CTC Union SHDTU03, Руководство пользователя

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APPENDIX
A-1
Appendix I
AMI Alternate mark inversion
B8ZS Bipolar 8 zero substitution
CAS Also known as timeslot 16 multiframing, requires a multiframe
alignment signal to represent for frame sync.
CRC4 Cyclic redundancy check 4 bit
E BIT GEN Remote End Block Error Bit generation
EOC Embedded operations channel
ES Number of Error second (Errors/Second)
ESF Extended super frame
FAS Frame alignment signal
LINE BUILD OUTS Cable used between NTU and Router or PABX
LOSW Loss of synchronization word
PSD Power spectral density
RAI Remote alarm indication
R1 ASYM Symmetric speed, 784kbps for Annex A or 2312kbps for
Annex B
R2 ASYM Symmetric speed, 1552kbps for Annex A or 2056kbps for
Annex B
SES(Severe Error
Second)
Number of SES (more than 832 CRC errors / second.
Approximately equivalent to a bit error rate of 1 x 10
-3
.
SF Super Frame
SNR MARGIN Signal to noise ration margin
SYNC Synchronization
TX POWER Transmission power
UAS Number of Unavailable second (more than10 seconds.)