/mcpTechnical Specifications Cisco 4461 Cisco 4451 Cisco 4431 Cisco 4351 Cisco 4331/ 4331-DC Cisco 4321 Cisco 4221(X) Power-supply options Internal: AC, DC and PoE Internal: AC, DC and PoE Internal: AC, DC, and PoE Internal: AC, DC and PoE Internal: AC and PoE, DC* (*4331-DC) External: AC and PoE External AC only Redundant power supply Internal: AC, DC and PoE Internal: AC, DC and PoE Internal: AC, DC, and PoE N/A N/A N/A NA Power Specifications AC input voltage 100 to 240 VAC autoranging 100 to 240 VAC autoranging 100 to 240 VAC autoranging 100 to 240 VAC autoranging 100 to 240 VAC autoranging 100 to 240 VAC autoranging 100 to 240 VAC autoranging DC Input Voltage Input Voltage Input Current
48 – 60V 12A Max
48 – 60V 12A Max
48 – 60V 12A Max
NA NA (4331-DC) 24 – 60V 14 - 5A
NA NA
NA NA AC input frequency 47 to 63 Hz 47 to 63 Hz 47 to 63 Hz 47 to 63 Hz 47 to 63 Hz 47 to 63 Hz 47 to 63 Hz AC input current range, AC power supply (maximum) 7.1 to 3.0A 7.1 to 3.0A 3 to 1.3A 7.1 to 3.0A 3 to 1.3A 1.5 to 0.6A 1.5 to 0.6A AC input surge current 60 A peak and less than 5 Arms per half cycle <50 A 60 A peak and less than 5 Arms per half cycle 60 A peak and less than 12 Arms per half cycle 60 A peak and less than 5 Arms per half cycle 90 A peak and less than 3 Arms per half cycle 90 A peak and less than 3 Arms per half cycle Typical power (no modules) (watts)
158 65 48 42 36 24 Maximum power with AC power supply (watts) 1000W (no PoE) 450 (no PoE) 250 (no PoE) 430 250 125 90 Maximum power with DC power supply (watts) 437 (no PoE) 437 (no PoE) 437 (no PoE) 437 (no PoE) 250 (no PoE) 4331-DC: PoE not supported