capabilities offering investment protection for customers. Most of the modules
available on previous generations of Cisco routers, such as the Cisco 2800
Series, are supported on the Cisco 2900 Series. Additionally, modules can be
used on other supported Cisco platforms 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.
Modularity Features and Benefits
ISR Modules
|
Benefits
|
Cisco Service Module
|
● Each service module slot offers high-data-throughput
capability:
- Up to 4 Gbps aggregate toward the route processor.
- Up to 2 Gbps aggregate to other module slots over MGF.
● Service module (SM) slots are highly flexible with
support for double-wide service modules (SM-Ds), which are Service Modules that require two SM slots. SM-Ds in the Cisco 2921 and 2951 provide flexibility for higher-density modules.
● A service module slot replaces the network module and
the extension module for voice/fax (EVM) slots and is offered on Cisco 2911, 2921, and 2951 ISRs.
● An adapter module enables backward compatibility with
existing network modules, enhanced network modules (NMEs), and EVMs.
● Service module slots provide twice the power
capabilities relative to the network-module slots,
allowing for flexibility for higher-scale and better-
performance modules.
● Power to service module slots can be managed by
extensions similar to the Cisco EnergyWise framework,
so your organization can reduce energy consumption in
your network infrastructure. Full EnergyWise support
will be available in future software releases.
|
Cisco Enhanced
High-Speed WAN
Interface Card (EHWIC)
|
● The EHWIC slot provides enhancements to the prior
generation’s high-speed WAN interface card (HWIC) slots while provide maximum investment protection by
natively supporting HWICs, WAN interface cards (WICs),
voice interface cards (VICs), and voice/WAN interface
cards (VWICs).
● Four integrated EHWIC slots on the Cisco 2901, 2911,
2921, and 2951 allow for more flexible configurations.
● Each HWIC slot offers high-data-throughput capability:
- Up to 1.6 Gbps aggregate toward the route processor.
- Up to 2 Gbps aggregate to other module slots over the
MGF.
● Flexibility to support double-wide modules is enabled
by combining two EHWIC slots. Up to 2 doublewide HWIC (HWIC-D) modules are supported. |
Cisco Internal Services
Module (ISM)
|
● A single ISM slot provides flexibility to integrate
intelligent service modules on an internal slot
within the chassis
● Each ISM slot offers high-data-throughput capability:
- Up to 4 Gbps aggregate toward the route processor.
- Up to 2 Gbps aggregate to other module slots over the
MGF.
● The ISM replaces the AIM slot; existing AIM modules
are not supported in the ISM slot.
● Power to ISM slots can be managed by extensions
similar to the Cisco EnergyWise framework, so your organization can reduce energy consumption in your network infrastructure. Full EnergyWise support will
be available in future software releases.
|
Cisco High-Density
Packet Voice Digital Signal Processor
(DSP) Module
(PVDM3) Slots
on Motherboard |
● PVDM3 slots natively support PVDM3 modules, providing
support for richer density for rich-media voice and video.
● Each PVDM3 slot connects back to the system
architecture through a 2 Gbps aggregate link through the MGF.
● Investment protection for PVDM2 modules is supported
through an adapter module.
● Power to the PVDM slots can be managed by extensions
similar to the Cisco EnergyWise framework, so your
organization can reduce energy consumption in your
network infrastructure. Full EnergyWise support will be
available in future software releases.
|
Compact Flash Slots
|
● Two external Compact Flash slots are available on the
Cisco 2900 Series Integrated Services Routers. Each slot can support high-speed storage densities upgradeable
to 4 GB in density.
|
USB 2.0 Ports
|
● Two high-speed USB 2.0 ports are supported. The USB
ports enable secure token capabilities and storage. |
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