The CIS Secure DTD-RACK-PI-XX is designed for use with the VoIP Power Injector. The rack holds up to 12 power injectors at a time. The DTD-RACK-PI-XX is used for the CIS Class A Approved devices only. VoIP devices must be approved for the use with DTD-VOIP-PI-02. The rack is available with redundant power supply (optional). The CIS Secure DTD-VOIP-PI-02 mounts easily into the DTD-RACK-PI-XX using a blind mate power connector and is held in place by the removable front bracket.