DS2154
Must be cleared and set again for a subsequent resync.
SYNC/RESYNC CRITERIA Table 3-1
FRAME OR MULTI-
FRAME LEVEL
SYNC CRITERIA
RESYNC CRITERIA
ITU SPEC.
FAS
FAS present in frame N and N +
2, and FAS not present in frame
N + 1
Three consecutive
incorrect FAS received
G.706
4.1.1
4.1.2
Alternate (RCR1.2=1)
the above criteria is met
or three consecutive
incorrect bit 2 of non-
FAS received
CRC4
CAS
Two valid MF alignment words
found within 8 ms
915 or more CRC4 code
words out of 1000
received in error
G.706
4.2 and 4.3.2
Valid MF alignment word found
and previous timeslot 16 contains alignment words
code other than all 0s received in error
Two consecutive MF
G.732
5.2
22 of 87
DALLAS [ DALLAS SEMICONDUCTOR ]
