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Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
OL-6425-03
Chapter 1 Overview
Specifications
• On the Cisco 1801, Cisco 1802, and Cisco 1803 routers, the Fast Ethernet LAN switch ports are
numbered FE 1 through FE 8. The FE 1 port is the lower port, farthest on the right (as viewed from
the rear of the router), and switch ports are numbered incrementally, FE 1 through FE 4, to the left
along the bottom row, and then incrementally, FE
5 through FE 8, to the left along the top row.
• The ADSL over POTS, ADSL over ISDN, G.SHDSL, ISDN S/T, and V.92 modem WAN ports are
all numbered port 0 of their various type.
• On the Cisco 1811 and Cisco 1812 routers, the USB 2.0 ports are numbers usb 0 and usb 1. The
usb
0 port is the lower of the two ports and usb 1 is the upper port.
Specifications
Table 1-5 provides the specifications for Cisco 1800 series fixed-configuration routers.
Ta b l e 1-5 Specifications for Cisco 1800 Series Fixed-Configuration Routers
Description Specification
Dimensions (W x D) 12.5 x 9.5 in. (31.75 x 24.13 cm)
Height without rubber feet: 1.73 in. (4.39 cm)
Height with rubber feet: 1.87 in. (4.75 cm)
Weight Maximum: 6.1 lb (2.8 kg)
AC input power
Input voltage
Frequency
Input current
Inrush surge current
74 W maximum
100 to 240 VAC
50 or 60 Hz
1.2 to 0.6 A
50 A maximum, one cycle (–48V power included)
Power dissipation (maximum) 153 BTU/hr
Console and auxiliary ports RJ-45 connector
Operating humidity 10 to 85% noncondensing operating; 5 to 95% noncondensing,
nonoperating
Operating temperature 32 to 104° F (0 to 40° C)
Nonoperating temperature –4 to 149° F (–20 to 65° C)
Noise level <78° F/25.6°C: 34 dBA
>78°F/25.6°C through <104°F/40°C: 37 dBA
>104°F/40°C: 42 dBA
Safety compliance UL 60950; CAN/CSA C22.2 No. 60950; IEC 60950-1;
EN
60950-1; AS/NZS 60950
For detailed compliance information, see the Regulatory
Compliance and Safety Information for Cisco 1800 Integrated
Services Routers (Fixed) document.
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