Cisco Cisco 4221 Integrated Services Router Data Sheet

 

 

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Data Sheet 

Cisco Multimode VDSL2 and ADSL2/2+ Network 
Interface Module 

The Cisco

®

 4000 Integrated Services Router Family Network Interface Module (NIM) 

supports VDSL2 and ADSL2/2+ on a single WAN interface. The solution provides a 
secure, cost-effective solution for customers ranging from teleworkers and small 
businesses to large enterprise branch offices. 

Product Overview 

The Cisco Multimode VDSL2 and ADSL2/2+ NIM (part number NIM-VAB-A) provides single-port multimode VDSL2 

and ADSL2/2+ WAN connectivity (Figure 1). 

Figure 1.    Single-Port NIM Supports VDSL2 and ADSL2/2+ for WAN Connectivity 

 

In combination with Cisco 4000 Integrated Services Routers (ISRs), this NIM provides high-speed digital data 

transmission between customer premises equipment (CPE) and the central-office DSL access multiplexer 

(DSLAM), usually located on the telephone company premises. Service providers and resellers can offer additional 

services such as business-class security; voice, video, and data; differentiated classes of service (CoS); and 

managed network access with Cisco IOS

®

 Software over existing telephony infrastructure. 

With Cisco IOS XE Software Release 3.14 and later releases, the single-port multimode VDSL2 and ADSL2/2+ 

NIM is supported on the following Cisco 4000 routers: Cisco 4321, 4331, 4351, 4431, and 4451. 

DSL Specifications 

Tables 1 through 4 list the DSL feature specifications and DSLAM interoperability support for the Cisco Multimode 

VDSL2 and ADSL2/2+ NIM WAN card. For more information and details about DSLAM and NIM interoperability, 

please refer to the following document: 

. Table 5 lists the product dimensions. 

DSL Features Specifications 

●  Broadcom chipset 
●  One RJ-11 VDSL2 interface 
●  Dying gasp 
●  IEEE 802.1q VLAN tagging 
●  Independent DSL firmware loading