Hirschmann 942 335-028 SPR20-8TX/1FM-EEC Unmanaged Din Rail Fast/Gigabit Ethernet Switches

Product Overview

• Description: This unmanaged industrial Ethernet rail switch features a fanless design with store-and-forward switching mode. It supports Fast Ethernet and includes a USB interface for configuration, making it a robust and reliable solution for industrial networking needs.

Ports

• Port Type and Quantity:
• 8 x 10/100BASE-TX: TP cable, RJ45 sockets with auto-crossing, auto-negotiation, and auto-polarity.
• 1 x 100BASE-FX: Multimode fiber (MM) cable with SC sockets, supporting long-distance fiber connections.

Additional Interfaces

• USB Interface: 1 x USB for configuration, enabling easy setup and management.

Power Supply and Signaling Contact

• Power Supply Contact: 1 x plug-in terminal block, 6-pin for power input.

Network Size and Cable Length

• Twisted Pair (TP): 0 - 100 m for standard Ethernet connections.
• Multimode Fiber (MM) 50/125 µm: 0 - 5000 m with a Link Budget at 1310 nm = 0 - 8 dB (A=1 dB/km; BLP = 800 MHz*km).
• Multimode Fiber (MM) 62.5/125 µm: 0 - 4000 m with a Link Budget at 1300 nm = 0 - 11 dB (A=1 dB/km; BLP = 500 MHz*km).

Network Size and Cascadibility

• Topology: Supports both line and star topologies for flexible network configurations.

Power Requirements

• Current Consumption at 24 V DC: Max. 200 mA
• Operating Voltage: 12/24 V DC (9.6 - 32 V DC), redundant
• Power Consumption: Max. 5.0 W
• Power Output in BTU (IT)/h: 16.9