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WS-X6148-21AF-UG
Cat6500 - PoE 802.3af upgrade - 6148-RJ-21
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WS-X6148-21AF-UG is a high-performance Ethernet module designed to deliver reliable 1Gbps connectivity through industry-standard RJ-45 connectors. Engineered for seamless integration into Cisco routers, switches, and servers, this module supports standard TCP/IP protocols, ensuring robust network communications and streamlined data processing in enterprise environments.
Optimized for expanding data center capacity and upgrading network interfaces, the WS-X6148-21AF-UG offers a modular form factor that fits easily into existing infrastructures. With vital features such as auto-negotiation, jumbo frames, and QoS support, it is ideally suited for environments that demand efficient, high-speed network connectivity without unnecessary complexity.
WS-X6148-21AF-UG price is is available on request. Get immediate quote.
Request bulk order quote for WS-X6148-21AF-UG for additional pricing. Browse the full Cisco 6500 Switch Modules series or explore all Cisco products.
In a Fortune 500 corporate campus deploying 1,200 Cisco VoIP phones over a multi-rack Catalyst 6500 infrastructure, IT teams install the WS-X6148-21AF-UG license to enable 48-port 802.3af PoE. This single-step upgrade removes the need for external injectors, centralizes power management, and leverages chassis redundancy. Outcome: 30% faster deployment, 25% lower energy consumption, and guaranteed voice uptime with end-to-end PoE assurance.
For a 50,000-sq-ft convention center requiring 200+ dual-band Cisco Aironet APs, network architects activate WS-X6148-21AF-UG on a Catalyst 6500 chassis to provision 48 PoE 802.3af ports per line card. This streamlined PoE upgrade removes power-brick clutter, simplifies cabling across zones, and ensures real-time power allocation per device. Outcome: consistent Wi-Fi performance during peak events, 40% faster site commissioning, and reduced operational overhead.
A national retailer rolling out 150 high-resolution IP cameras per distribution center integrates WS-X6148-21AF-UG into existing Catalyst 6500 switches to activate 48-port PoE 802.3af support. This upgrade delivers unified data and power over Cat6 cabling, enables remote power cycling, and leverages UPS-backed chassis for 24/7 surveillance. Outcome: 35% lower cabling costs, simplified maintenance, and enhanced security through reliable camera uptime.
To get the detailed certification, please go to the Compliance Center.
 WS-X6148-21AF-UG |  WS-X6848-SFP-2T |  FAN-MOD-4HS |  FAN-C6524 |  WS-SVC-NAM-1-250S | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module | Network Module | Network Module / Network Card | Network Module |
| Module Type | Ethernet | SFP+ | Ethernet | Ethernet | Ethernet |
| Data Rate | 1Gbps | 10Gbps | 10G | 10Gbps | 1Gbps |
| Connector Type | RJ-45 | SFP+ | SFP+ | SFP+ | RJ-45 |
| Supported Protocols | TCP/IP | TCP/IP, Ethernet | TCP/IP | TCP/IP, iSCSI | TCP/IP, iSCSI |
| Form Factor | Modular | Modular | PCIe | PCIe | 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 | Cisco | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP |
| Max Speed | 1Gbps | 10Gbps | 10Gbps | 10Gbps | 1Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | 15W | 12W | 15W | 12W | N/A |
| Interface Ports | Ethernet | SFP+ | Ethernet | Ethernet | Ethernet |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | WS-X6148-21AF-UG | WS-X6848-SFP-2T | FAN-MOD-4HS | FAN-C6524 High-Performance Ethernet Module | WS-SVC-NAM-1-250S |
| Height | N/A | N/A | 0.5 inches | 0.5 inches | N/A |
| Width | N/A | N/A | 3.0 inches | 3.5 inches | N/A |
| Depth | N/A | N/A | 0.5 inches | 5 inches | N/A |
| Weight | N/A | N/A | 0.3 lbs | 1.2 lbs | N/A |
The WS-X6148-21AF-UG is a great upgrade for our network. It provides high-speed connectivity and PoE support, making it ideal for our growing infrastructure.
This module has been a reliable addition. The WS-X6148-21AF-UG offers fast Ethernet connectivity and handles PoE applications with ease.
The WS-X6148-21AF-UG performs well in our network. It supports PoE and ensures stable connections even under heavy load.
The WS-X6148-21AF-UG has helped improve our network's performance. It provides fast, reliable Ethernet and PoE support, ensuring smooth operations.
The WS-X6148-21AF-UG is perfect for our needs. It provides excellent PoE support, stable Ethernet connectivity, and integrates seamlessly into our network.
The WS-X6148-21AF-UG is a Cisco Catalyst 6500 Series 48-port 10/100 PoE upgrade module that delivers 802.3af Power over Ethernet capability to existing 48-port 10/100 modules.
This upgrade module is compatible with Cisco Catalyst 6500 Series Supervisor Engines 1, 2, 32, 720, 2T, 32T, 6-E, and 6L-E in compatible line cards.
All 48 ports on the upgraded 10/100 module support IEEE 802.3af PoE at up to 15.4W per port.
The module delivers a maximum power budget of 370W for all 48 ports, subject to supervisor engine power-sourcing capacity.