The Specs

Height 1.87 in
Width 13.5 in
Depth 10.8 in
Additional Specifications
Frequency Band Interface Card Slots:Both slots on the Cisco 1841 router are HWIC slots and provide compatibility with WICs and multiflex trunk (VWICs) interface cards (for data only)WAN Interface Card:T1 Data Service Unit/Channel Service Unit (CSU/DSU) WAN interface card provides full or fractional T1 serviceIt does not provide channelized T1 or ISDN PRIVoIP support:Voice-over-IP (VoIP) pass-through onlyOperating altitude:10,000 feet (3000 meters) @ 77F (25C)Noise level:Normal operating temperature:<78 F/25.6C : 34 dBA>78F/25.6C through <104F/40C: 37 dBA>104F/40C: 42 dBA
Number of Total Expansion Slots 3
Management Cisco Router and Security Device Manager (SDM) Command-Line Interface (CLI) CiscoWorks Cisco AutoInstall Simple Network Management Protocol (SNMP)
Speeds Supported 1 Gbps
normalized-Weight 96
Network Protocol Supported DHCP|DNS|FTP|HTTP|SMTP (Simple Mail Transfer Protocol)|SNMP|TCP/IP|Telnet
Modules 1 x WIC-1DSU-T1-V2 WAN Interface Card (WIC)
Management Port Yes
Temperature -4F (-20C) to 149F (65C) Non-operating
Thermal Dissipation 153 BTU/h @
Total Number of Ports 2
Humidity 5% to 95% Non-condensing Non-operating
Network Status Indicators Activity Status|Link Status|Power|WAN
Features DHCP Client Functinality|Integrated Firewall|IP Routing|IPSec|NAT|Uplink|VoIP
Power Consumption 50 W Maximum
Number of Network (RJ-45) Ports 2
normalized-Height 47.498
Product Model 1841
Input Current 1.50 A
Product Series 1800
Brand Name Cisco
Quick Glance
Number of Network Ports 2
Network Architecture Supported Yes Ethernet (10/100 Mbps)
Form Factor Desktop|Rack-mountable
Warranty Information 1 Year Limited
Weight 6.00 lbs
Dimensions 1.73" Height x 13.50" Width x 10.80" Depth|1.87" Height x 13.50" Width x 10.80" Depth
More Info
Installed Main Memory 128 MB
Installed Flash Memory 32 MB
Interfaces 2 x RJ-45 10/100Base-TX LAN|1 x Console Management|1 x Auxiliary Management|1 x USB

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