A/B add-on Amdahl Appleton b.gilmore BG Brian Camtec catch-all CJC CO Conf cons Copenhagen CPSE CRC CRCs DCE DCEs Dec DEL DFN DIS down-line DTE DTE/DCE Dynatech E.C.U.C E.R.C.C editing-type EDNET eg ERCC Feb FEPs GEC Gilmore hoc IBM ie ISO JANET JNT KB kb/s Kilostream LCGN LCGs LCN LCNs look-up lunchtime micro micros MTBF multi-purpose multi-switch Multi-user Networkshop NLP Non-immediate non-ISO non-manufacturer non-volatile non-zero NRS occurence Oct OSI outages oversize PSE PSEs PSS PSSE re-boot re-booting re-used recognised REJ Req ROM Salford SEEL SSMP stand-alone SVC SVCs Telefile Telematics TelePAC timescale UK utilising VT VTP WG XCALL XXX zero-filled