NIM-4FXS - Cisco ISR 4000 Series Modules
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NIM-4FXS
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NIM-4FXS Overview
Cisco 4-Port Network Interface Module - FXS. FXS-E and DID, for ISR4451-X NIM-4FXS
Overview
NIM-4FXS is a Cisco 4-Port Network Interface Module - FXS. FXS-E and DID, for ISR4451-X. 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. Up to three integrated NIM slots on the 4000 Series allow for flexible configurations. The NIMs support online insertion and removal (OIR), reducing the downtime required for new or replacement modules.
The available modules include 2-port and 4-port foreign exchange station (FXS), direct inward dial (DID), foreign exchange office (FXO), a combination of 2-port FXS and 4-port FXO, 4-port ear and mouth (E/M), and 2-port and 4-port basic rate interface (BRI). The BRI cards support only voice features. The NIMs have a dedicated digital signal processor (DSP) that will be used for time-division multiplexing (TDM) analog voice services.
Quick Spec
SKU | NIM-4FXS |
Number of Ports | 4 |
ISR G2 comparison | VIC3-4FXS/DID |
Cisco IOS Release | XE3.13.4, XE3.14.3, XE3.15.1, XE3.16 and above |
Weight | 0.44 lb (200 g) |
The Supported Devices
SKU | Description |
ISR4451-X/K9 | 1-2G system throughtput, 4 WAN/LAN ports, 4 SFP ports, 10 Core CPU, Security, Voice, WAAS, Intelligrnt WAN, OnePK, AVC, separate control data and services CPUs |
1Gbps-2Gbps system throughtput, 4 WAN/LAN ports, 4 SFP ports, multi-Core CPU, Dual-power, Security, Voice, WAAS, Intelligrnt WAN, OnePK, AVC, separate control data and services CPUs | |
ISR4451-X-SEC/K9 | Cisco ISR 4451 Sec bundle w/SEC license |
Cisco ISR 4451 VSEC Bundle, PVDM4-64 w/ UC,SEC Lic,CUBE- 25 | |
Cisco ISR 4451 UC Bundle. PVDM4-64. UC Lic.CUBE25 | |
Cisco ISR 4451 AXV Bundle.PVDM4-64 w/APP.SEC.UC lic.CUBE-25 |
Compare to Similar Item
Part Number | Number of Ports | ISR G2 comparison | Cisco IOS Release | Weight |
NIM-2FXO | 2 | VIC2-2FXO | XE3.13.4, XE3.14.3, XE3.15.1, XE3.16 and above | 0.42 lb (191 g) |
4 | VIC2-4FXO | XE3.13.4, XE3.14.3, XE3.15.1, XE3.16 and above | 0.44 lb (200 g) | |
2 | VIC3-2FXS/DID | XE3.13.4, XE3.14.3, XE3.15.1, XE3.16 and above | 0.42 lb (191 g) | |
NIM-4FXS | 4 | VIC3-4FXS/DID | XE3.13.4, XE3.14.3, XE3.15.1, XE3.16 and above | 0.44 lb (200 g) |
NIM-2FXS/4FXO | 6 | VIC2-4FXO and VIC3-2FXS/DID | XE3.14.3, XE3.15.1, XE3.16 and above | 0.52 lb (236 g) |
NIM-2FXSP | 2 | VIC3-2FXS/DID | XE16.5 and above | 0.42 lb (191 g) |
NIM-4FXSP | 4 | VIC3-4FXS/DID | XE16.5 and above | 0.44 lb (200 g) |
NIM-2FXS/4FXOP | 6 | VIC2-4FXO and VIC3-2FXS/DID | XE16.5 and above | 0.52 lb (236 g) |
NIM-4E/M | 4 | VIC3-2E/M | XE3.14.3, XE3.15.1, XE3.16 and above | 0.44 lb (200 g) |
NIM-2BRI-NT/TE | 2 | VIC2-2BRI-NT/TE | XE3.14.3, XE3.15.1, XE3.16 and above | 0.42 lb (191 g) |
NIM-4BRI-NT/TE | 4 | VIC2-2BRI-NT/TE | XE3.14.3, XE3.15.1, XE3.16 and above | 0.44 lb (200 g) |
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Specification
NIM-4FXS Specification
NIM-4FXS Specification | |
Number of Ports | 4 |
ISR G2 comparison | VIC3-4FXS/DID |
Cisco IOS Release | XE3.13.4, XE3.14.3, XE3.15.1, XE3.16 and above |
Weight | 0.44 lb (200 g) |
Telnet or console | Remote and local configuration, monitoring, and troubleshooting from Cisco IOS XE Software command-line interface. |
Simple Network Management Protocol (SNMP) | ● Router and data service unit (DSU)/channel service unit (CSU) managed by single SNMP agent; router, DSU, and CSU appear as a single network entity to user ● Standard MIB (MIB II) ● Cisco Integrated DSU/CSU MIB ● RFC 1406 T1 MIB, including Alarm Detection and Reporting |
SNMP traps | Generated in response to alarms |
Standard | TIA-968-B (USA) CS-03 (Canada) AS/CA S003 (Australia) PTC220 (New Zealand) |
Emission | 47 CFR Part 15 CISPR22: Edition 6.0: 2008 CNS13438: 2006 EN 300 386 V1.6.1 EN 55022:2010 EN61000-3-2: 2006 [Inc amd 1 '&' 2] EN61000-3-3: 2008 ICES-003 Issue 5: 2012 KN 22: 2009 TCVN 7189: 2009 VCCI: V-3/2013.04 |
Immunity | CISPR24: 2010 EN 300 386 V1.6.1 EN55024: 2010 KN24: 2011 TCVN 7317: 2003 |
Frequently Asked Questions
What primary function does the Cisco NIM-4FXS module serve in an enterprise network? +
