Appendix G – Glossary
Page 166 Acterna ANT-5
CLP Cell Loss Priority
CLR Cell Loss Ratio
CMIP Common Management Information Protocol
C-n Container; n = 1, 2, 3, 4
CSES Consecutive Severely Errored Seconds
CTD Cell Transfer Delay
D1-3 196 kbit/s DCC for regenerator section (RSOH)
D4-12 576 kbit/s DCC for multiplex section (MSOH)
DCC Data Communication Channel
DCN Data Communication Network
DM Degraded Minutes
DS1 Electrical interface signal, 1544 kbit/s
DS3 Electrical interface signal, 44736 kbit/s
DUT Device Under Test, either an individual item of equipment or
a network element which is the interface to a larger system
DXC Digital Cross-Connect
E1 Electrical interface signal, 2048 kbit/s.
Also service channel (voice) in regenerator section (RSOH).
E2 Electrical interface signal, 8448 kbit/s.
Also service channel (voice) in multiplex section (MSOH).
E3 Electrical interface signal, 34368 kbit/s
E4 Electrical interface signal, 139264 kbit/s
EBC Errored Block Count
ECC Embedded Communication Channel
ECL Emitter Coupled Logic
EDC Error Detection Code
EFS Error-Free Second