• Cisco A900-PWR900-D2 900W DC PSU with silver case and black handle
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Cisco

Cisco A900-PWR900-D2 | ASR 900 900W DC Dual Feed Power Supply, -40 to -72 VDC

A900-PWR900-D2

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Description

This hot-swappable 900W DC power supply module is designed for Cisco ASR 900 Series aggregation routers. It offers dual feed (A/B) inputs with a -40 to -72 VDC range, allowing connection to two separate DC sources for input redundancy. It suits telecom and service provider deployments where DC power is standard, and it can be mixed with AC power supplies within the same chassis.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Dual feed connects to two different DC sources for input redundancy
- Hot-swappable and field replaceable, operating separately from the fan tray
- Load-share operation: the system runs on one power supply, and two or more load-share
- AC and DC power supplies can be mixed in one chassis
- Power supply shuts down automatically when removed from the chassis
- LED indicators for input power status and power supply health

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- 900W DC power supply module
- Input voltage range: -40 VDC to -72 VDC, covering nominal -48/-60 VDC
- Dual feed: two separate DC input connections (A/B)
- 3-position terminal block connector (+24/48V, GRD, -24/48V) with positive latching
- Dual-hole lug accepting 8 AWG cable
- Hot-swappable and field replaceable, with no ON/OFF switch
- Rated to deliver 975W (approx. 81A) to other FRUs in the system
- Supports -40 to 65°C operating temperature in DC operation with the 900W power supply
- Dying Gasp is not supported on this power supply

FAQs

Q: What input voltage does the A900-PWR900-D2 accept?
A: It accepts a DC input range of -40 VDC to -72 VDC, which covers the nominal -48 VDC and -60 VDC supplies commonly used in telecom environments.

Q: What does dual feed mean on this power supply?
A: The module provides two separate DC input connections (A/B), so it can be connected to two different power sources to provide input redundancy.

Q: Which ASR 900 chassis is it compatible with?
A: It is used in the Cisco ASR 900 Series, including the ASR 903 and ASR 914 chassis. Confirm compatibility with your specific chassis model before ordering.

Q: Can I mix AC and DC power supplies in the same chassis?
A: Yes. AC and DC power supplies can be mixed in a single ASR 900 chassis, and the system load-shares across installed power supplies.

Q: Can this power supply be replaced while the router is running?
A: Yes. The module is hot-swappable and field replaceable, and it has no ON/OFF switch. It shuts down automatically when removed from the chassis.

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