The Hirschmann Automation GMM40-TTTTTTTTTVYHHS9 Greyhound rack mount switches media module is designed with the Hirschmann standard customization options and with the standard hardware. This switch media module operates with an extended temperature range from -40 to 70 degrees Celsius. This module also comes with 8 ports.

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Repairs: We offer repair service for the GMM40-TTTTTTTTTVYHHS9.
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The GMM40-TTTTTTTTTVYHHS9 media module is a Hirschmann Greyhound rack mount switch series media module that is meant to operate with an Ethernet network. This module has been designed by Hirschmann Automation. This media module comes with 8 ports that can be used with twisted pair cables and that have RJ45 sockets for connectors. These ports have a data transfer rate of 10, 100, and 1000 Mbits per second depending on the application. The Hirschmann Automation GMM40-TTTTTTTTTVYHHS9 Greyhound media module has been designed to operate in harsh industrial conditions. It can withstand a temperature range of -40 to 70 degrees Celsius without suffering damages. This makes the module versatile enough to handle applications in different environments and in areas where the temperature cannot be controlled.


The Hirschmann Automation GMM40-TTTTTTTTTVYHHS9 Greyhound media module for the rack mount switches does not come with a terminal block or any other power supply module. A power supply module is available in the accessories catalog to pair with this media module and power it up This power supply has been designed to supply power to the switch only, to the switch and the PoE, or to the PoE only as required. It provides an operating voltage range of 24 to 48 Volts DC with 60 to 250 Volts DC maximum tolerable voltage. The power supply also provides an AC voltage range of 110 to 240 Volts AC. This power supply device has a power consumption rating of 35 to 38 Watts. The Hirschmann Automation GMM40-TTTTTTTTTVYHHS9 Greyhound media module comes with the standard Hirschmann customization options and the standard hardware. This module is installed in a cabinet so it can be safe during operation and not be affected by vibrations and shocks.


Technical specifications


Rack Mount Switches


Switch Media Module





Twisted-Pair (RJ45 Connector) Cables

-40 to 70 degrees Celsius

Hirschmann Standard



Common misspellings:

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