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Section 14
Glossary
186
CB
CBM
CCITT
CCM
CCVT
Class C
CMPPS
CMT
CO cycle
Codirectional
COM
COMTRADE
Contra-directional
COT
CPU
CR
CRC
CROB
CS
CT
CU
CVT or CCVT
DAR
DARPA
DBDL
Circuit breaker
Combined backplane module
Consultative Committee for International Telegraph and
Telephony. A United Nations-sponsored standards body within
the International Telecommunications Union.
CAN carrier module
Capacitive Coupled Voltage Transformer
Protection Current Transformer class as per IEEE/ ANSI
Combined megapulses per second
Communication Management tool in PCM600
Close-open cycle
Way of transmitting G.703 over a balanced line. Involves two
twisted pairs making it possible to transmit information in both
directions
Command
Standard Common Format for Transient Data Exchange format
for Disturbance recorder according to IEEE/ANSI C37.111,
1999 / IEC60255-24
Way of transmitting G.703 over a balanced line. Involves four
twisted pairs, two of which are used for transmitting data in both
directions and two for transmitting clock signals
Cause of transmission
Central processing unit
Carrier receive
Cyclic redundancy check
Control relay output block
Carrier send
Current transformer
Communication unit
Capacitive voltage transformer
Delayed autoreclosing
Defense Advanced Research Projects Agency (The US
developer of the TCP/IP protocol etc.)
Dead bus dead line
1MRK 511 366-UUS -
Commissioning manual
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