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by Cisco
Product Line: Cisco Power Supply Units (PSUs)
Product Type: Low-Input DC Power Supply
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Original price $0.00 - Original price $0.00
Original price
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Title: Surplus

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Product Description

The PWR-RGD-LOW-DC Cisco is designed with a 150W wattage and supports a rated nominal input operating range of DC 24-60V/10A, with an extended supported input voltage operating range of DC 18-75V, catering to low voltage DC power sources in hazardous locations for PoE power applications. It features 1-GB DRAM, 256-MB onboard flash memory, and a 1-GB removable SD flash memory card, alongside connectivity options including a mini-USB connector and GPS antenna interface, with provisions for future software support for analog and digital timing interfaces. The device measures 1.75 in. (4.45 cm) in height, 17.5 in. (44.5 cm) in width, and 14.0 in. (35.6 cm) to 15.18 in. (38.56 cm) in depth, depending on the model, supporting a maximum power consumption of 90W excluding PoE consumption and offers forwarding and switching bandwidths up to 64Gbps and 128Gbps respectively, for efficient network performance.

Key Feature for the PWR-RGD-LOW-DC

  • What is the wattage rating of the hardware?
    The hardware has a wattage rating of 150W.
  • What input voltage range does PWR-RGD-LOW-DC-H support?
    It supports a rated nominal input operating range of DC 24-60V/10A and a supported input voltage operating range of DC 18-75V.
  • Is PoE/PoE+ supported on this device?
    Yes, the device supports PoE/PoE+.
  • In what type of environment is PWR-RGD-AC-DC-H most suitable?
    It is best suited for low voltage DC power source applications in hazardous locations requiring PoE power.
  • What are the hardware specifications?
    The hardware includes 1-GB DRAM, 256-MB onboard flash memory, 1-GB removable SD flash memory card, Mini-USB connector, GPS antenna interface, Analog and Digital Timing I/O interfaces, and Alarm I/O.
  • What are the dimensions and weight of PWR-RGD-AC-DC-250 without a power supply?
    Dimensions are 1.75 in. (H) x 17.5 in. (W) x 15.18 in. (D) with a weight of 13.7 lb (6.21 kg).
  • How much power does the hardware consume?
    The maximum power consumption is 90W, excluding PoE consumption.
  • What is the part number for a spare SD card?
    The part number for a spare SD card is SD-IE-1GB=.
  • What is the forwarding and switching bandwidth of IE-5000-16S12P?
    The forwarding bandwidth is 28Gbps with a switching bandwidth of 56Gbps.
  • How many egress queues are available?
    There are 4 egress queues available.

Product Review

The Cisco PWR-RGD-LOW-DC offers a flexible input voltage range from DC 18-75V, catering to various power supply needs, and supports PoE/PoE+ for powering devices in hazardous locations. Its design includes 1-GB DRAM, 256-MB onboard flash memory, and additional storage through a 1-GB removable SD flash memory card, enhancing its functionality and reliability for demanding network environments. However, the requirement for future software support for GPS antenna input and timing interfaces may delay full utilization of its capabilities for specific applications requiring precise timing and location data.


The Cisco PWR-RGD-LOW-DC is a specialized networking hardware component designed to provide a reliable low voltage DC power source for PoE (Power over Ethernet) and PoE+ applications, particularly in hazardous locations. This device is built to support a broad range of input voltages from DC 18-75V, making it versatile for various industrial settings. With a nominal input operating range of DC 24-60V/10A, it is equipped to handle demanding power requirements efficiently. With a wattage capability of 150W, the PWR-RGD-LOW-DC ensures sufficient power supply for connected devices, supporting the operation of critical networking equipment without interruption. It is specifically engineered to meet the needs of environments requiring a stable and secure power source, highlighting its importance in maintaining network reliability and performance. The hardware specifications of the PWR-RGD-LOW-DC include 1-GB DRAM and 256-MB of onboard flash memory, providing adequate memory resources for its operation. Additionally, it comes with a 1-GB removable SD flash memory card, offering flexibility for memory expansion and management. Connectivity options are broad with a mini-USB connector for local management and a GPS antenna interface, which, along with the Analog Timing I/O interface and Digital Timing I/O interface, is poised for future software support enhancements. Alarm I/O capabilities are robust, featuring four alarm inputs to detect open or closed dry contact and one Form C alarm output relay for comprehensive monitoring and alerting functionalities. This feature is crucial for maintaining the integrity and security of the power supply in environments where immediate response to electrical faults or irregularities is essential. Dimensions of the PWR-RGD-LOW-DC are standardized for 1 RU (rack unit) height installations, ensuring compatibility with existing rack configurations. It measures 1.75 inches in height, 17.5 inches in width, and has a depth that varies between 14.0 inches and 15.18 inches depending on the specific model, accommodating different spatial requirements without compromising performance.
  • Weight without Power Supply: 13.7 lb (6.21 kg), facilitating easy installation and maintenance.
  • Power consumption is capped at a maximum of 90W, excluding PoE consumption, ensuring energy efficiency.
  • Accessories include a spare SD card (SD-IE-1GB=), enhancing storage capacity and backup functionalities.
The forwarding bandwidth capability ranges from 28Gbps to 64Gbps, and the switching bandwidth doubles that, from 56Gbps to 128Gbps, depending on the model. This ensures high-speed data transfer and non-blocking performance critical for industrial applications. With four egress queues, it supports efficient traffic prioritization, essential for maintaining quality of service (QoS) in network deployments. In summary, the Cisco PWR-RGD-LOW-DC is a dedicated power supply unit designed to meet the rigorous demands of powering network equipment in hazardous environments. Its comprehensive feature set, including versatile power input range, significant memory capacity, and advanced connectivity options, make it an indispensable component for industrial networking solutions.


Part Number and ManufacturerCisco PWR-RGD-LOW-DC
Power Output150 Watts
Standard Input VoltageDC 24-60V/10A
Acceptable Input Voltage RangeDC 18-75V
Support for PoE/PoE+Yes
Intended ApplicationLow voltage DC, suitable for hazardous environments requiring PoE
Memory1-GB DRAM
Internal Storage256-MB flash
Expandable Storage1-GB SD card slot
Interface OptionsMini-USB port
GPS CapabilityRequires future update - GPS antenna port
Analog Timing SupportFuture software support required - For IRIG analog signals
Digital Timing SupportFuture software support required - For IRIG-B TTL and similar standards
Alarm Interfaces4 input sensors, 1 output relay for alarms
Height1.75 in. (4.45 cm) - Fits 1 RU space
Width17.5 in. (44.5 cm) - Fits 1 RU space
Depth14.0 in. (35.6 cm) initially, 15.18 in. (38.56 cm) with PWR-RGD-AC-DC-250
Weight (without PSU)13.7 lb (6.21 kg)
Maximum Power Usage90W (excluding PoE load)
Available AccessorySD-IE-1GB= (Replacement SD card)
Data Processing Capacity28Gbps or 64Gbps - Line rate
Data Switching Capacity56Gbps or 128Gbps
Queue Support4 outbound queues

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