Technical Specifications
14
Overview of Cisco 3800 Series Routers
OL-5966-01
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
• Frequency
• Input current
• Inrush surge current
100–240 VAC, autoranging
47–63 Hz
4 A (8 A for IP phone support) at 110 V
2 A (4 A for IP phone support) at 230 V
50 A maximum, one cycle (–48V IP phone power
included)
DC input power
• Input voltage
• Input current
• Inrush surge current
24–60 VDC, positive or negative, autoranging
18 A at 24 V; 7 A at 60 V
50 A maximum, <10 ms
Power dissipation
(maximum)
• AC without
IP phone support
• AC with
IP phone support:
–
System only
–
IP phones
• DC
435 W (1485 BTU/hr)
555 W (1890 BTU/hr)
360 W (1230 BTU/hr)
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.
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