
XRT84L38
XI
REV. 1.0.1
OCTAL T1/E1/J1 FRAMER
11.2.2 HOW TO CONFIGURE THE FRAMER TO ENABLE CRC-4 MULTI-FRAME ALIGNMENT AND SELECT THE LOCKING
CRITERIA..................................................................................................................................................................... 353
F
RAMING
S
ELECT
R
EGISTER
(FSR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
07H).............................................. 353
11.2.3 HOW TO CONFIGURE THE FRAMER TO ENABLE CAS MULTI-FRAME ALIGNMENT ...................................... 353
F
RAMING
S
ELECT
R
EGISTER
(FSR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
07H).............................................. 354
11.2.4 HOW TO CONFIGURE THE FRAMER TO INPUT THE FRAMING ALIGNMENT BITS FROM DIFFERENT SOURCES
354
S
YNCHRONIZATION
MUX R
EGISTER
(SMR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
09H)................................... 354
11.2.5 HOW TO CONFIGURE THE FRAMER TO INPUT CRC-4 BITS FROM DIFFERENT SOURCES .......................... 355
S
YNCHRONIZATION
MUX R
EGISTER
(SMR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
09H).................................. 355
11.2.6 HOW TO CONFIGURE THE FRAMER TO INPUT E BITS FROM DIFFERENT SOURCES................................... 355
S
YNCHRONIZATION
MUX R
EGISTER
(SMR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
09H).................................. 356
11.3 HOW TO CONFIGURE THE FRAMER TO APPLY DATA AND SIGNALING CONDITIONING TO E1 PAYLOAD
DATA ON A PER-CHANNEL BASIS............................................................................................................ 356
T
RANSMIT
C
HANNEL
C
ONTROL
R
EGISTER
(TCCR) (I
NDIRECT
A
DDRESS
= 0
XN
2H, 0
X
00H - 0
X
1FH) .......... 357
U
SER
IDLE C
ODE
R
EGISTER
(UCR) (I
NDIRECT
A
DDRESS
= 0
XN
02H, 0
X
20H - 0
X
3FH) ............................. 358
11.4 HOW TO CONFIGURE THE XRT84L38 FRAMER TO TRANSMIT SIGNALING INFORMATION.............. 358
11.4.1 BRIEF DISCUSSION OF COMMON CHANNEL SIGNALING IN E1 FRAMING FORMAT ..................................... 358
11.4.2 BRIEF DISCUSSION OF CHANNEL ASSOCIATED SIGNALING IN E1 FRAMING FORMAT .............................. 358
11.4.3 CONFIGURE THE FRAMER TO TRANSMIT CHANNEL ASSOCIATED SIGNALING........................................... 359
11.4.3.1 I
NSERT
S
IGNALING
B
ITS
FROM
TSCR R
EGISTER
............................................................................................... 360
T
RANSMIT
S
IGNALING
C
ONTROL
R
EGISTER
(TSCR) (I
NDIRECT
A
DDRESS
= 0
XN
2H, 0
X
40H - 0
X
5FH)........ 360
11.4.3.2 I
NSERT
S
IGNALING
B
ITS
FROM
T
X
S
IG
_
N
P
IN
..................................................................................................... 360
F
IGURE
117. T
IMING
D
IAGRAM
OF
THE
T
X
S
IG
_
N
I
NPUT
................................................................................................................. 361
T
RANSMIT
I
NTERFACE
C
ONTROL
R
EGISTER
(TICR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
20H)....................... 361
11.4.3.3 I
NSERT
S
IGNALING
B
ITS
FROM
T
X
OH_
N
P
IN
..................................................................................................... 361
F
IGURE
118. T
IMING
D
IAGRAM
OF
THE
T
X
OH_
N
I
NPUT
................................................................................................................. 362
11.4.3.4 I
NSERT
S
IGNALING
D
ATA
FROM
T
X
S
ER
_
N
P
IN
................................................................................................... 362
11.4.3.5 E
NABLE
C
HANNEL
A
SSOCIATED
S
IGNALING
AND
S
IGNALING
D
ATA
S
OURCE
C
ONTROL
...................................... 362
T
RANSMIT
S
IGNALING
C
ONTROL
R
EGISTER
(TSCR) (I
NDIRECT
A
DDRESS
= 0
XN
2H, 0
X
40H - 0
X
57H)........ 362
11.5 HOW TO CONFIGURE THE XRT84L38 FRAMER TO GENERATE AND TRANSMIT ALARMS AND ERROR IN-
DICATIONS TO REMOTE TERMINAL......................................................................................................... 363
