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Cisco 3700 Series Routers Hardware Installation Guide
OL-2180-08
Chapter 1 Overview of Cisco 3700 Series Routers
System Specifications
System Specifications
Table 1-4 and Table 1-5 list Cisco 3700 series system specifications.
Table 1-4 Cisco 3725 Router System Specifications
Description Specification
Dimensions (H x W x D) 3.5 x 17.1 x 15.0 in. (8.9 x 43.4 x 38.1 cm), 2-RU chassis height
Weight 14 lb (6.4 kg)
Input voltage, AC power supply
Frequency
Input surge current (AC)
100 to 240 VAC, autoranging
47–63 Hz
50 A maximum, one cycle (–48-V power module included)
Input rating, DC power supply
Input surge current (DC)
24–36 VDC, 9 A, positive or negative, operational from 18–36 VDC
36–60 VDC, 4 A, positive or negative, operational from 36–72 VDC
50 A, < 10 ms
Power dissipation 135 W (maximum)
Heat Dissipation 135W Maximum 460.661 BTU/hour, 495W Maximum 1689.089
BTU/hour
Console and auxiliary ports RJ-45 connector
Operating humidity 5–95%, noncondensing
Operating temperature 32–104°F (0–40°C)
Nonoperating temperature –40 to 162°F (–40 to 72°C)
Noise level 52 dBA (maximum)
Regulatory compliance FCC Part 15 Class A.
For additional compliance information, see the Cisco 2600 Series,
Cisco 3600 Series, and Cisco 3700 Series Regulatory Compliance
and Safety Information document that accompanied the router.
Safety compliance UL 60950; CAN/CSA C22.2 No. 60950-00; IEC 60950;
AS/NZS 3260; TS001
Table 1-5 Cisco 3745 Router System Specifications
Description Specification
Dimensions (H x W x D) 5.25 x 17.25 x 15.00 in. (13.3 x 43.8 x 38.1 cm), 3-RU chassis height
Weight 32 lb (14.5 kg), including chassis and four network modules
Input voltage, AC power
supply
Frequency
Input surge current (AC)
100–240 VAC, autoranging
47–63 Hz
80 A maximum, one cycle (–48-V power module included)
Input rating, DC power supply
Operational between
Input surge current (DC)
–48 to –60 VDC, 10 A maximum
–38 to –75 VDC, 10 A maximum
50 A, < 10 ms
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