Cisco Systems OL-5965-01 warranty Information, see the Cisco 2800 Series and Cisco

Technical Specifications

Table 3		Cisco 3845 Router Specifications
Specification			Value
Dimensions (H x W x D)			5.25 x 17.25 x 16.0 in. (13.3 x 43.8 x 40.6 cm)
			3 rack unit height
Weight (minimum)			45 lb (20 kg)
AC input power
•	Input voltage		100–240 VAC, autoranging
•	Frequency		47–63 Hz
•	Input current		4 A (8 A for IP phone support) at 110 V
			2 A (4 A for IP phone support) at 230 V
•	Inrush surge current		50 A maximum, one cycle (–48V IP phone power
			included)
DC input power
•	Input voltage		24–60 VDC, positive or negative, autoranging
•	Input current		18 A at 24 V; 7 A at 60 V
•	Inrush surge current		50 A maximum, <10 ms
Power dissipation
(maximum)
•	AC without		435 W (1485 BTU/hr)
	IP phone support

•AC with

IP phone support:

–	System only	555 W (1890 BTU/hr)
–	IP phones	360 W (1230 BTU/hr)
• DC		460 W (1570 BTU/hr)
Console and auxiliary ports		RJ-45 connector
Operating temperature		32 to 104°F (0 to 40°C)
Nonoperating temperature		-40 to 185°F (-40 to 85°C)
Operating humidity		5–95%, noncondensing
Operating altitude		Up to 6,500 ft (2,000 m); derate 1°C per 1,000 ft
Noise level		56 dBA typical, 58 dBA maximum
EMC compliance		FCC Part 15 Class A. For additional compliance
		information, see the Cisco 2800 Series and Cisco 3800
		Series Integrated Services Routers Regulatory
		Compliance and Safety Information document.
Safety compliance		UL 60950; CAN/CSA C22.2 No. 60950-00;
		EN 60950; AS/NZS 3260. For additional compliance
		information, see the Cisco 2800 Series and Cisco 3800
		Series Integrated Services Routers Regulatory
		Compliance and Safety Information document.

Overview of Cisco 3800 Series Routers

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