Cisco

Cisco SPA-4XFE-TX | 4x 10/100Base‑TX RJ‑45 | autosensing full/half duplex | 802.1Q VLAN & 802.3x flow control | SPA for SIP carriers

SKU:SPA-4XFE-TX

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Description

Four-port Fast Ethernet SPA delivering routed 10/100Base-TX interfaces for WAN/LAN handoff, branch aggregation, and service termination. Simple copper connectivity with autosensing speed/duplex and VLAN tagging support.

Features

- Compact 4x Fast Ethernet copper connectivity
- Auto-negotiation with auto MDI/MDIX for simple deployment
- Standards-based VLAN tagging and flow control
- Hardware-level reliability via modular SPA form factor
- Ideal for branch handoffs and service provider demarcation

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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Technical Specifications

Technical Specifications

- Ports: 4x 10/100Base-TX (RJ-45)
- Speed/duplex: Auto-negotiation (10/100 Mbps, full/half duplex)
- MDI/MDIX: Automatic
- Standards: IEEE 802.3, 802.3u, 802.3x flow control
- Layer 2 features: 802.1Q VLAN tagging, 802.1p CoS (platform-dependent)
- PoE: Not supported (data-only)
- Use case: Routed FE handoff and aggregation on modular routers
- Platform requirement: Installs in a compatible SPA Interface Processor (SIP)

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