Preliminary Information
MH89790B
7
6
5
4
3
2
1
0
TFSYN
1 Out of Sync
0 In Sync
MFSYN
1 Out of Sync
0 In Sync
ERR
Frame
SLIP
Changes
State when
Slip
RXAIS
TXTS16AIS
XS
1 XSt High
0 XSt Low
UNUSED
1 Alarm
Detected
1 Alarm
Detected
Alignment
Signal Error
Count
0 No Alarm
0 No Alarm
Performed
Master Status Word 1 (MSW1) - CSTo, Channel 18
Si2
Si1
UNUSED
CRC Timer
Transition
CRC Ref
1 Reframed
forced by lack
CRC Sync
1 CRC Frame
not Detected
FrmPhase
Bit 8 of Phase
Status Word
Remote SMF2 Remote SMF1
is:
1 Correct
0 Errored
is:
1 Correct
0 Errored
from 1 to 0
indicates start
of the CRC
Error Count
of CRC frame 0 CRC Frame
Detected
Master Status Word 2 (MSW2) - CSTo, Channel 21
TxTSC
TxBTC
Transmit Bit Count - bit positions within TxTSC
between F0i and E8Ko
Transmit Timeslot Count, Timeslots between F0i and E8Ko
Phase Status Word - CSTo, Channel 19
CERC 0 - 7
Bits 0 - 7 of CRC Error Counter
CRC Error Counter - CSTo, Channel 20
A(N)
Rx
B(N)
Rx
C(N)
Rx
D(N)
Rx
A(N+15)
Rx
B(N+15)
Rx
C(N+15)
Rx
D(N+15)
Rx
Signalling Bit
Signalling Bit
Signalling Bit
Signalling Bit
Signalling Bit
Signalling Bit
Signalling Bit
Signalling Bit
Received Channel Associated Signalling - CSTo, Channels N = 1 to 15
IUO
International
Bit
FAF2-8
Received Frame Alignment Signal
Received Frame Alignment Signal - CSTo, Channel 16
MA1-4
X1
Y
X2, X3
International Bits
1 Remote MF
Lost
Received Multiframe Alignment Signal
International
Bit
0 Remote MF
Detected
Received Multiframe Alignment Signals - CSTo, Channel 0
IU1
NFAF
ALM
NU1-5
Reserved for
International
Use
1 Detected
Bits Reserved for National Use
0 Not
Detected
Received Non-Frame Alignment Signal - CSTo, Channel 17
4-217
MITEL [ MITEL NETWORKS CORPORATION ]
