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Cisco NIM-2FXS/4FXOP Expansion Module
Cisco NIM-2FXS/4FXOP Expansion Module — photo 2
Cisco NIM-2FXS/4FXOP Expansion Module — photo 3

Cisco SKU NIM-2FXS/4FXOP

Cisco NIM-2FXS/4FXOP Expansion Module

Expansion module FXS/DID x 2 + FXO x 4 for ISR 4221 4321 4331 4351 4431

$1,198.00

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  • Free US shipping on orders over $300
  • Manufacturer warranty
  • 30-day returns on unopened items

The 4000 Series has three integrated NIM slots that support online insertion and removal, reducing downtime for new or replacement modules. The NIMs have a dedicated DSP used for TDM analog voice services. The NIM-2FXS/4FXOP is a 2-Port FXS/FXS-E/DID and 4-Port FXO Network Interface Module.

Product FamilyCisco Voice NIM
Product TypeAnalog Voice Interface Module
Supported DevicesCisco 4300 and 4400 Series ISRs
Ports2 x FXS (or DID), 4 x FXO
Form FactorSingle-wide NIM Slot
Connectivity TechnologyWired (Analog Voice over TDM)
DSPIntegrated onboard DSP
Number of Ports2 x FXS/FXS-E/DID + 4 x FXO
Software CompatibilityIOS XE 16.5 or later
DSP FeaturesEcho cancellation (128ms), VAD, CNG, T.38 fax relay, modem passthrough
Protocol SupportSCCP, SIP, MGCP, H.323
Audio Codec SupportG.711, G.729a, G.726, G.723, iSAC (transcoding), iLBC (planned)
Caller ID SupportYes (FXS and FXO only)
Loop/Ground StartFXO supports both modes
Message Waiting IndicatorYes
Weight0.52 lb (236 g)
ComplianceTIA-968-B, CS-03, AS/CA S002, S003, PTC220, TBR21
—No additional accessories included in the box
RACK-MOUNT-KITStandard rack-mount accessories for ISR 4000 Series
CISCO-SM-NIM-CARRIERNIM carrier module for SM-X slot compatibility
CAB-CONSOLE-RJ45RJ45 console cable for CLI configuration

The 4000 Series has three integrated NIM slots that support online insertion and removal, reducing downtime for new or replacement modules. The NIMs have a dedicated DSP used for TDM analog voice services. The NIM-2FXS/4FXOP is a 2-Port FXS/FXS-E/DID and 4-Port FXO Network Interface Module.

Key Features

  • # of total ports: 6
  • ISR G2 comparison: VIC2-4FXO and VIC3-2FXS/DID
  • For ISR 4000 series

The tabs contain the Cisco NIM-2FXS/4FXOP datasheet with all the specifics you need.

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