Cisco

Cisco WS-X4148-RJ45V | 48x 10/100 RJ-45 | PoE: Inline Power (pre-802.3af) | uplinks: none

Cisco WS-X4148-RJ45V | 48x 10/100 RJ-45 | PoE: Inline Power (pre-802.3af) | uplinks: none

SKU:WS-X4148-RJ45V

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Description

48-port Fast Ethernet access line card with built-in Inline Power to energize compatible IP phones and access points without local power bricks. Ideal for voice-ready access layers on legacy campus platforms.

Features

- Voice-ready access with integrated Inline Power
- 48-port density for large edge deployments
- Reduced need for external power bricks at the desk
- Standards-based VLAN/QoS for converged voice/data networks
- Backplane integration allows flexible uplink choices elsewhere in the chassis

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Is the PoE standard 802.3af?
A: The module provides Cisco Inline Power and may support 802.3af operation depending on the chassis, supervisor, and software. Review your platform’s release notes to confirm.

Q: Do I need special power supplies?
A: Yes. Adequate chassis power supplies are required to deliver Inline Power/PoE to connected endpoints.

Q: Can data-only devices connect without receiving power?
A: Yes. Non-PoE devices operate normally; the port will not deliver power unless a powered device is detected.

Q: Are SFP or GBIC uplinks included?
A: No. This is a copper access card; uplinks are provided by other modules or the supervisor.

Q: Which chassis are compatible?
A: It targets the same-series 4000/4500 modular platforms. Confirm supervisor and software compatibility for your exact chassis.

Technical Specifications

- Port density: 48x Fast Ethernet (10/100 Mbps)
- Connector type: RJ-45 (auto MDI/MDI-X)
- PoE capability: Cisco Inline Power; 802.3af behavior may depend on chassis/supervisor and PSU
- Uplinks on module: None (uses chassis backplane/fabric)
- Layer features: 802.1Q VLAN, 802.1p QoS, auto-negotiation
- Cabling: Cat5/5e/6 up to 100 m for 100BASE-TX
- Chassis support: Intended for same-series modular chassis (e.g., 4000/4500); verify supervisor/IOS and power supply support
- Power budget: Dependent on chassis power supplies and total PoE load

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