Cisco ASR-920-20SZ-M Manuals

Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide First Published: 2018-09-10 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883

Replace the Power Supply Before you begin this task, ensure that you have read and understood the safety warnings in the Safety with Electricity section of the Safety Warnings handout topic. The Cisco ASR-920-20SZ-M Router power supplies are hot-swappable. If you have installed redundant power supplies, you can replace a single power supply without interrupting power to the router. Note To avoid erroneous failure messages, allow at least 2 minutes for the system to reinitialize after a power supply has been removed or replaced. Caution You can replace the AC or the DC power supply. • Remove the DC Power Supply, on page 1 • Remove the AC Power Supply, on page 3 Remove the DC Power Supply This equipment is suitable for installation in Network Telecommunications Facilities and locations where the NEC applies. The equipment is suitable for installation as part of the Common Bonding Network (CBN). Note The grounding architecture of this product is DC-isolated (DC-I) for DC-powered products. DC-powered products have a nominal operating DC voltage of 48 VDC. Minimal steady state DC operating voltage is 19.2 VDC. Caution Replace the Power Supply 1