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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.
The WS-X6148A-RJ-45 is compatible with Cisco Catalyst 6500 and 7600 series chassis equipped with enhanced expansion slots.
Yes, with a supervisor engine that supports NSF/SSO, the WS-X6148A-RJ-45 is hot-swappable for in-service line-card upgrades.
Power off the chassis, slide the module into an available enhanced slot, secure the captive screws, then power on and verify with “show module.”
Cisco IOS 12.2SXE or later is required to enable PoE, TDR diagnostics, and advanced switching features on this module.
In global configuration mode, use “power inline {auto | never}” under each interface, set priority with “power inline priority,” and verify via “show power inline.”
Enter “test cable-diagnostics tdr interface <slot/port>” in exec mode, then view the results with “show cable-diagnostics tdr interface <slot/port>.”
The module consumes 90 W and supports an optional 370 W PoE budget; ensure a compatible PWR-C3-6500AC or equivalent power supply is installed.
Use Cisco IOS CLI, SNMP, and Cisco Prime for centralized management, monitoring port status with “show interfaces status” and “show module.”
Yes, it supports per-port policing, shaping, and priority queuing through Cisco Catalyst IOS QoS policy configurations.
Yes, Catalyst 6500 supports mixed line-card configurations, subject to power, cooling, and backplane capacity limits.
It is covered by Cisco’s limited lifetime hardware warranty, 90-day software maintenance, and optional SMARTnet support contracts.
Bandwidth upgrades require a supervisor engine license for advanced performance; for Gigabit ports, replace with a WS-X6748-SFP or similar module.
Order using SKU WS-X6148A-RJ-45 via Cisco authorized resellers or Cisco Commerce Workspace; verify part numbers on Cisco’s ordering portal.