Description
Brand: Cisco
Series: Cisco ISR 4000 Series Network Interface Modules
Model: NIM-2FXS/4FXOP
Product Type: Analog Voice Network Interface Module
Device Type: 2-Port FXS and 4-Port FXO Voice Card
Ports / Interfaces:
2 x FXS (Foreign Exchange Subscriber) ports for analog phones/fax devices
4 x FXO (Foreign Exchange Office) ports for PSTN line connectivity
Compatibility: Designed for Cisco ISR 4000 Series routers (e.g., 4321, 4331, 4351, 4431, 4451) with three integrated NIM slots
Protocols / Features:
Supports analog voice, fax, and modem traffic
Provides PSTN connectivity and analog device integration
Compatible with Cisco Unified Communications Manager Express (CME) and Survivable Remote Site Telephony (SRST)
Integrated echo cancellation, QoS, and codec support
Form Factor: Plug-in module (NIM form factor)
Management: Managed via host router (Cisco IOS XE, CLI, SNMP, Cisco Prime)
Usage/Application: Enterprise voice gateways, branch office telephony, and hybrid PSTN/VoIP environments
Condition: Refurbished, tested and verified
Warranty: 30 Days Warranty
Categories
Refurbished Cisco Interface Cards
Cisco ISR 4000 Voice Modules
Enterprise Voice & Telephony Solutions
Analog PSTN Gateway Modules
Key Benefits
Combines both FXS and FXO ports for flexible analog voice deployment
Enables PSTN access while supporting analog phones and fax devices
Compatible with Cisco Unified Communications CME and SRST solutions
Refurbished, fully tested, and cost-effective for enterprise telephony needs
Final Notes
Product specifications may vary slightly based on stock.
For confirmation and support, please contact us at +91-96328 19991.
Our refurbished products are 3–4 years old, fully renewed, port-tested, and covered with a 30-day service warranty.
Note: Images are for reference only.



















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