Cisco

Cisco WS-X4448-GB-SFP | Switch: 48x 1GbE SFP (1000BASE-X), non-PoE

Cisco WS-X4448-GB-SFP | Switch: 48x 1GbE SFP (1000BASE-X), non-PoE

SKU:WS-X4448-GB-SFP

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Description

Ultra–high-density 48-port 1 Gigabit Ethernet SFP line card for Catalyst 4500 chassis, ideal for fiber-rich access and aggregation. Provides wire-speed 1000BASE-X connectivity with flexible SFP options, hot-swap operation, and supervisor-enabled L2/L3, VLAN, and QoS services.

Features

- 48-port 1G SFP density for fiber-dense access layers
- Line-rate performance across all interfaces
- Flexible optics portfolio for MMF, SMF, and long-reach links
- Hot-swappable module for service continuity
- Rich campus features via Catalyst 4500 supervisors (VLAN, QoS, ACLs)

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: Are SFP transceivers included?
A: No, SFPs are sold separately.

Q: Does this module support PoE?
A: No, it does not provide PoE.

Q: Can I use 1G copper SFPs?
A: Many deployments use 1000BASE-T SFPs; confirm chassis/supervisor software support.

Q: Is it compatible with both 4500 and 4500-E chassis?
A: Yes, consult the compatibility matrix for specific supervisor engines and software versions.

Q: What features are available at Layer 3?
A: L3 services are provided by the installed supervisor engine and software license.

Technical Specifications

- Ports: 48x 1GbE via SFP slots (1000BASE-X)
- Optics form factor: SFP; supports common 1G SFPs (SX, LX/LH, ZX, BX; CWDM/DWDM where supported)
- Standards: IEEE 802.3z (1000BASE-X), 802.1Q VLAN, 802.1p CoS
- Duplex: Full-duplex
- Jumbo frames: supported (platform/supervisor dependent)
- PoE: Not supported on this module
- Performance: Wire-speed forwarding per port (subject to chassis/supervisor capabilities)
- Layer features: L2 switching; L3 capabilities via chassis supervisor engine
- Hot swap: Yes, OIR supported
- Management: Via Catalyst 4500 supervisor (Cisco IOS)
- Compatibility: Catalyst 4500/4500-E chassis (check HCL and release notes)
- Connector: LC for fiber SFPs; 1G copper SFPs may be supported subject to platform

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