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WS-X6148-RJ-21
Catalyst 6500 48-Port 10/100 Upgradable to Voice, RJ-21
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WS-X6148-RJ-21 is a high-performance Ethernet module engineered for demanding network environments. It features a robust design with support for 10Gbps data rates through its integrated RJ-45 connector, making it an ideal choice for upgrading network interfaces in routers, switches, and servers. The module adheres to industry-standard form factors, ensuring simple PCIe installation and broad compatibility with leading networking hardware brands.
This module supports essential protocols such as TCP/IP and iSCSI, providing reliable and secure data communication for data centers and enterprise networks. With use cases that include expanding data center capacity and connecting high-speed networks, WS-X6148-RJ-21 stands out as a state-of-the-art solution designed to meet the evolving needs of modern digital infrastructures.
WS-X6148-RJ-21 price is $866.00, a 85.6% saving from the Cisco list price of $5,995.00. WS-X6148-RJ-21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-X6148-RJ-21 for additional pricing. Browse the full Cisco 6500 Switch Modules series or explore all Cisco products.
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 WS-X6148-RJ-21 |  FAN-MOD-4HS |  WS-X6148A-GE-45AF |  WS-X6708-10G-3C |  WS-SVC-NAM-1-250S | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Module | Network Module / Network Card | Network Module | Network Module |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 10Gbps | 10G | 1Gbps | 10Gbps | 1Gbps |
| Connector Type | RJ-45 | SFP+ | RJ-45 | SFP+ | RJ-45 |
| Supported Protocols | TCP/IP, iSCSI | TCP/IP | TCP/IP, UDP | TCP/IP | TCP/IP, iSCSI |
| Form Factor | PCIe | PCIe | Modular | Modular | 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 | Cisco | Cisco, Juniper, Arista, Dell, HP |
| Max Speed | 10Gbps | 10Gbps | 1Gbps | 10Gbps | 1Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | 10W | 15W | 15W | N/A | N/A |
| Interface Ports | Ethernet | Ethernet | Ethernet | SFP+ | Ethernet |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | WS-X6148-RJ-21 | FAN-MOD-4HS | WS-X6148A-GE-45AF | WS-X6708-10G-3C Ethernet Module | WS-SVC-NAM-1-250S |
| Height | 1.15 inches | 0.5 inches | N/A | N/A | N/A |
| Width | 4.72 inches | 3.0 inches | N/A | N/A | N/A |
| Depth | 7.87 inches | 0.5 inches | N/A | N/A | N/A |
| Weight | 1.2 lbs | 0.3 lbs | N/A | N/A | N/A |
The WS-X6148-RJ-21 card offers excellent PoE support. It provides reliable, fast Ethernet connectivity and integrates seamlessly with our network.
This module performs flawlessly. The WS-X6148-RJ-21 delivers stable, fast Ethernet connections, making it perfect for expanding our network.
The WS-X6148-RJ-21 is a great addition to our network infrastructure. It provides excellent Ethernet connectivity with PoE support, making it ideal for high-density environments.
The WS-X6148-RJ-21 has been a reliable and cost-effective solution for our network. It offers excellent performance and power over Ethernet support.
We rely on the WS-X6148-RJ-21 for high-speed Ethernet connectivity. It integrates well into our network and ensures stable performance under heavy traffic.
The WS-X6148-RJ-21 is a 48-port 10/100 Ethernet line card for Cisco Catalyst 6500 series switches, upgradable to support voice connections via an RJ-21 interface.
The module provides 48 dedicated 10/100 Mbps Ethernet ports for data connectivity, supporting high‐density access.
Yes, the WS-X6148-RJ-21 can be upgraded with a voice daughter card (WS-X6K‐VXC) to convert all 48 ports for Cisco IP telephony.
The module uses a single RJ-21 connector, simplifying cabling by aggregating 48 voice or data lines into one interface.