{HEAD ~ The user processes} are configured for execution on {TAIL ~ the processors} for interfacing multiple subscriber locations 
{ HEAD ~ The user processes } are configured for execution on { TAIL ~ the processors } for interfacing multiple subscriber locations
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH