Datasheet

Data Sheet
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 3 of 12
Architectural Feature Benefits
Optional Integrated
Power Supply for
Distribution of Power
Over Ethernet (PoE)
An optional upgrade to the internal power supply provides in-line power (802.3af-compliant Power-over-Ethernet
[PoE] and Cisco standard inline power) to optional integrated switch modules.
Integrated Wireless LAN
The Cisco 1941 offers a secure integrated access point in a single device.
Integrated access point is based on the IEEE 802.11n draft 2.0 standard that uses MIMO (Multi-Input, Multiple-output)
to improve coverage for existing 802.11a/ b/g clients and new 802.11n clients.
The Cisco 1941 supports dual radios—802.11 b/g/n and 802.11a/n and is capable of operating in both autonomous
and unified modes.
Modularity Features and Benefits
The Cisco 1941 provides significantly enhanced modular capabilities (refer to Table 2) offering investment protection
for customers. Most of the modules available on previous generations of Cisco routers, such as the Cisco 1841 ISR,
are supported on the Cisco 1941. Additionally, modules used on the Cisco 1941 can easily be interchanged with
other Cisco routers to provide maximum investment protection. Taking advantage of common interface cards across
a network greatly reduces the complexity of managing inventory requirements, implementing large network rollouts,
and maintaining configurations across a variety of branch-office sizes.
A complete list of supported modules is available at
http://www.cisco.com/go/1941.
Table 3. Modularity—Features and Benefits
Feature Benefits
Cisco Enhanced High Speed WAN
Interface Card (EHWIC)
The EHWIC slot replaces the high-speed WAN interface card (HWIC) slot and can natively support
HWICs, WAN interface cards (WICs), voice interface cards (VICs), and voice/WAN interface cards
(VWICs)
Two integrated EHWIC slots are available on the Cisco 1941 for flexible configurations for support of two
modules: One double wide HWIC-D or single wide EHWIC/HWIC module and a second single wide E-
HIC/HWIC module are supported
Each HWIC Slot offers high data throughput capability
Up to 1.6 Gbps aggregate towards the router processor
Up to 2 Gbps aggregate to other module slots over MultiGigabit Fabric (MGF)
Cisco Internal Services Module
(ISM)
A single ISM Slot provides flexibility to integrate intelligent services modules that do not require interface
ports.
ISM replaces the Advanced Integration Module (AIM) slot, existing AIM modules are not supported in the
ISM slot
Each ISM Slot offers high data throughput capability
Up to 4 Gbps aggregate towards the router processor
Up to 2 Gbps aggregate to other module slots over MultiGigabit Fabric (MGF)
Power to ISM slots can be managed by extensions similar to the Cisco EnergyWise framework, allowing
organizations to reduce energy consumption in their network infrastructure. Full EnergyWise support will
be available in future software releases.
Note: The Cisco 1941 cannot have ISM and WLAN on the same chassis. Please refer to ordering information
for WLAN SKUs.
Compact Flash Slots
Two external Compact Flash slots are available on the Cisco 1941. Each slot can support high-speed
storage densities upgradeable to 4GB in density.
USB 2.0 Ports
Two high-speed USB 2.0 ports are supported. The USB ports enable another mechanism secure token
capabilities and storage.
Cisco IOS Software
The Cisco 1941 Series Integrated Services Routers deliver innovative technologies running on industry-leading
Cisco IOS Software. Developed for wide deployment in the world’s most demanding enterprise, access, and service
provider networks, Cisco IOS Software Release 15 M & T provides support for a comprehensive portfolio of Cisco
technologies, including new functionality and features delivered in Releases 12.4 and 12.4T, and new innovations
that span multiple technology areas, including security, voice, high availability, IP Routing and Multicast, quality of
service (QoS), IP Mobility, Multiprotocol Label Switching (MPLS), VPNs, and embedded management.