Cisco

Cisco WS-X4148-RJ | 48x 10/100 RJ-45 line card | PoE: none | uplinks: none

Cisco WS-X4148-RJ | 48x 10/100 RJ-45 line card | PoE: none | uplinks: none

SKU:WS-X4148-RJ

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Description

High-density Fast Ethernet RJ-45 line card delivering 48x 10/100 Mbps access ports for legacy access layers. Ideal for voice/data VLAN segmentation, QoS marking, and cost-effective campus expansion on compatible modular chassis.

Features

- High-density 48-port Fast Ethernet for large access deployments
- Cost-effective way to extend legacy campus edge
- Standards-based VLAN and QoS for voice/data segmentation
- Auto MDI/MDI-X simplifies cabling and moves/adds/changes
- Backplane integration for flexible uplink strategy via other modules

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: Does this module provide PoE for IP phones or access points?
A: No. It is a data-only 10/100 RJ-45 module with no PoE capability.

Q: Which chassis and supervisors are supported?
A: It is intended for the same-series modular chassis (e.g., 4000/4500 family). Check your specific chassis, supervisor, and software release notes for compatibility.

Q: Are any SFP or GBIC uplinks included on the card?
A: No. This card provides 48 copper access ports; uplinks are provided by other modules or the chassis fabric.

Q: What cable type do I need?
A: Use Cat5e or better twisted-pair copper up to 100 meters for 100BASE-TX.

Q: Can I mix this with other line cards in the same chassis?
A: Yes, mixed configurations are common, provided the supervisor and software support all installed modules.

Technical Specifications

- Port density: 48x Fast Ethernet (10/100 Mbps)
- Connector type: RJ-45 (auto MDI/MDI-X)
- PoE capability: None (data-only)
- 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: Compatible with select modular chassis in the same series (verify supervisor/IOS support)
- Power: Draws from chassis power supply (no external adapters)

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