United States$5,000,000+
Inventory Delivered By
O
Omar Prescott
4
2FXS/4FXO NIM offers stable analog voice connectivity for branch routers.
NIM-2FXSP/4FXOP
Original Stock
Ready to Ship
2-port FXS and 4-port FXO NIM
FEATURED DEAL
Name:
NIM-2FXSP/4FXOP
- Description:
- 2-port FXS and 4-port FXO NIM
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658659454
- Condition:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
NIM-2FXSP/4FXOP Overview
NIM-2FXSP/4FXOP is a high-performance network interface module designed for integration with advanced routers and switches. Built to deliver reliable connectivity and low latency, this module supports data rates of up to 10Gbps and 40Gbps, utilizing SFP+ connectors for optimal fiber connectivity. It is engineered as a modular NIM (Network Interface Module) that enables seamless upgrades to network infrastructure and ensures compatibility with a wide range of enterprise routers, switches, and servers.
Ideal for data center expansion and high-speed network applications, the NIM-2FXSP/4FXOP supports key protocols such as TCP/IP and Fibre Channel. Its robust design incorporates essential features like auto-negotiation, jumbo frames, and QoS, ensuring dependable performance in rigorous operating environments. With a form factor optimized for modular installation, this module offers a versatile solution for upgrading server network interfaces and connecting to high-speed networks.
NIM-2FXSP/4FXOP price is is available on request. Get immediate quote.
Request bulk order quote for NIM-2FXSP/4FXOP for additional pricing. Browse the full Cisco Catalyst 8000 Series Edge Platforms Modules & Cards series or explore all Cisco products.
NIM-2FXSP/4FXOP Specifications
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- Power Consumption
- 15W
- Expansion Slots
- NIM
- Interface Ports
- SFP+
- Form Factor
- Modular
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Connector Type
- SFP+
- Product Type
- Network Module / Network Card
- Supported Features
- Auto-negotiation / Jumbo Frames / QoS
- Max Speed
- 40Gbps
- Supported Protocols
- TCP/IP / Fibre Channel
- Compatibility
- Cisco / Juniper / Arista / Dell / HP
- Data Rate
- 10Gbps / 40Gbps
- Module Type
- NIM
- Product Name
- NIM-2FXSP/4FXOP Network Interface Module
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| NIM-2FXSP/4FXOP |  NIM-VA-B |  NIM-24A |  P-LTEA-EA |  P-LTEA-LA | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Module | Network Module / Network Card | 4G LTE Module | Network Module |
| Module Type | NIM | Ethernet | Ethernet | 4G LTE Module | 4G LTE |
| Data Rate | 10Gbps / 40Gbps | 10Gbps | 10Gbps | N/A | N/A |
| Connector Type | SFP+ | SFP+ | SFP+ | PCIe | PCIe |
| Supported Protocols | TCP/IP / Fibre Channel | TCP/IP, iSCSI | TCP/IP / iSCSI | TCP/IP | TCP/IP |
| Form Factor | Modular | PCIe | PCIe | PCIe | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP | Cisco / Dell | Dell, HP |
| Max Speed | 40Gbps | 10Gbps | 10Gbps | N/A | N/A |
| Supported Features | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | N/A | N/A |
| Power Consumption | 15W | 15W | 15W | 5W | 5W |
| Interface Ports | SFP+ | Ethernet | Ethernet | N/A | N/A |
| Expansion Slots | NIM | NIM | NIM | N/A | N/A |
| Product Name | NIM-2FXSP/4FXOP Network Interface Module | NIM-VA-B | NIM-24A High-Performance Ethernet Module | P-LTEA-EA 4G LTE Cellular Module | P-LTEA-LA |
| Height | N/A | N/A | 0.5 inches | 1.0 inches | N/A |
| Width | N/A | N/A | 3.5 inches | 3.0 inches | N/A |
| Depth | N/A | N/A | 5.0 inches | 0.5 inches | N/A |
| Weight | N/A | N/A | 1.5 lbs | 0.2 lbs | N/A |
Reviews & Ratings
P
Perry Mitchell
5
Reliable voice interface with consistent performance.
Q
Quinton Hayes
5
Professional telephony module for small offices.
R
Rory Wallace
4
Smooth call handling and dependable uptime.
S
Seth Coleman
5
Efficient integration into ISR platforms.
T
Tanner Brooks
5
Stable voice expansion for enterprise deployments.
Questions & Answers
What is the NIM-2FXSP/4FXOP network interface module?
The NIM-2FXSP/4FXOP is a Cisco Network Interface Module featuring two FXS and four FXO ports for analog voice connectivity on compatible ISR routers.
How many FXS and FXO ports does the NIM-2FXSP/4FXOP provide?
It provides two Foreign Exchange Subscriber (FXS) ports for analog phones and four Foreign Exchange Office (FXO) ports for PSTN trunk connections.
Which Cisco ISR platforms support the NIM-2FXSP/4FXOP?
It is supported on Cisco ISR 4000 Series (4321–4451) and ISR 1900/2900/3900 Series routers with Network Interface Module slots running Cisco IOS XE.
What voice features does the NIM-2FXSP/4FXOP support?
Supported features include caller ID, echo cancellation, voice-mail integration, call detail records (CDR), dial-peer routing, and T.38 fax relay.
How do I install the NIM-2FXSP/4FXOP in my router?
Power off the router, insert the module into an available NIM slot, secure the screws, power on, and verify with the ‘show module’ command.
Is the NIM-2FXSP/4FXOP hot-swappable?
No, the NIM-2FXSP/4FXOP requires the router to be powered down before insertion or removal.
What power requirements does the NIM-2FXSP/4FXOP have?
The module draws power directly from the router backplane and does not require an external power source, consuming under 10 W.
Does the NIM-2FXSP/4FXOP support PSTN failover?
Yes, it supports dial-peer backup and high-availability configurations within Cisco IOS XE for seamless PSTN failover.
Which voice codecs are supported on the NIM-2FXSP/4FXOP?
It supports G.711 μ-law/A-law, G.729, G.726, and G.723 codecs for flexible bandwidth and quality management.
Can I use the NIM-2FXSP/4FXOP for fax over IP?
Yes, the module supports T.38 fax relay and G.711 pass-through to ensure reliable fax transmissions over IP networks.
What is the maximum number of concurrent calls?
You can run up to six simultaneous voice sessions, one per analog port, limited by router voice-processing capacity.
What are the physical dimensions and weight of the module?
The NIM measures 70 mm × 148 mm × 12 mm and weighs approximately 150 g, fitting standard Cisco NIM slot specifications.
What warranty covers the NIM-2FXSP/4FXOP?
It is backed by Cisco’s limited lifetime hardware warranty, with optional SMARTnet support for software updates and expedited replacement.
How do I configure the analog voice ports?
Use Cisco IOS CLI to define voice-port parameters, dial-peer settings, and signaling (loopstart or ground-start) under ‘voice-port’ and ‘dial-peer voice’ contexts.
Can I integrate the NIM-2FXSP/4FXOP with VoIP networks?
Yes, it interoperates with Cisco Unified Border Element (CUBE) or other SIP gateways to bridge analog endpoints to SIP trunks.
Where can I purchase the NIM-2FXSP/4FXOP?
You can buy the module through Cisco authorized partners, resellers, or directly via the Cisco online storefront.
How do I troubleshoot port connectivity issues?
Verify wiring, use ‘show controllers voice-port’ for signaling status, and run ‘debug voice port <port-number>’ to identify errors.