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Cisco Network Interface Module - Expansion Module - FXS/DID X 2 + FXO X 4 - For Integrated Services Router 4221, 4321, 4331, 4351, 4431 - NIM-2FXS/4FXOP=

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$2,010.38 $1,118.58
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Out of Stock.

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$2,010.38 $1,118.58
(You save $891.80 )
Currently out of stock, pre-order may be available

Operating Systems Supported:
Cisco IOS XE 16.5 and above
Device Type:
Expansion module
Product Line:
Cisco Network Interface Module
Connectivity Type:

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  • Capable of supporting either FXS or DID functionality
  • Configurable long loop ports
  • Message waiting indicator (MWI)
  • Cable detection
  • Supports both ground start and loop start modes
  • Provides call detail record (CDR) information
  • Support for interworking with Cisco Unified Communications Manager, H.323, Session Initiation Protocol (SIP) and Media Gateway Control Protocol (MGCP) 1.0
  • Cable detection
  • Overload protection

The Cisco 4000 series Integrated Services Routers (ISRs) host the Cisco network interface modules (NIMs), which have evolved from the enhanced high-speed WAN interface card (EHWIC), increasing port density and module capability. The NIMs support online insertion and removal (OIR), reducing the downtime required for new or replacement modules.

Specs Overview

Detailed Specs