30TP and 30TC Series Communication Connectivity Cover (White). For 30TP-2V / 30TC-2V and 30TP-4V / 30TC-4V Series. 12'' (305mm) long. Communication covers for additional voice/data connectors. Each cover includes Kos for four RJ11/RJ45 connectors (.760'' x .576'' (19.3mm x 14.6mm)), mouse hole for exiting communication cables (grommet furnished).