NIM-4FXSP - Cisco ISR 4000 Router Modules & Cards
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NIM-4FXSP
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NIM-4FXSP Overview
Voice Module (4-port FXS) NIM-4FXSP
Overview
NIM-4FXSP Overview
Cisco NIM-4FXSP
NIM-4FXSP is a Cisco 4-Port Network Interface Module - FXS, FXS-E and DID. 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.
Quick Spec
SKU | NIM-4FXSP |
Number of Ports | 4 |
ISR G2 comparison | VIC3-4FXS/DID |
Cisco IOS Release | XE16.5 and above |
Note: “P” version is created due to introduction of new hardware component into the manufacturing process. There is no change in functionality from non-P version.
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 |
ISR4451-X-AX/K9 | 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 |
ISR4451-X-VSEC/K9 | Cisco ISR 4451 VSEC Bundle, PVDM4-64 w/ UC,SEC Lic,CUBE- 25 |
ISR4451-X-V/K9 | Cisco ISR 4451 UC Bundle. PVDM4-64. UC Lic.CUBE25 |
ISR4451-X-AXV/K9 | 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 |
NIM-2FXO | 2 | VIC2-2FXO | XE3.13.4, XE3.14.3, XE3.15.1, XE3.16 and above |
NIM-4FXO | 4 | VIC2-4FXO | XE3.13.4, XE3.14.3, XE3.15.1, XE3.16 and above |
NIM-2FXS | 2 | VIC3-2FXS/DID | XE3.13.4, XE3.14.3, XE3.15.1, XE3.16 and above |
NIM-4FXS | 4 | VIC3-4FXS/DID | XE3.13.4, XE3.14.3, XE3.15.1, XE3.16 and above |
NIM-2FXS/4FXO | 6 | VIC2-4FXO and VIC3-2FXS/DID | XE3.14.3, XE3.15.1, XE3.16 and above |
NIM-2FXSP | 2 | VIC3-2FXS/DID | XE16.5 and above |
NIM-4FXSP | 4 | VIC3-4FXS/DID | XE16.5 and above |
NIM-2FXS/4FXOP | 6 | VIC2-4FXO and VIC3-2FXS/DID | XE16.5 and above |
NIM-4E/M | 4 | VIC3-2E/M | XE3.14.3, XE3.15.1, XE3.16 and above |
NIM-2BRI-NT/TE | 2 | VIC2-2BRI-NT/TE | XE3.14.3, XE3.15.1, XE3.16 and above |
NIM-4BRI-NT/TE | 4 | VIC2-2BRI-NT/TE | XE3.14.3, XE3.15.1, XE3.16 and above |
Summary Description
Cisco NIM-4FXSP
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Specification
NIM-4FXSP Specification
NIM-4FXSP Specification | |
Number of Ports | 4 |
ISR G2 comparison | VIC3-4FXS/DID |
Cisco IOS Release | XE16.5 and above |
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-4FXSP module serve in a network architecture? +
The NIM-4FXSP is a four-port Foreign Exchange Station (FXS) network interface module designed for Cisco 4000 Series Integrated Services Routers. It enables the connection of analog devices, such as traditional telephones, fax machines, or legacy PBX systems, directly to an IP-based voice network, allowing for seamless integration of analog endpoints into modern unified communications environments.
Is the NIM-4FXSP compatible with all Cisco ISR 4000 series routers? +
This module is specifically engineered for the Cisco ISR 4000 family, including models like the 4451, 4431, 4351, 4331, and 4321. Compatibility depends on the available NIM slots on your specific chassis. It is recommended to verify your current chassis configuration and ensure your Cisco IOS XE software version supports the specific hardware requirements for analog voice services before installation.
How does the NIM-4FXSP handle voice traffic compared to standard data modules? +
Unlike data-only modules, the NIM-4FXSP includes specialized digital signal processors that handle voice compression, echo cancellation, and analog-to-digital signaling conversions. It is optimized to prioritize voice packets within the router's architecture, ensuring that latency-sensitive analog calls maintain high audio quality and reliability when transmitted over your enterprise IP network.
Does the NIM-4FXSP support power requirements for connected analog phones? +
Yes, this FXS module provides the necessary battery feed, ringing voltage, and dial tone required to power standard analog telephony devices. Because it operates as an FXS interface, it acts as a local exchange, effectively simulating the behavior of a central office line for any connected telephone or fax machine attached to its four RJ-11 ports.
What is the typical deployment scenario for a 4-port FXS module? +
This module is most commonly deployed in branch offices or smaller enterprise locations that require the retention of legacy analog equipment while transitioning to VoIP. It is ideal for scenarios involving lobby phones, fax machines for secure document transmission, or connecting existing analog paging systems to the broader corporate network infrastructure.
How are the ports on the NIM-4FXSP managed within the Cisco IOS environment? +
Management is performed through the Cisco IOS XE command-line interface. Each of the four ports can be configured independently, allowing administrators to define specific dial peers, voice classes, and signaling protocols. The configuration integrates directly into the router's voice gateway settings, providing centralized control over analog line parameters and call routing policies.
What type of physical cabling is required for the NIM-4FXSP? +
The module features four standard RJ-11 ports. You should use standard analog telephone cables (tip and ring) to connect your local analog endpoints to the module. Ensure the cable quality is sufficient for the distance between the router and the telephone device to minimize signal attenuation and maintain the necessary loop current for clear voice transmission.
Does the NIM-4FXSP require separate software licensing for operation? +
While the hardware module itself does not require a per-port license, utilizing voice features on Cisco ISR 4000 platforms typically requires the appropriate Unified Communications or Voice technology package license enabled in your Cisco IOS XE software. Always review your router’s current feature set to ensure you have the necessary licensing to activate the voice gateway functionality.
How can I obtain a bulk quote for multiple NIM-4FXSP units for a large rollout? +
At BuyRouterSwitch.com, we specialize in supporting large-scale enterprise deployments. If you are planning a significant network upgrade or require a high volume of NIM-4FXSP modules, please contact our sales department directly. Our team can provide custom bulk pricing and coordinate availability to ensure your project timelines are met with efficiency and competitive enterprise-level quotes.
Why should I choose BuyRouterSwitch.com for my Cisco hardware procurement? +
BuyRouterSwitch.com is a dedicated partner for IT professionals seeking authentic, high-quality networking hardware. We pride ourselves on streamlined ordering processes and deep industry expertise, ensuring you receive genuine Cisco equipment for your critical infrastructure. By choosing us, you benefit from a reliable procurement partner focused on delivering exactly what your network deployment requires without unnecessary complexity.
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