United States$5,000,000+
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Samuel Norton
5
Fabric module delivered stable throughput across the chassis.
JC749A
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HPE FlexNetwork 10512 1.52Tbps Type B Fabric Module (JC749A)
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JC749A
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- HPE FlexNetwork 10512 1.52Tbps Type B Fabric Module (JC749A)
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JC749A Overview
JC749A is an enterprise-grade switch built on a robust modular architecture that delivers flexible power options, advanced port configurations, and reliable stacking capabilities. It features dual power supply support, high-speed uplink ports, and optimized scalability for dynamic networking environments.
JC749A is designed for critical use cases such as data centers, campus networks, and cloud deployments, offering superior performance and consistent throughput. Its architecture ensures efficient stacking and expansion, making it an ideal solution for businesses seeking high reliability and scalable network infrastructure.
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JC749A Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Form Factor
- Rack-mount
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Flash Memory
- 64 MB
- Layer Supported
- Layer 3
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- IOS
- IP Services
- Height
- 1.75 inches
- POE Support
- POE+
- Uplink Configuration
- 10G
- Weight
- 10 lbs
- Switching Capacity with Stacking
- 128 Gbps
- Switching Capacity
- 64 Gbps
- Width
- 17 inches
- Power Consumption
- 75 W
- Depth
- 14 inches
- Manufacturer Part Number
- JC749A
- Port/Expansion Slot Details
- 2 expansion slots for additional modules
- Product Name
- JC749A Enterprise Managed Switch
JC749A Use Case
High-Performance Spine for Virtualized Data Centers
In a virtualized enterprise data center environment, the JC749A-HPE FlexNetwork 10512 1.52Tbps Type B Fabric Module (JC749A) acts as the spine layer to aggregate up to 200 VMware ESXi hosts at line-rate, reducing east-west VM migration latency by 40% and ensuring linear 100GbE scalability with sub-microsecond delay.
Resilient Multi-Campus Core for Unified Communications
For a global enterprise streaming high-definition video conferencing and VoIP across distributed campuses, the JC749A-HPE FlexNetwork 10512 1.52Tbps Type B Fabric Module delivers a fault-tolerant core fabric with active-active link redundancy, cutting network downtime by 60% and maintaining strict QoS SLAs.
Multi-Tenant Cloud Provider Backbone
In a tier-1 cloud service provider infrastructure, the JC749A-HPE FlexNetwork 10512 1.52Tbps Type B Fabric Module enables hardware-isolated multi-tenant backbones with dense 40/100GbE connectivity, driving 99.999% uptime, reducing tenant provisioning times by 30%, and enforcing network segmentation at line rate.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| JC749A |  JC753A |  JC756A |  JC752A |  JC748A | |
|---|---|---|---|---|---|
| Depth | 14 inches | 12 inches | 12 inches | 18 inches | 14 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 256 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1 inches | 1.75 inches |
| IOS | IP Services | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 3 | Layer 3 | Layer 3 | Layer 2 / Layer 3 | Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | JC749A | JC753A | JC756A | JC752A | JC748A |
| Media Type Supported | Combo | Combo | Combo | Combo | Combo |
| Memory | 256 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 24 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | POE+ | POE+ | POE+ | POE+ |
| Port/Expansion Slot Details | 2 expansion slots for additional modules | 4 expansion slots | Supports stacking via dedicated expansion slots | 2 expansion slots for module upgrades | 24 fixed Ethernet ports with 4 SFP slots |
| Power Consumption | 75 W | 75 W | 150 W | 75 W | 50 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | JC749A Enterprise Managed Switch | JC753A Series Network Switch | JC756A Enterprise Layer 3 Rack-Mount Switch | JC752A High-Performance Switch | JC748A Enterprise Ethernet Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 64 Gbps | 160 Gbps | 128 Gbps | 128 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 128 Gbps | 320 Gbps | 256 Gbps | 256 Gbps | 256 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 10G |
| Weight | 10 lbs | 15 lbs | 15 lbs | 20 lbs | 15 lbs |
| Width | 17 inches | 17.5 inches | 17 inches | 17 inches | 17.5 inches |
Reviews & Ratings
O
Owais Raza
5
Improved overall switching capacity significantly.
M
Marco Vitale
5
Reliable performance under continuous load.
Y
Yasir Mehmood
4
Good redundancy option for 10512 chassis.
E
Edward Mills
4
Met expectations for core fabric expansion.
Questions & Answers
What is the HPE FlexNetwork 10512 1.52Tbps Type B Fabric Module (JC749A)?
The JC749A is a 1.52Tbps Type B fabric module designed for the HPE FlexNetwork 10512 chassis, delivering high-density, low-latency switching for enterprise networks.
What switching capacity does the JC749A provide?
The JC749A offers up to 1.52Tbps of fabric throughput, enabling seamless aggregation and high-performance packet forwarding across 12 line-card slots.
Which chassis models support the JC749A module?
The JC749A is compatible exclusively with the HPE FlexNetwork 10512 chassis (HPE part 749A), ensuring optimized integration and performance.
Can I mix Type A and Type B fabric modules in the same chassis?
No, HPE requires uniform fabric modules; you must install only Type B modules (JC749A) to maintain fabric consistency and reliability.
How do I install the JC749A fabric module?
Power down the HPE FlexNetwork 10512 chassis, slide the JC749A into the designated fabric bay, secure the latches, and power up to auto-detect.
Is the JC749A fabric module hot-swappable?
No, the JC749A is not hot-swappable; installation or replacement requires chassis shutdown to prevent service interruptions.
What is the power consumption of the JC749A?
The JC749A typically consumes 200 W under full load, and draws 12 A at 12 V, as specified in the HPE FlexNetwork 10512 hardware guide.
What environmental conditions does the JC749A support?
The JC749A operates reliably from 0 °C to 45 °C with 5%–90% non-condensing relative humidity, per HPE environmental standards.
What network protocols are supported by the JC749A?
The JC749A supports IPv4, IPv6, MPLS, Ethernet VPLS, OSPF, BGP, and ISIS for comprehensive campus and data-center deployments.
What is the typical latency of the JC749A fabric module?
The JC749A delivers sub-microsecond switching latency, ensuring minimal delay for mission-critical applications and real-time services.
How does the JC749A enhance network performance?
By providing 1.52Tbps of non-blocking bandwidth and low latency, the JC749A eliminates bottlenecks, maximizes port density, and accelerates east-west traffic.
Does the JC749A support high availability and redundancy?
Yes, deploying dual JC749A modules in active-standby configuration ensures fabric redundancy and nonstop forwarding in case of a failure.
What management interfaces are available for the JC749A?
The JC749A is managed via the integrated HPE Intelligent Management Center (IMC) and supports CLI, SNMP, and REST APIs for automation.
Is additional software licensing required for the JC749A?
No separate license is needed; the JC749A fabric module functionality is included with the HPE FlexNetwork 10512 chassis base license.
What warranty covers the JC749A fabric module?
HPE provides a one-year limited warranty with parts replacement; extended support and service packs are available separately.
How reliable is the JC749A in continuous operation?
The JC749A offers a Mean Time Between Failures (MTBF) of over 300,000 operating hours, ensuring carrier-class reliability for demanding networks.
Can I use the JC749A in a data center top-of-rack (ToR) deployment?
Yes, when paired with HPE FlexNetwork 10512 ToR line cards, the JC749A delivers high-throughput switching ideal for modern data-center leaf-spine architectures.