p>< p>The < em>< strong>Sound Control Technologies< /strong>< /em>' RC-RKC is a dual RU rack shelf designed specifically to mount the Cisco SX20 codec, Polycom RPG 300 or 500 codec, Radvision XT5000 codec and one em>strong>Sound Control Technologies< /strong>< /< em> head-end module.< /p> < p>The 12" deep shelf accommodates two power supplies, while still leaving access to the rear of the codec and module for clean and easy cabling.< /p>< /p>