Cisco WS-C2950-24 Hardware Installation Guide - Page 58
Power, Ports, Environmental, Transportation and Storage, Acoustic, Regulatory, Description
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Specifications Chapter 1 Overview of the Routers Table 1-16 Cisco 2921 Router Specifications (continued) Description Specification With DC PS (w/o modules) NA Weight (fully configured) 34 lb, 14.42 kg Power AC input power • Input voltage 100 to 240 VAC, autoranging • Frequency 47 to 63 Hz • Input current 0.4 A to 3.3 A (configuration dependent) • Input current with AC-POE 0.4 A to 7.6 A (configuration dependent) • Surge current 60 A peak and less than 12 Arms per half cycle Power consumption 75 W to 320 W, 256 to 1092 BTU/hr (configuration dependent) • With AC-POE 80W to 750 W, 273 to 753 BTU/hr (configuration dependent) Ports Console ports One RJ-45 connector and one mini USB Type B, USB 2.0 compliant Auxiliary port USB ports RJ-45 connector Two USB Type A, USB 2.0 compliant, 2.5 W (500 mA) max.1 10/100/1000 Gigabit Ethernet Three RJ-45 connectors (GE0/0, GE0/1, GE0/2), auto-MDIX SFP One RJ-45 connector supports an SFP module. When an SFP module is installed, the adjacent RJ-45 GE connector is disabled. Environmental Operating humidity 10 to 85% RH Operating temperature up to 5906 32 to 104° F (0 to 40° C) ft (1800 m) elevation Operating temperature up to 9843 32 to 104° F (0 to 40° C) ft (3000 m) elevation Operating altitude 9842 ft (3000 m) maximum Transportation and Storage Nonoperating temperature -40 to 158° F (-40 to 70° C) Nonoperating humidity 5 to 95% RH Nonoperating altitude 15,000 ft (4570 m) Acoustic Acoustic: Sound Pressure (Typical/Maximum) 54.4 to 67.4 dBA Acoustic: Sound Power (Typical/Maximum) 62.6 to 74.5 dBA Regulatory 1-38 Cisco 2900 Series and 3900 Series Hardware Installation Guide OL-18712-02