Northern Telecom DMS-100 Series Maintenance Manual page 223

Common Channel Interoffice Signaling No. 6 (CCIS6)
A common channel signaling (CCS) system that uses analog trunks for the
North American customers. CCIS6 uses fixed-length signaling messages.
computing module (CM)
The processor and memory of the dual-plane combined core (DPCC) used
by DMS SuperNode. Each CM consists of a pair of CPUs with associated
memory. The CPUs operate in a synchronous matched mode on two
separate planes. Only one plane is active and the plane maintains control of
the system while the other plane is on standby.
CPU
central processing unit
C-side
central side
CSM
channel supervision message
DCM
digital carrier module
digital carrier module (DCM)
A peripheral module (PM), located in a digital carrier equipment frame, that
provides speech and signaling interfaces between a DS30 network port and
digital trunks. A DCM contains a maximum of five line cards.
Digital Multiplex System (DMS)
A central office switching system in which all external signals are converted
to digital data and are stored in assigned time slots. The DMS assigns the
original time slots again to perform the switching.
digital trunk controller (DTC)
A peripheral module that connects DS30 links from the network with digital
trunk circuits.
DMS
Digital Multiplex System
activate these commands
DMS-100 Family Networks Maintenance Guide BASE10
List of terms 17-3