Redback Networks PS-1K-DC DC Power Supply Module for the SMS 1000 Series

Overview
The Redback Networks PS-1K-DC is a high efficiency DC power supply module designed specifically for the SMS 1000 Series. This compact, hot-swap ready unit delivers reliable 48 VDC power to critical network equipment, ensuring continuous operation in demanding carrier and enterprise environments. Its robust construction and intelligent monitoring features make it an ideal choice for service providers seeking low maintenance and high uptime.

Key Features

• Input voltage range 90 to 264 VAC, supporting worldwide deployment
• Output: 48 VDC regulated, up to 20 A continuous current
• Efficiency greater than 90 percent, reducing heat and operating cost
• Hot-swap capable design for zero-downtime replacement
• Built-in diagnostics and alarm thresholds for voltage, current and temperature
• Compact 1U rackmount form factor, saving valuable space
• Compliance with FCC, CE and RoHS standards

Technical Specifications

• Model number: PS-1K-DC
• Input voltage: 90 - 264 VAC, 50/60 Hz
• Output voltage: 48 VDC ± 5 percent
• Maximum output current: 20 A
• Power rating: 960 W
• Efficiency: > 90 percent at full load
• Operating temperature: 0 to 50 deg C
• Storage temperature: -40 to 85 deg C
• Dimensions: 1.75 in (H) x 17.5 in (W) x 1.5 in (D)
• Weight: 7.5 lb

Applications
The PS-1K-DC is suited for a wide range of telecom and data networking scenarios, including:

• Carrier grade routers and switches in the SMS 1000 Series
• Edge and aggregation nodes in metro networks
• Remote base station power feeding
• Enterprise core and distribution layer equipment
• Backup power systems where efficient DC conversion is required

By delivering stable, high-current DC power in a space-saving package, the Redback Networks PS-1K-DC helps operators maintain service quality while minimizing power costs and operational complexity.