Cisco 1941 Integrated Services Router

The Cisco 1941 is the larger router in the Cisco 1900 Series and builds on the Cisco 1841. It comes as the 1941 and as the 1941W, which adds a dual-radio 802.11 a/b/g/n access point that runs in autonomous or unified mode. The 1941W ships in regional versions for the FCC, ETSI, Japan, China, Israel, Australia and New Zealand, and Brazil and Taiwan. The chassis is two rack units tall and ships with 19-inch rack-mount brackets. Both onboard 10/100/1000 ports are RJ-45, and there are no SFP ports.

Two EHWIC slots hold one double-wide HWIC-D, or one single-wide EHWIC or HWIC plus a second single-wide card. Existing single-wide EtherSwitch HWICs and double-wide HWIC-D modules are supported, and the router holds up to two EHWIC-1GE-SFP-CU cards. A single ISM slot, absent on the 1941W, hosts the Services Ready Engine module ISM-SRE-300-K9. DRAM ships at 512 MB soldered to the board and goes to 2.0 GB with 512 MB, 1 GB or 2 GB DIMMs. Two external compact flash slots start with a 256 MB card in slot 0 and each go to 4 GB. Two USB 2.0 Type A ports and a USB console port are fitted.

Power is an internal AC supply, PWR-1941-AC, or the PoE version, PWR-1941-POE, which gives switch modules up to 80 W for endpoints. There is no DC supply and no redundant power. Onboard hardware accelerates IPsec. The router runs Cisco IOS Software with one Universal image, IP Base is on from the start, and the Security license (SEC or SEC-NPE) and the AppX license, which covers the Data feature set, Application Visibility and Control and Cisco WAAS, are activated separately. Concurrent services run on WAN links up to 25 Mbps. The smaller Cisco 1921, the older Cisco 1841 and the Cisco 2911 each have a page, and further gear is under networking.

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Cisco 1941 parts we supply

Routers (8)

• CISCO1941/K9: Cisco 1941, 2 onboard GE, 2 EHWIC slots, 1 ISM slot, 256 MB CF, 512 MB DRAM, IP Base
• CISCO1941W-A/K9: Cisco 1941W, 802.11 a/b/g/n, FCC
• CISCO1941W-E/K9: Cisco 1941W, 802.11 a/b/g/n, ETSI
• CISCO1941W-P/K9: Cisco 1941W, 802.11 a/b/g/n, Japan
• CISCO1941W-N/K9: Cisco 1941W, 802.11 a/b/g/n, Australia, New Zealand and Singapore
• CISCO1941W-C/K9: Cisco 1941W, 802.11 a/b/g/n, China
• CISCO1941W-I/K9: Cisco 1941W, 802.11 a/b/g/n, Israel
• CISCO1941W-T/K9: Cisco 1941W, 802.11 a/b/g/n, Brazil and Taiwan

Interface cards and service module (3)

• EHWIC-1GE-SFP-CU: 1-port dual-mode SFP or copper Gigabit Ethernet EHWIC
• ISM-SRE-300-K9: Services Ready Engine 300 internal service module
• HWIC-BLANK-KIT=: Blank faceplate for HWIC slot with divider, Cisco 1941 (spare)

Memory and compact flash (11)

• MEM-1900-512U1GB: 512 MB to 1 GB DRAM upgrade, Cisco 1941
• MEM-1900-512U1.5GB: 512 MB to 1.5 GB DRAM upgrade, Cisco 1941
• MEM-1900-512U2.5GB: 512 MB to 2.5 GB DRAM upgrade, Cisco 1941
• MEM-1900-512MB=: 512 MB DRAM, Cisco 1941 and 1941W (spare)
• MEM-1900-1GB=: 1 GB DRAM, Cisco 1941 and 1941W (spare)
• MEM-1900-2GB=: 2 GB DRAM, Cisco 1941 and 1941W (spare)
• MEM-CF-256MB: 256 MB compact flash, Cisco 1900, 2900 and 3900 ISR (default)
• MEM-CF-256U512MB: 256 MB to 512 MB compact flash upgrade
• MEM-CF-256U1GB: 256 MB to 1 GB compact flash upgrade
• MEM-CF-256U2GB: 256 MB to 2 GB compact flash upgrade
• MEM-CF-256U4GB: 256 MB to 4 GB compact flash upgrade

Power and cooling (3)

• PWR-1941-AC: Cisco 1941 AC power supply
• PWR-1941-POE: Cisco 1941 AC power supply with Power over Ethernet
• 1941-2901-FANBLWR=: Cisco 1941 and 2901 fan blower assembly (spare)

Software licenses (4)

• SL-19-IPB-K9: IP Base license for the Cisco 1941 and 1921
• SL-19-DATA-K9: Data license for the Cisco 1941 and 1921
• SL-19-SEC-K9: Security license for the Cisco 1941 and 1921
• SL-19-SECNPE-K9: Security No Payload Encryption license for the Cisco 1941 and 1921