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Cisco NIM-4FXO= Module : 4FXO Ports For PSTN Connectivity & VoIP Integration Cisco Module

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Cisco NIM-4FXO= Module : 4FXO Ports For PSTN Connectivity & VoIP Integration Cisco Module

Name: Cisco NIM4FXO Module 4FXO Ports For PSTN Connectivity amp VoIP Integration Cisco Module
Brand: Cisco
Price: 1 USD

Brand Name : Cisco

Model Number : NIM-4FXO=

Max Poe Power : 740W

Product Power Consumption : 60W

Warranty : Limited Lifetime Warranty

Number Of Ports : 1-4

Product Speed : 10Gbps

Product Features : Module

Storage Humidity : 5 to 95%

Usage : For data transfer and power supply

Supported Protocols : TCP/IP, UDP, ICMP

Certifications : RoHS, UL, CE, etc.

Product Dimensions : 17.3 x 1.7 x 17.3 inches

Switch Capacity : 176Gbps

Product Size : 10cm x 5cm x 2cm

Forwarding Rate : 720 Mpps

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Cisco NIM-4FXO= Module : 4FXO Ports For PSTN Connectivity & VoIP Integration Cisco Module

The Cisco NIM-4FXO= is a high-density Network Interface Module (NIM) designed for ISR 4000 series routers, providing 4 FXO (Foreign Exchange Office) ports to seamlessly integrate PSTN (Public Switched Telephone Network) lines with modern VoIP (Voice over IP) systems. Ideal for businesses transitioning from analog to IP telephony, this module ensures reliable voice connectivity, cost-effective migration, and hybrid communication flexibility.

Key Features & Benefits

✔ 4 FXO Ports – Connect traditional PSTN lines to Cisco UC systems for hybrid deployments.
✔ Seamless VoIP Integration – Works with Cisco Unified Communications Manager (CUCM) and Cisco IOS XE for unified voice management.
✔ PSTN Backup Support – Ensures business continuity by switching to analog lines during IP network outages.
✔ Fax & Modem Compatibility – Supports G.711/G.729 codecs for clear voice and legacy fax/modem communication.
✔ Hot-Swappable & Compact – Fits into ISR 4000 series routers (e.g., 4321, 4331, 4351) without extra power or space requirements.

Technical Specifications (Parameters Table)

Feature	Specification
Ports	4 FXO (RJ-11)
Compatibility	Cisco ISR 4000 & ISR G2 (2900/3900)
Codecs Supported	G.711, G.729, T.38 (Fax)
Call Features	Caller ID, DTMF, Call Progress Tones
Power	Powered via router slot (no external PSU)
Dimensions	Standard NIM form factor

Why Choose the Cisco NIM-4FXO= Module?

Cost-Effective Migration – Retain PSTN lines while moving to VoIP, reducing upfront costs.
High Reliability – Enterprise-grade hardware with Cisco’s proven voice performance.
Easy Deployment – Plug-and-play installation with Cisco IOS XE CLI or GUI management.

Ideal for branch offices, call centers, and enterprises needing PSTN backup, fax support, or hybrid telephony, the Cisco NIM-4FXO= ensures smooth integration of legacy and IP communications.

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