The Cisco NIM-4FXS is a Network Interface Module designed to provide four Foreign Exchange Station (FXS) ports. It enables your ISR 4000 series router to connect directly to analog devices such as traditional telephones, fax machines, or legacy PBX systems, facilitating seamless voice-over-IP (VoIP) integration within your existing voice infrastructure.
Which specific Cisco router models are compatible with the NIM-4FXS module? +
This module is specifically engineered for the Cisco ISR 4000 Series Integrated Services Routers. It is fully validated for use in the Cisco ISR4451-X platform, ensuring tight mechanical and software integration for reliable high-performance routing and voice services in enterprise branch office deployments.
Does the NIM-4FXS module support FXS-E and DID signaling? +
Yes, the module is designed to handle both FXS-E (Extended) and Direct Inward Dialing (DID) configurations. This versatility allows network administrators to manage specialized analog signaling requirements, ensuring compatibility with a wider range of service provider trunks and legacy telephony end-points across various regional standards.
How are the four ports on the NIM-4FXS managed and configured? +
Management is performed through the Cisco IOS XE software running on the host ISR 4451-X router. Administrators utilize the standard Cisco command-line interface (CLI) to configure voice ports, apply dial peers, and manage quality of service (QoS) parameters, providing granular control over your analog voice traffic.
Can the NIM-4FXS support fax machines and analog modems? +
The module is designed to support analog devices including standard telephones and G3 fax machines. By converting analog signals into digital packets for the IP network, it allows businesses to maintain essential legacy connectivity while transitioning toward modern VoIP architectures, ensuring that business-critical communication remains uninterrupted during the transition.
What is the physical installation process for the NIM-4FXS in an ISR4451-X? +
Installation is a straightforward process involving inserting the NIM into an available Network Interface Module slot on the front panel of your ISR 4451-X. Once secured, the router’s operating system automatically detects the module, allowing you to begin port configuration immediately without requiring complex chassis modifications.
Are there specific licensing requirements to enable voice features on this NIM? +
While the module provides the physical connectivity, utilizing its voice capabilities typically requires the appropriate Cisco Unified Communications licensing on your ISR 4000 series router. We recommend verifying that your current router configuration has the necessary voice feature sets activated to support the FXS and DID functionality provided by this hardware.
How does the NIM-4FXS ensure reliability for analog voice services? +
Cisco builds these modules with high-grade components specifically tested for enterprise-level duty cycles. By offloading analog processing from the main router CPU to the specialized module hardware, the NIM-4FXS maintains optimal voice quality and call stability even under high load, ensuring consistent communication reliability for your branch office.
How can I obtain a bulk quote for multiple NIM-4FXS units? +
For organizations requiring multiple NIM-4FXS modules for large-scale deployments, BuyRouterSwitch.com provides dedicated procurement assistance. Simply contact our sales team with your project requirements or the specific SKU quantities needed, and we will prepare a customized bulk pricing proposal tailored to your enterprise infrastructure budget.
Why should I choose BuyRouterSwitch.com for my Cisco module procurement? +
BuyRouterSwitch.com is a trusted source for high-quality enterprise networking hardware, offering a streamlined purchasing experience for IT professionals. We prioritize efficient fulfillment and expert support, ensuring you receive authentic hardware for your critical infrastructure. Our team is focused on providing the best procurement solutions to keep your network operations running smoothly.
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