11.5.1 BRIEF DISCUSSION OF ALARMS AND ERROR CONDITIONS............................................................................ 363
F
IGURE
119. S
IMPLE
D
IAGRAM
OF
E1
SYSTEM
MODEL
.................................................................................................................. 363
F
IGURE
120. G
ENERATION
OF
Y
ELLOW
A
LARM
BY
THE
R
EPEATER
UPON
DETECTION
OF
LINE
FAILURE
............................................ 364
F
IGURE
121. G
ENERATION
OF
AIS
BY
THE
R
EPEATER
UPON
DETECTION
OF
LINE
FAILURE
.............................................................. 365
F
IGURE
122. G
ENERATION
OF
Y
ELLOW
A
LARM
BY
THE
CPE
UPON
DETECTION
OF
AIS
ORIGINATED
BY
THE
R
EPEATER
................... 366
F
IGURE
123. G
ENERATION
OF
CAS M
ULTI
-
FRAME
Y
ELLOW
A
LARM
AND
AIS16
BY
THE
R
EPEATER
................................................. 367
F
IGURE
124. G
ENERATION
OF
CAS M
ULTI
-
FRAM
Y
ELLOW
A
LARM
BY
THE
CPE
UPON
DETECTION
OF
“AIS16”
PATTERN
SENT
BY
THE
R
E
-
PEATER
....................................................................................................................................................................... 368
11.5.2 HOW TO CONFIGURE THE FRAMER TO TRANSMIT AIS .................................................................................... 368
A
LARM
G
ENERATION
R
EGISTER
(AGR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
08H)......................................... 369
11.5.3 HOW TO CONFIGURE THE FRAMER TO GENERATE RED ALARM ................................................................... 369
A
LARM
G
ENERATION
R
EGISTER
(AGR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
08H)......................................... 369
11.5.4 HOW TO CONFIGURE THE FRAMER TO TRANSMIT YELLOW ALARM............................................................. 369
11.5.4.1 T
RANSMIT
Y
ELLOW
A
LARM
............................................................................................................................... 370
11.5.4.2 T
RANSMIT
CAS M
ULTI
-
FRAME
Y
ELLOW
A
LARM
................................................................................................ 370
A
LARM
G
ENERATION
R
EGISTER
(AGR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
08H)......................................... 371
12.0 E1 RECEIVE FRAMER BLOCK ........................................................................................................ 372
12.1 HOW TO CONFIGURE XRT84L38 TO OPERATE IN E1 MODE.................................................................. 372
C
LOCK
S
ELECT
R
EGISTER
(CSR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
00H)................................................. 372
12.2 HOW TO CONFIGURE THE FRAMER TO RECEIVE DATA IN VARIOUS E1 FRAMING FORMATS........ 372
12.2.1 HOW TO CONFIGURE THE FRAMER TO CHOOSE FAS SEARCHING ALGORITHM......................................... 372
F
RAMING
S
ELECT
R
EGISTER
(FSR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
07H).............................................. 373
12.2.2 HOW TO CONFIGURE THE FRAMER TO ENABLE CRC-4 MULTI-FRAME ALIGNMENT AND SELECT THE LOCKING
CRITERIA..................................................................................................................................................................... 373
F
RAMING
S
ELECT
R
EGISTER
(FSR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
07H).............................................. 373
12.2.3 HOW TO CONFIGURE THE FRAMER TO ENABLE CAS MULTI-FRAME ALIGNMENT ...................................... 373
F
RAMING
S
ELECT
R
EGISTER
(FSR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
07H).............................................. 374
12.3 HOW TO CONFIGURE THE FRAMER TO APPLY DATA AND SIGNALING CONDITIONING TO RECEIVED E1
PAYLOAD DATA ON A PER-CHANNEL BASIS......................................................................................... 374
R
ECEIVE
C
HANNEL
C
ONTROL
R
EGISTER
(RCCR) (I
NDIRECT
A
DDRESS
= 0
XN
2H, 0
X
60H - 0
X
7FH)........... 375