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C3KX-NM-1G=
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- Catalyst 3K-X 1G Network Module
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C3KX-NM-1G=
Catalyst 3K-X 1G Network Module
$606.99
$145.68
28 in Global Warehouse
$145.68
76% off
TRUSTED, TRIED, PROVEN
C3KX-NM-1G= Overview
C3KX-NM-1G= is a high-performance Ethernet network module engineered to deliver reliable 1Gbps connectivity in demanding network environments. Designed with an SFP connector interface, this modular card integrates seamlessly into routers, switches, and servers to support robust TCP/IP communications and ensure efficient data flow for mission-critical applications.
The C3KX-NM-1G= module is optimized for data centers and enterprise networks that require steady 1Gbps speeds with features such as auto-negotiation, jumbo frames, and QoS support. Its compact, modular form factor facilitates straightforward installation and expansion, ensuring compatibility with Cisco systems while providing a cost-effective upgrade for scaling network capacity.
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C3KX-NM-1G= Specifications
| Product Type | Network Module |
| Module Type | Ethernet |
| Data Rate | 1Gbps |
| Connector Type | SFP |
| Supported Protocols | TCP/IP |
| Form Factor | Modular |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco |
| Max Speed | 1Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | 3.5W |
| Interface Ports | SFP |
| Expansion Slots | N/A |
| Product Name | Cisco C3KX-NM-1G= |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
C3KX-NM-1G= Use Case
Campus Fiber Backbone Scalability
In a large enterprise campus environment requiring additional uplink capacity between distribution and core layers, network engineers install the C3KX-NM-1G=-Catalyst 3K-X 1G Network Module on Catalyst 3K-X switches to enable four 1G SFP fiber connections. This delivers scalable backbone throughput, simplifies future network expansion across multiple buildings, and ensures high availability with minimal re-cabling effort.
Data Center Edge Redundant Uplink Architecture
In a mid-sized data center deployment, IT teams equip edge Catalyst 3K-X switches with the C3KX-NM-1G=-Catalyst 3K-X 1G Network Module to create redundant 1G fiber uplinks to aggregation and core layers. The result is seamless failover with sub-second convergence, improved SLA compliance, and reduced risk of single-point failures for critical server traffic.
High-Definition IP Surveillance Over Fiber
A global retail chain integrates high-definition IP cameras across dispersed store locations by leveraging the C3KX-NM-1G=-Catalyst 3K-X 1G Network Module’s 1G fiber uplinks on Catalyst 3K-X switches. This enables long-reach, low-latency video transport, centralized monitoring, and minimal packet loss for enhanced security and operational efficiency.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco | Routers, Switches, Servers | Cisco | Cisco | Cisco, Juniper, Arista, Dell, HP |
| Connector Type | SFP+ | RJ-45 | SFP | SFP+ | SFP+ |
| Data Rate | 10G | 1Gbps | 1Gbps | 10G | 10Gbps |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Form Factor | Modular | Modular | Modular | Modular | Modular |
| Height | N/A | N/A | N/A | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | SFP+ | Ethernet | SFP | SFP+ | SFP+ |
| Max Speed | 10Gbps | 1Gbps | 1Gbps | 10Gbps | 10Gbps |
| Module Type | SFP+ | Ethernet | Ethernet | SFP+ | SFP+ |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 5W | N/A | 3.5W | 3.5W | 6W |
| Product Name | C3KX-NM-10G= | C3KX-NM-1G | Cisco C3KX-NM-1G= | Cisco C3KX-SM-10G= | C3KX-SM-10G |
| Product Type | Network Module / Network Card | Network Module / Network Card | Network Module | Network Module | Network Module / Network Card |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | N/A | -40 to 85°C |
| Supported Features | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP | TCP/IP | TCP/IP, iSCSI |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
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Questions & Answers
Q
What is the Cisco Catalyst 3K-X 1G Network Module (SKU: C3KX-NM-1G=)?
