The Fast Ethernet switch labeled with the product code RSB20-0900S2TTTAABEH has an extended operating temperature and a plug-in terminal block interface. The unit is designed and manufactured by Hirschmann and it has an operating voltage rating of 24 Volts DC. This managed switch supports the usage of SM cable s and it includes a total of 9 ports. The device is intended for DIN Rail installation and it is rated with the IP 20 protection class.

Available Now 
Warranty: 1 year Networking-Hardware Warranty Included
Shipping: Worldwide shipping via DHL, UPS, Fedex, and TNT
Repairs: We offer repair service for the RSB20-0900S2TTTAABEH.
Exchange: Exchange credit for your defective unit available.

Request a Quote

Add more parts to quote
 Rated 4.9 with 16 reviews

Speak Now

To Speak to a sales representative for pricing & lead time:





About RSB20-0900S2TTTAABEH

The catalog number RSB20-0900S2TTTAABEH describes a Hirschmann brand managed industrial switch intended for applications in high-profile machine control systems. This switch is highly reliable and it provides the flexibility that is necessary in order to incorporate the device into a control system for various applications. The switch is equipped with 9 ports and it has LED indicators for diagnostics purposes. The RSB20-0900S2TTTAABEH managed switch includes a single 100BASE-FX/SM-SC port that is used for the first uplink and two 10/100BASE-TX/RJ45 ports that are used for the second uplink. Additionally, the unit has 6 standard 10/100 BASE TX/RJ45 ports that can be used for various purposes. The RSB20-0900S2TTTAABEH managed switch has an operating voltage of 24 Volts DC with a voltage range 18 to 32 Volts DC and it has a specified current consumption rating of 265 milliamps. In addition to that, the unit has a power output rating of 22.1 BTU per hour and a protection class of IP 20. 


The Hirschmann RSB20-0900S2TTTAABEH managed Ethernet switch supports a network cable of the single mode fiber type with a length of 0 to 32.5 kilometers. The cable specifications include 16 decibels of link budget at 1300 N-m and the unit can operate with any line or star topology for easy network size cascadibility. The typical reconfiguration time for the ring structure for this switch, which is made with up to 50 switches, is less than 0.3 seconds. The RSB20-0900S2TTTAABEH managed Ethernet switch is part of the Hirschmann RSB20 switch series and it provides several convenient features for the configuration, adjustments, time synchronization, settings, filters, security, diagnostics, and management settings. The RSB20-0900S2TTTAABEH managed Ethernet switch has an operating temperature range of -40 to 70 degrees Celsius (-40 to 158 degrees Fahrenheit). This extended operating temperature is the same as the temperature range for device storage or transport.


Technical specifications


Managed Switches


1 x 100BASE-FX/SM-SC Port, 2 x 10/100BASE-TX/RJ45 Ports, 6 x Standard 10/100 BASE TX/RJ45 Ports

0 to 32.5 kilometers

24 Volts DC (18 to 32 Volts DC)

265 milliamps

22.1 BTU per Hour

IP 20

400 grams (0.88 pounds)

71 x 131 x 111 millimeters (2.8 x 5.1 x 4.3 inches)

-40 to 70 degrees Celsius (-40 to 158 degrees Fahrenheit)

-40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit)


Common misspellings:

Common misspellings: