Cisco 8-Port Gigabit Ethernet Expansion Module — RJ-45 Copper Network Add-On for Enterprise Switches and Data Centers
SKU: 69344520682

Cisco 8-Port Gigabit Ethernet Expansion Module — RJ-45 Copper Network Add-On for Enterprise Switches and Data Centers

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Description

Cisco 8-Port Gigabit Ethernet Expansion Module — RJ-45 Copper Network Add-On for Enterprise Switches and Data CentersThe Cisco Expansion Module is a high density, copper based networking enhancement designed to seamlessly extend your data infrastructure. Built to integrate with compatible Cisco hardware, this expansion module adds eight RJ 45 ports that support 10 100 1000Base T Ethernet, delivering reliable, scalable connectivity for a wide range of devices and applications. Whether youre expanding a small office network, upgrading a data center rack, or optimizing

The Cisco Expansion Module is a high-density, copper-based networking enhancement designed to seamlessly extend your data infrastructure. Built to integrate with compatible Cisco hardware, this expansion module adds eight RJ-45 ports that support 10/100/1000Base-T Ethernet, delivering reliable, scalable connectivity for a wide range of devices and applications. Whether you’re expanding a small office network, upgrading a data center rack, or optimizing a campus backbone, this module delivers consistent performance, simple deployment, and Cisco-grade reliability that IT teams trust. With auto-negotiation and auto-MDIX on every port, you gain plug-and-play usability, reducing configuration time and minimizing compatibility issues across mixed equipment. The module’s twisted-pair Gigabit Ethernet technology helps ensure low latency and high throughput for virtualized environments, backups, database operations, video conferencing, and other bandwidth-intensive workloads—without creating bottlenecks or compromising security. It’s the practical, future-ready solution for growing networks that demand flexible, scalable expansion without sacrificing stability or manageability.

  • Eight 10/100/1000Base-T Ethernet ports deliver flexible copper connectivity, allowing you to connect a mix of desktops, servers, storage devices, and network appliances with a single, unified expansion option. This greatly improves port density in compact rack spaces while keeping the familiar Ethernet standards you rely on.
  • Auto-negotiation and Auto-MDIX simplify installation by automatically selecting the best speed and duplex settings for each connection, eliminating the need for manual tuning and reducing the risk of misconfigurations on mixed gear and legacy devices.
  • Per-port performance reaches up to 1 Gbps in full duplex, supporting high-throughput workloads such as large file transfers, virtualization traffic, and latency-sensitive applications, all while maintaining predictable response times across the network.
  • Designed for Cisco environments, the expansion module offers rugged construction and reliable operation in enterprise and data-center settings, enabling scalable growth as you add users, devices, and edge applications without replacement hardware purchases already in your chassis.
  • Seamless integration with Cisco management and monitoring tools means you can configure, monitor, and troubleshoot ports from a single interface, maintaining consistent security policies, VLAN segmentation, and QoS across your expanding network.

Technical Details of Cisco Expansion Module

  • Ports: 8 x RJ-45 10/100/1000Base-T Ethernet ports for standard copper connectivity
  • Standards: Supports IEEE 802.3 (Ethernet), 802.3u (100BASE-TX), and 802.3ab (1000BASE-T) for broad interoperability
  • Data rate: Up to 1 Gbps per port in full duplex; aggregated throughput depends on host device and network design
  • Interface compatibility: Designed to fit in compatible Cisco expansion slots and chassis; verify device compatibility with your specific Cisco model and firmware
  • LED indicators: Per-port LINK and ACT indicators for quick status checks and troubleshooting
  • Power: Powered by the host Cisco device; no separate external power supply required
  • Environment: Built to operate within standard data-center and enterprise rack temperatures and humidity ranges

How to Install Cisco Expansion Module

  • Power down the Cisco device and unplug from power to ensure a safe installation and protect both the module and chassis from electrical damage.
  • Open the chassis or blade-slot enclosure according to the device’s maintenance procedure, and locate the appropriate expansion slot compatible with the module.
  • Align the module’s connectors with the slot and gently slide it in until it seats firmly; do not force the module as improper seating can cause damage to connectors.
  • Secure the module with the necessary screws or fasteners as dictated by the chassis design, ensuring the module is firmly anchored and stable under normal cabinet operation.
  • Reconnect power, boot the device, and use the Cisco management interface to verify port status, assign VLANs if needed, and confirm link lights indicate active connections across all eight ports.

