
DS26401 Octal T1/E1/J1 Framer
3
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
9.10
9.11
9.12
E
LASTIC
S
TORE
D
ELAY
A
FTER
I
NITIALIZATION
........................................................................................................126
9.13
F
RACTIONAL
T1 S
UPPORT
(G
APPED
C
LOCK
M
ODE
).................................................................................129
9.14
T1 T
RANSMIT
B
IT
O
RIENTED
C
ODE
(BOC) C
ONTROLLER
.........................................................................130
9.15
T1 T
RANSMIT
FDL..................................................................................................................................131
9.16
T
RANSMIT
SLC–96 O
PERATION
..............................................................................................................132
9.17
T
RANSMIT
HDLC C
ONTROLLER
...............................................................................................................133
9.18
HDLC T
RANSMIT
E
XAMPLE
.....................................................................................................................141
9.19
P
ROGRAMMABLE
I
N
-B
AND
L
OOP
-C
ODE
G
ENERATOR
................................................................................142
9.20
I
NTERLEAVED
PCM B
US
O
PERATION
(IBO).............................................................................................144
9.21
I
NTERFACING THE
T1 T
X
F
ORMATTER TO THE
BERT................................................................................146
9.22
T1 T
RANSMIT
S
YNCHRONIZER
.................................................................................................................148
T1 T
RANSMIT
F
ORMATTER
D
ESCRIPTION AND
O
PERATION
...........................................................................108
T
RANSMIT
-M
ASTER
M
ODE
R
EGISTER
..........................................................................................................109
I
NTERRUPT
I
NFORMATION
R
EGISTERS
.........................................................................................................109
T1 T
RANSMIT
C
ONTROL
R
EGISTERS
...........................................................................................................110
T1 T
RANSMIT
S
TATUS AND
I
NFORMATION
....................................................................................................115
T1 P
ER
-C
HANNEL
L
OOPBACK
.....................................................................................................................118
T1 T
RANSMIT
DS0 M
ONITORING
F
UNCTION
................................................................................................119
T1 T
RANSMIT
S
IGNALING
O
PERATION
.........................................................................................................120
T1 T
RANSMIT
P
ER
-C
HANNEL
I
DLE
C
ODE
I
NSERTION
................................................................................123
T1 T
RANSMIT
C
HANNEL
B
LOCKING
R
EGISTERS
........................................................................................124
T1 T
RANSMIT
E
LASTIC
S
TORES
O
PERATION
............................................................................................125
10.
E1 RECEIVER..........................................................................................................................150
10.1
E1 R
ECEIVER
R
EGISTER
M
AP
.................................................................................................................150
10.2
E1 R
ECEIVE
F
RAMER
D
ESCRIPTION AND
O
PERATION
...............................................................................155
10.3
R
ECEIVE
M
ASTER
M
ODE
R
EGISTER
.........................................................................................................156
10.4
I
NTERRUPT
I
NFORMATION
R
EGISTERS
......................................................................................................157
10.5
E1 R
ECEIVE
C
ONTROL
R
EGISTERS
.........................................................................................................158
10.6
H.100 (CT B
US
) C
OMPATIBILITY
.............................................................................................................162
10.7
E1 R
ECEIVE
S
TATUS AND
I
NFORMATION
..................................................................................................164
10.8
E1 E
RROR
C
OUNT
R
EGISTERS
................................................................................................................175
10.9
DS0 M
ONITORING
F
UNCTION
..................................................................................................................181
10.10
E1 R
ECEIVE
S
IGNALING
O
PERATION
........................................................................................................182
10.11
E1 R
ECEIVE
P
ER
-C
HANNEL
I
DLE
C
ODE
I
NSERTION
..................................................................................187
10.12
R
ECEIVE
C
HANNEL
B
LOCKING
O
PERATION
...............................................................................................188
10.13
R
ECEIVE
E
LASTIC
S
TORES
O
PERATION
...................................................................................................189
E
LASTIC
S
TORE
D
ELAY
A
FTER
I
NITIALIZATION
........................................................................................................192
10.14
F
RACTIONAL
E1 S
UPPORT
(G
APPED
C
LOCK
M
ODE
).................................................................................193
10.15
A
DDITIONAL
S
A
-B
IT AND
S
I
-B
IT
R
ECEIVE
O
PERATION
(E1 M
ODE
).............................................................194
10.16
R
ECEIVE
HDLC C
ONTROLLER
.................................................................................................................200
HDLC R
ECEIVE
E
XAMPLE
.....................................................................................................................................207
10.17
I
NTERLEAVED
PCM B
US
O
PERATION
(IBO).............................................................................................208
10.18
I
NTERFACING THE
E1 R
X
F
RAMER TO THE
BERT.....................................................................................210
11.
E1 TRANSMIT..........................................................................................................................212
11.1
E1 T
RANSMIT
R
EGISTER
M
AP
.................................................................................................................212
11.2
E1 T
RANSMIT
F
ORMATTER
D
ESCRIPTION AND
O
PERATION
.......................................................................216
11.3
T
RANSMIT
M
ASTER
M
ODE
R
EGISTER
.......................................................................................................217
11.4
I
NTERRUPT
I
NFORMATION
R
EGISTERS
......................................................................................................218
11.5
E1 T
RANSMIT
C
ONTROL
R
EGISTERS
.......................................................................................................219
11.6
A
UTOMATIC
A
LARM
G
ENERATION
............................................................................................................221
11.7
G.706
I
NTERMEDIATE
CRC-4 U
PDATING
(E1 M
ODE
O
NLY
)......................................................................223
11.8
E1 T
RANSMIT
S
TATUS AND
I
NFORMATION
................................................................................................225
11.9
P
ER
-C
HANNEL
L
OOPBACK
.......................................................................................................................228
11.10
E1 T
RANSMIT
DS0 M
ONITORING
F
UNCTION
.............................................................................................229
11.11
E1 T
RANSMIT
S
IGNALING
O
PERATION
......................................................................................................230
11.12
E1 T
RANSMIT
P
ER
-C
HANNEL
I
DLE
C
ODE
I
NSERTION
................................................................................233