Pointer to an entry in docsIfCmtsCmStatusTable identifying
the Cable Modem using this Service Queue. If multiple
Cable Modems are using this Service Queue, the value of
this object is zero.
This object has been deprecated and replaced by
docsIfCmtsServiceNewCmStatusIndex, to fix a mismatch
of the value range with respect to docsIfCmtsCmStatusIndex
(1..2147483647).