Frequently asked questions

  • Q: What is the Cisco Expansion Module used for? A: It adds eight additional Ethernet ports to expand copper-based network connectivity, enabling more devices to connect at 10/100/1000 Mbps without replacing existing switches or controllers.
  • Q: How many ports does this module provide? A: Eight RJ-45 ports supporting 10/100/1000Base-T connections.
  • Q: What speeds are supported on the ports? A: Each port supports auto-negotiation across 10 Mbps, 100 Mbps, and 1000 Mbps with auto-MDIX for easy cable compatibility.
  • Q: Do I need an external power supply for the module? A: No external power supply is required; the module draws power from the host Cisco device through its expansion interface.
  • Q: How do I verify compatibility with my Cisco device? A: Check the device’s hardware compatibility guide or administrator manual to confirm expansion-slot compatibility and supported firmware versions for your specific Cisco model.
  • Q: Can I configure VLANs or QoS on the ports provided by this module? A: VLANs, QoS, and advanced port configurations are managed by the host device’s firmware and management tools; port settings can be adjusted within the Cisco management interface to align with your network policies.
  • Q: Is installation hot-swappable? A: Some Cisco devices support hot-swapping expansion modules; refer to the device’s maintenance guide for exact procedures and any model-specific cautions before removing or inserting a module.
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SKU: 69344520682

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Jason Brown
San Leandro, US
★★★★★ 1
A total joke.
Pattern Name: Cage Ball, Size: Large - 4 Inch / 8.5 oz
I was so hopeful and really wanted this to be as good as the sellers claimed. After all, they boast of a lifetime replacement (a joke and be sure to read the ridiculous terms lol). I have a "pocket pitty" and she loves rubber toys. There is not much I have found that can withstand her force; however, reading reviews AND seeing their warranty, I wanted to give it a try. Typically, I stick with Java wood and XL super dense knotted ropes, as that has been the only thing that can last any real amount of time. Thankfully, she never goes after our stuff or household items/furniture, just her toys. The ball arrived. I checked it over. It looked semi promising. I was hopeful. The design does allow for them to leverage their paw strength by getting it between the rubber bars and then pull with their teeth. Within 3 minutes of her having it, she already had a bar ripped off. Within 5 minutes, she had 3 bars ripped off. Don't get me wrong, she had a blast. But this is by no means strong enough for an actual aggressive chewer. Perhaps there is just not anything rubber that can handle her jaws, but now I can't get a replacement because the warranty only covers if the product is defective. It doesn't cover chewing damage (on any of their products). The advertising is very misleading so be aware. Why a replacement if she will just destroy it again you may wonder? She loves to go after a ball, but now I know she can kill this one, I keep them in a drawer and only let her play fetch with it while supervised. I will say though, I you have a puppy, I think this would be great for them as long as they are not extra large. The material has give, which is nice. But if you have a real aggressive chewer, don't waste the money.
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Reviewed in the United States on March 7, 2023
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TERESA
Natrona Heights, US
★★★★★ 4
Not indestructible, but is very tough.
Pattern Name: Ball, Size: Large - 3 Inch / 12 oz
My dog destroyed this, but it took a little longer than it usually does. Would love to know how the lifetime replacement works. There is no information that I see on how to contact the seller.
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Reviewed in the United States on December 8, 2025
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Diane Knickerbocker
Pawtucket, US
★★★★★ 5
Would buy again
Pattern Name: Cage Ball, Size: Large - 4 Inch / 8.5 oz
This is a great ball! Both my dogs love it. Queensland is a heavy chewer and I can see no damage. Catahoula loves to fetch and kick after kick and retrieval this ball shows no wear. It’s easy to pick up and is a good size for my dogs.
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Reviewed in the United States on December 11, 2025
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Laura Hein
Fort Morgan, US
★★★★★ 5
Very Durable Ball
Pattern Name: Cage Ball, Size: Large - 4 Inch / 8.5 oz
This ball has held up to regular puppy chewing for 3 months now. At first I was worried my retriever would get her mouth stuck in it, but it hasn't been a problem since she has gotten bigger. Supervision required for smaller pups. One thing to note is that the ball was shipped with a strong rubber smell, but that has gone away with use and washing. Super easy to clean! It is a heavier ball making it bounce well and it doesn't damage the walls. Super durable. She's been chewing on it every day and there is no damage to it at all. The scratches, holes, or pieces missing. It's stayed intact for months!
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Reviewed in the United States on October 6, 2023
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dellanney maxwell snyder
Omaha, US
★★★★★ 3
Good ball, but not really for super chewers
Pattern Name: Ball, Size: Large - 3 Inch / 12 oz
This ball is tough...my (foster) dog is tougher. It is a heavy rubber ball, but my Staffordshire bull terrier is able to destroy these balls within about a couple of hours. We never let him chew on these unmonitored. If you have a moderate chewer, this is probably ok for your dog; for any super chewers, you might want to pass. We first bought one of these balls when we learned our foster dog (fresh out of the shelter) had heartworms. We knew we had to keep him occupied somehow, and it is by far his favorite toy (he loves the doughnut-shaped toy as well). We bought MANY of these during his heartworm treatment. Now that he is done with his treatment we won't buy any more of these. They are expensive for what they are. And just be aware that the lifetime warranty only applies to material or manufacturing flaws...not the actual toughness of the product.
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Reviewed in the United States on June 16, 2025

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