive error messages related to the adapter, refer to the Cisco IP phone documentation for troubleshooting steps and contact Cisco support if necessary.
- Phone malfunction: If the IP phone is not functioning properly, check to ensure that the adapter is properly connected and that the phone is properly configured.
Maintenance:
- Cleaning: It is important to keep the adapter clean and free of dust and debris. Use a soft brush or compressed air to remove any dust or debris that may have accumulated on the adapter.
- Firmware updates: Keep the adapter's firmware up to date by checking for and installing any available firmware updates.
- Power-cycling: Power-cycling the adapter by turning it off and then turning it back on can help to resolve some minor issues.
- Check the voltage: Make sure that the voltage level is appropriate as per the device requirements.
It's important to regularly check the adapter's performance and to perform regular maintenance to ensure that it continues to operate correctly and to prevent any potential issues. If you encounter any problems or have any concerns about the adapter, contact Cisco support for assistance.
Safety and Regulatory ComplianceThe 34-1977-03 Cisco 48 Volt IP Phone Adapter is a power supply designed to provide power to Cisco IP phones. It is important to ensure that the power supply complies with various safety and regulatory standards to ensure that it is a safe and reliable option for powering Cisco IP phones.
Safety Standards:
- UL 60950-1: The 34-1977-03 Cisco 48 Volt IP Phone Adapter complies with the UL 60950-1 safety standard, which is the standard for Information Technology Equipment (ITE) including power supplies. This standard is recognized by the Occupational Safety and Health Administration (OSHA) in the United States.
- IEC 60950-1: The 34-1977-03 Cisco 48 Volt IP Phone Adapter also complies with the IEC 60950-1 safety standard, which is the international standard for ITE including power supplies.
- RoHS: The 34-1977-03 Cisco 48 Volt IP Phone Adapter is compliant with the Restriction of Hazardous Substances (RoHS) directive, which limits the use of certain hazardous substances in electronic equipment.
Regulatory Standards:
- FCC Part 15 Class A: The 34-1977-03 Cisco 48 Volt IP Phone Adapter is compliant with the FCC Part 15 Class A standard for radio frequency interference (RFI) emissions.
- EN 55022 Class A: The 34-1977-03 Cisco 48 Volt IP Phone Adapter is compliant with the EN 55022 Class A standard for RFI emissions.
- CISPR 22 Class A: The 34-1977-03 Cisco 48 Volt IP Phone Adapter is compliant with the CISPR 22 Class A standard for RFI emissions.
- EN 61000-3-2 and EN 61000-3-3: The 34-1977-03 Cisco 48 Volt IP Phone Adapter is compliant with the EN 61000-3-2 and EN 61000-3-3 standards for harmonic and voltage fluctuations and flicker.
- Manufacturer: Cisco
- Part Number or SKU # 34-1977-03
- Product Name: IP Phone AC Power Supply
- Product Type: Power Supply
- Wattage : 48 volt
- Compatibility: For Ip Phone Adapter
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