
Appendix C. Acronyms/Abbreviations
DDS | digital data service |
DLCI | data link connection identifier |
DS1 | digital signal level one |
DS3 | digital signal level three |
DSR | data set ready |
DSU | data service unit |
DTE | data terminal equipment |
DTR | data terminal ready |
ES | errored seconds |
EXZ | excessive zeros |
FBE | |
FCC | Federal Communications Commission |
FDL | facility datalink |
FEBE | far end block error |
HSSI | |
IP | internet protocol |
KA | keep alive |
LAN | local area network |
LCV | line coding violation |
LED | light emitting diode |
LES | line errored seconds |
LL | local loopback |
LOS | loss of signal |
MBE | |
Mbps | megabits per second |
MIB | management information base |
ms | millisecond |
NC | normally closed |
NI | network interface |
NMS | network management system |
NO | normally open |
NRZ | |
OCU | office channel unit |
T3SU 300 User Manual |