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Name:
WS-X6148-21AF-UG
- Description:
- Cat6500 - PoE 802.3af upgrade - 6148-RJ-21
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- 746320894102
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3 Year Extended Warranty
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WS-X6148-21AF-UG Overview
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.
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WS-X6148-21AF-UG Specifications
| Product Type | Network Module |
| Module Type | Ethernet |
| Data Rate | 1Gbps |
| Connector Type | RJ-45 |
| Supported Protocols | TCP/IP |
| Form Factor | Modular |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco |
| Max Speed | 1Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | 15W |
| Interface Ports | Ethernet |
| Expansion Slots | N/A |
| Product Name | WS-X6148-21AF-UG |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
WS-X6148-21AF-UG Use Case
Enterprise IP Telephony Backbone Upgrade with WS-X6148-21AF-UG PoE 802.3af
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.
High-Density Wireless AP Rollout in Convention Centers
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.
Scalable IP Surveillance Expansion in Retail Distribution Hubs
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco | Cisco | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP |
| Connector Type | SFP+ | RJ-45 | SFP+ | SFP+ | RJ-45 |
| Data Rate | 10Gbps | 1Gbps | 10Gbps | 10G | 1Gbps |
| Depth | N/A | N/A | 5 inches | 0.5 inches | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Form Factor | Modular | Modular | PCIe | PCIe | PCIe |
| Height | N/A | N/A | 0.5 inches | 0.5 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | SFP+ | Ethernet | Ethernet | Ethernet | Ethernet |
| Max Speed | 10Gbps | 1Gbps | 10Gbps | 10Gbps | 1Gbps |
| Module Type | SFP+ | Ethernet | Ethernet | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 12W | 15W | 12W | 15W | N/A |
| Product Name | WS-X6848-SFP-2T | WS-X6148-21AF-UG | FAN-C6524 High-Performance Ethernet Module | FAN-MOD-4HS | WS-SVC-NAM-1-250S |
| Product Type | Network Module | Network Module | Network Module / Network Card | Network Module | Network Module |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS |
| Supported Protocols | TCP/IP, Ethernet | TCP/IP | TCP/IP, iSCSI | TCP/IP | TCP/IP, iSCSI |
| Weight | N/A | N/A | 1.2 lbs | 0.3 lbs | N/A |
| Width | N/A | N/A | 3.5 inches | 3.0 inches | N/A |
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Questions & Answers
Q
What is the Cisco WS-X6148-21AF-UG module?
A
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.
Q
Which switches support the WS-X6148-21AF-UG upgrade?
A
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.
Q
How many ports support PoE after installing this module?
A
All 48 ports on the upgraded 10/100 module support IEEE 802.3af PoE at up to 15.4W per port.
Q
What is the total PoE power budget provided?
A
The module delivers a maximum power budget of 370W for all 48 ports, subject to supervisor engine power-sourcing capacity.
Q
Can this upgrade module coexist with non-PoE line cards?
A
Yes. The WS-X6148-21AF-UG can be installed alongside non-PoE line cards in the same Catalyst 6500 chassis.
Q
What features are enabled by the 802.3af upgrade?
A
It enables automatic device detection, per-port power management, and IEEE 802.3af-compliant power delivery for IP phones, wireless access points, and cameras.
Q
How do I install the WS-X6148-21AF-UG module?
A
Power down the switch, slide the module into an available line-card slot, secure the captive screws, then power the chassis back on for automatic recognition.
Q
Is there any software configuration required?
A
No dedicated software is required; the module is auto-detected and PoE is enabled by default in Cisco IOS on supported supervisor engines.
Q
Does the upgrade affect network performance?
A
No. Data switching remains at wire speed (up to 6.4 Gbps throughput), with PoE operations performed in hardware without performance degradation.
Q
What are the environmental requirements for this module?
A
Operating temperature: 32°F to 113°F (0°C to 45°C); storage: –4°F to 158°F (–20°C to 70°C); humidity: 10% to 90% non-condensing.
Q
What warranty covers the WS-X6148-21AF-UG?
A
Cisco provides a limited lifetime warranty for the module when purchased through authorized channels, including return-to-factory replacement.
Q
How do I verify PoE status per port?
A
Use the Cisco IOS command `show power inline` to display detailed per-port power allocation and PoE status.
Q
Can I mix 802.3af and 802.3at devices on the same module?
A
Yes, but the WS-X6148-21AF-UG only delivers up to 15.4W per port (802.3af); 802.3at (30W) devices will negotiate to 802.3af levels.
Q
What is the SKU for ordering this upgrade module?
A
Order the Cisco Cisco WS-X6148-21AF-UG module using SKU 6148-RJ-21 to enable 48-port 802.3af PoE on Catalyst 6500.
Q
How does the 802.3af upgrade improve ROI?
A
It extends the life of existing 10/100 line cards by adding PoE support, avoiding costly replacement of entire modules or chassis.