A
The Cisco Catalyst 3K-X 1G Network Module (C3KX-NM-1G=) is a field-installable expansion card that adds four 1-Gigabit Ethernet SFP ports to Cisco Catalyst 3K-X switches, enabling uplink scalability and fiber connectivity.
Q
Which Catalyst 3K-X switches are compatible with the C3KX-NM-1G= module?
A
The C3KX-NM-1G= module is compatible with Cisco Catalyst 3750-X and 3560-X Series switches, subject to IOS feature license support and available module slots.
Q
How do I install the Catalyst 3K-X 1G Network Module?
A
To install C3KX-NM-1G=, power down the Catalyst 3K-X switch, insert the module into the expansion slot until it clicks, secure with screws, and power the switch back on. Confirm installation via the IOS show module command.
Q
How many 1G ports does the C3KX-NM-1G= module support?
A
The Catalyst 3K-X 1G Network Module provides four independent 1-Gigabit Ethernet SFP ports, each operating at 10/100/1000 Mbps.
Q
Does the C3KX-NM-1G= support fiber SFP transceivers?
A
Yes, the Catalyst 3K-X 1G Network Module supports standard Cisco SFP fiber transceivers for single-mode, multi-mode, and CWDM/DWDM fiber links.
Q
What SFP models are supported on the Catalyst 3K-X 1G Network Module?
A
Supported SFPs include GLC-SX, GLC-LX, GLC-ZX, GLC-T, CWDM and DWDM varieties. Confirm compatibility in the Cisco Transceiver Module Quick Reference Guide.
Q
Is the C3KX-NM-1G= hot-swappable?
A
No, the Catalyst 3K-X 1G Network Module is not hot-swappable. Power down the switch before inserting or removing the module to avoid damage.
Q
What power consumption does the Catalyst 3K-X 1G Network Module have?
A
The C3KX-NM-1G= draws approximately 3 W of additional power under full load. Actual consumption varies with SFP type and traffic.
Q
Does the C3KX-NM-1G= support Power over Ethernet (PoE)?
A
No, the Catalyst 3K-X 1G Network Module provides uplink SFP ports only and does not supply PoE to connected devices.
Q
Is a special license required for the C3KX-NM-1G= on Catalyst 3K-X switches?
A
No additional license is required. The C3KX-NM-1G= module operates under the existing IP Base or IP Services IOS license on Catalyst 3750-X and 3560-X switches.
Q
How do I upgrade firmware on the Catalyst 3K-X 1G Network Module?
A
Firmware upgrades for the C3KX-NM-1G= are delivered via the switch IOS image. Upload the latest Catalyst 3K-X IOS and reload the switch to update module firmware.
Q
Can I stack Catalyst 3K-X switches with the C3KX-NM-1G= installed?
A
Yes, switch stacking is fully supported. The Catalyst 3K-X 1G Network Module does not interfere with StackWise Plus or StackPower operations.
Q
What are typical use cases for the Catalyst 3K-X 1G Network Module?
A
Common use cases include fiber uplinks to distribution/core layers, metro Ethernet links, data center Top-of-Rack aggregation, and branch office connectivity over fiber.
Q
What warranty coverage does Cisco offer for the C3KX-NM-1G=?
A
The Catalyst 3K-X 1G Network Module carries Cisco’s limited lifetime warranty which includes return-for-repair service and next-business-day replacement with a valid Cisco service contract.
Q
How can I purchase the Cisco Catalyst 3K-X 1G Network Module (C3KX-NM-1G=)?
A
You can purchase C3KX-NM-1G= through authorized Cisco partners, resellers, or the Cisco Commerce Workspace online portal. Check availability and pricing with your local Cisco representative.
Q
How do I verify that the C3KX-NM-1G= module is recognized by my switch?
A
After installation, use the IOS command show module or show inventory to confirm the Catalyst 3K-X 1G Network Module is listed with its part number C3KX-NM-1G= and operational status.
