ds26504 Maxim Integrated Products, Inc., ds26504 Datasheet - Page 46

• Manufacturer Part Number: ds26504
• Description: Ds26504 T1/e1/j1/64kcc Bits Element
• Manufacturer: Maxim Integrated Products, Inc.

Table 9-1. E1 Sync/Resync Criterion
MULTIFRAME
FRAME OR
LEVEL
CRC4
CAS
FAS
FAS present in frame N and
N + 2, and FAS not present in
frame N + 1
Two valid MF alignment
words found within 8ms
Valid MF alignment word
found and previous time slot
16 contains code other than
all zeros
SYNC CRITERION
46 of 128
Three consecutive incorrect FAS
received
Alternate: (E1RCR.2 = 1) The above
criterion is met or three consecutive
incorrect bit 2 of non-FAS received
915 or more CRC4 code words out of
1000 received in error
Two consecutive MF alignment
words received in error
RESYNC CRITERION
DS26504 T1/E1/J1/64KCC BITS Element
4.2 and 4.3.2
ITU SPEC.
G.732 5.2
G.706
G.706
4.1.1
4.1.2