RM-SR-T9 The RM-SR-T9 gives you the ability to mount your Sophos desktop firewalls in a 19" rack. The rack is tailored specifically for the listed models to guarantee a perfect fit. In addition, the connections are brought to the front for easy access. The power supply is fixated to prevent an accidental loss of power. Assembly will take about 5 minutes. Simply slide your Sophos device in the kit, place the retainers, connect the supplied cables to the keystones and fix the power supply to the rack. Other colors can be delivered on project basis.