79afe4ac_nfiguring_the_Blades___DocWiki__Parameter
[Default] CRC4 [Explanation] Specifies the framing protocol used on this span. Determined by the service provider. We recommend using CRC4 only. [Possible Values] CRC4 non-CRC4 [Parameter] 
Framing
Cisco Unified MeetingPlace Release 6.1 -- About Configuring the Blades - DocWiki