ADTRAN 1200287L1 User Manual page 172

Appendix C. Acronyms/Abbreviations
PES.................. P-bit errored seconds
POP................. point of presence
PPP.................. point-to-point protocol
PRF ................. performance
PSES ............... P-bit severely errored seconds
PSTN............... public switched telephone network
PVC................. permanent virtual circuit
RD ................... receive data
RDL ................ remote digital loopback
RL ................... remote loopback
RMA ............... return material authorization
RS.................... request to send
RTS ................. request to send
Rx .................... receive
SA.................... service affecting
SEFS ............... severely errored framing seconds
SES.................. severely errored seconds
SLIP ................ serial line internet protocol
SNMP.............. simple network management protocol
SONET ........... synchronous optical network
SR.................... data set ready
SW56............... switched 56
sync ................. synchronous
TA.................... terminal equipment available
TD ................... transmit data
TDM................ time division multiplexing
TM .................. test mode
C-4 MX2800 STS-1 User Manual 61200659L1-1