Fast Ethernet switch ROLINE 21.14.3133 Pocket 5 port

The ROLINE Fast Ethernet Switch 21.14.3133 is a very flat pocket-size 5‑port switch housed in a stable metal casing. It provides five 10/100BaseTX ports for wired network connections and supports full-duplex operation and flow control for reliable data transfer. The compact design and plug-and-play operation make this switch suitable for small networks and portable setups.

Advantages

The metal casing increases durability while the compact, low-profile form factor enables easy placement or transport. Auto-MDI/MDIX and Auto-Negotiation simplify connectivity without manual configuration. Store-and-forward switching with a non‑blocking architecture and a 2K MAC address table ensure consistent performance for multiple devices.

Suitable for

• Small home or office networks
• Temporary or on-the-go network setups
• Extending wired connections for laptops and desktops
• Environments where a compact, durable switch is required

Key specifications

• Ports: 5 × 10/100BaseTX
• Dimensions: 79 × 62 × 20 mm
• MAC address table: 2K entries
• Casing: metal
• Switching method: Store and Forward, non‑blocking
• Features: Auto-MDI/MDIX, Auto-Negotiation, full-duplex, Flow Control
• Power supply: 5 V DC, 1.2 A or via USB connection from PC

How to use

Connect Ethernet cables from your devices to the switch's 10/100BaseTX ports, and power the unit using the included 5 V DC adapter or the USB power cable to a PC. The switch is plug-and-play: once powered, it will automatically negotiate link speed and duplex settings for connected devices without manual configuration. Place the switch on a stable surface or carry it in a bag for mobile use.

Recommendations

For best results, use quality Ethernet cables and ensure adequate ventilation around the metal casing. If powering via USB, confirm the host port can supply 1.2 A. Avoid placing the switch in areas with extreme temperatures or heavy moisture.