cPCI

compact PCI (PICMG)

CPRI

Common Public Radio Interface - an interface between the base station and the radio equipment

CPRI

Common Public Radio Interface - interface of base stations between the Radio Equipment Controllers (REC) to local or remote radio units, known as Radio Equipment (RE)

CPU

central processing unit

CT bus

TDM based Computer Telephony (CT) bus defined by ECTF, often referred to as H.100 (used with PCI) or H.110 (used with cPCI) involving dedicated lines for CLK, FrameSync, and data.

CU

cooling unit - an active part of a chassis responsible to provided forced air cooling