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WS-X6148A-RJ-45
Catalyst 6500 48-Port 10/100 w/TDR, Upgradable - PoE 802.3af
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WS-X6148A-RJ-45 is a high-performance Ethernet module designed for integration into compatible Cisco switching platforms, offering 48 integrated RJ-45 ports that support fast data rates up to 100Mbps. This module is engineered to deliver reliable TCP/IP connectivity, making it ideal for expanding data center capacity and upgrading legacy network infrastructures.
Built with a modular form factor, the WS-X6148A-RJ-45 facilitates easy installation into Cisco systems while providing essential features such as auto-negotiation, Wake-on-LAN, Jumbo Frames, and QoS. Its design and robust performance enable seamless connectivity for enterprise environments that require dependable and efficient network management.
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In a large corporate campus, the WS-X6148A-RJ-45-Catalyst 6500 48-Port 10/100 w/TDR, Upgradable - PoE 802.3af powers 48 IP phones and wireless access points over a single chassis slot. Integrated Time-Domain Reflectometry (TDR) accelerates cable fault isolation, while PoE 802.3af ensures reliable device boot‐up and centralized power management. Benefit: reduces rack space and electrical circuit complexity by 50%, maximizes uptime for voice and Wi-Fi services.
In a mid-tier data center, network engineers install the WS-X6148A-RJ-45 module as a Gigabit uplink aggregation layer, later upgrading ports from 10/100 to 1G with a software key. PoE 802.3af supports edge security cameras and environmental sensors without additional injectors. Benefit: delivers a 2× throughput increase and streamlines power cabling, cutting capital outlay by 30% and extending chassis lifecycle.
A university IT department deploys multiple Catalyst 6500 chassis populated with WS-X6148A-RJ-45 cards in geographically dispersed buildings. Automated TDR diagnostics pinpoint cable shorts and opens across 48 ports without manual tracing. PoE 802.3af powers intercom endpoints and door controllers. Benefit: lowers mean time to repair (MTTR) by 60% and ensures continuous operation of critical safety and communication systems.
To get the detailed certification, please go to the Compliance Center.
 WS-X6148A-RJ-45 |  WS-SUP720-3BXL |  WS-X6824-SFP-2TXL |  SPA-4XOC3-ATM |  WS-F6700-DFC3B | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Supervisor Engine Module | Network Module | Network Module / Network Card | Network Card |
| Module Type | Ethernet | Supervisor Engine | SFP / SFP+ | ATM / WAN Module | Ethernet |
| Data Rate | 100Mbps | N/A | 1Gbps (per SFP port) / 10Gbps (uplink ports) | 155Mbps | 10Gbps |
| Connector Type | RJ-45 | Integrated Backplane Connector | SFP / SFP+ | LC (Fiber-Optic) | RJ-45 |
| Supported Protocols | TCP/IP | TCP/IP / MPLS / Routing Protocols | TCP/IP | ATM / TCP/IP | TCP/IP, iSCSI |
| Form Factor | Modular | Modular | Modular | PCIe | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 50°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 70°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | N/A | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco | Cisco Catalyst 6500 Series | Cisco | Cisco / Juniper / Arista | Cisco, Juniper, Arista, Dell, HP |
| Max Speed | 100Mbps | N/A | 10Gbps | OC-3 (155Mbps) | 10Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | High Availability / Redundancy / Advanced Routing / QoS | Auto-negotiation / Jumbo Frames / QoS | ATM switching / QoS / Hot-swappable | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 15W | N/A | N/A | 5W | 15W |
| Interface Ports | Ethernet | N/A | 24 SFP ports, 2 SFP+ uplink ports | Fiber-Optic | Ethernet |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | WS-X6148A-RJ-45 | WS-SUP720-3BXL Supervisor Engine 720 | WS-X6824-SFP-2TXL | SPA-4XOC3-ATM | WS-F6700-DFC3B |
| Height | N/A | N/A | N/A | N/A | 1.5 inches |
| Width | N/A | N/A | N/A | N/A | 4.4 inches |
| Depth | N/A | N/A | N/A | N/A | 0.7 inches |
| Weight | N/A | N/A | N/A | N/A | 0.5 lbs |
The WS-X6148A-RJ-45 is a great line card for our network. It ensures reliable 10/100 Ethernet connections, supporting heavy traffic with ease.
This line card integrates seamlessly into our infrastructure. It offers stable and fast Ethernet connections, even during peak traffic periods.
The WS-X6148A-RJ-45 provides excellent value. It delivers solid Ethernet connectivity and is highly reliable in our setup.
This line card is perfect for expanding our network. The WS-X6148A-RJ-45 ensures stable performance and high-speed connectivity for all devices.
The WS-X6148A-RJ-45 offers fast, reliable Ethernet connectivity. It's been a great addition to our network, improving performance across the board.
The Cisco WS-X6148A-RJ-45 is a 48-port 10/100 Ethernet line card for Catalyst 6500 series, featuring TDR diagnostics and upgradable PoE 802.3af support.
It supports 48 RJ-45 ports at 10/100 Mbps, providing non-blocking wire-speed connectivity for critical network segments.
Yes, it supports PoE 802.3af on all 48 ports, delivering up to 15.4 W per port when paired with a compatible power supply.
TDR enables real-time copper cable diagnostics by detecting opens, shorts, and impedance mismatches without external testing tools.