
XRT84L38
X
OCTAL T1/E1/J1 FRAMER
REV. 1.0.1
F
RAMING
S
ELECT
R
EGISTER
(FSR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
07H) ............................................... 335
10.3 HOW TO CONFIGURE THE FRAMER TO APPLY DATA AND SIGNALING CONDITIONING TO RECEIVED DS1
PAYLOAD DATA ON A PER-CHANNEL BASIS ......................................................................................... 336
R
ECEIVE
C
HANNEL
C
ONTROL
R
EGISTER
(RCCR) (I
NDIRECT
A
DDRESS
= 0
XN
2H, 0
X
60H - 0
X
7FH) ............ 337
R
ECEIVE
U
SER
IDLE C
ODE
R
EGISTER
(UCR) (I
NDIRECT
A
DDRESS
= 0
XN
02H, 0
X
80H - 0
X
97H)................ 337
10.4 HOW TO CONFIGURE THE XRT84L38 FRAMER TO APPLY ZERO CODE SUPPRESSION TO RECEIVED DS1
PAYLOAD DATA ON A PER-CHANNEL BASIS ......................................................................................... 337
R
ECEIVE
C
HANNEL
C
ONTROL
R
EGISTER
(RCCR) (I
NDIRECT
A
DDRESS
= 0
XN
2H, 0
X
60H - 0
X
7FH) ............ 338
10.5 HOW TO CONFIGURE THE XRT84L38 FRAMER TO EXTRACT ROBBED-BIT SIGNALING INFORMATION
338
10.5.1 CONFIGURE THE FRAMER TO RECEIVE AND EXTRACT ROBBED-BIT SIGNALING....................................... 338
R
ECEIVE
S
IGNALING
C
ONTROL
R
EGISTER
(RSCR) (I
NDIRECT
A
DDRESS
= 0
XN
2H, 0
X
A0H - 0
X
B7H) ......... 339
F
RAMER
I
NTERRUPT
E
NABLE
R
EGISTER
(FIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
05H)............................ 339
B
LOCK
I
NTERRUPT
E
NABLE
R
EGISTER
(BIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
00H)............................... 339
F
RAMER
I
NTERRUPT
S
TATUS
R
EGISTER
(FISR) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
04H)............................ 340
S
IGNALING
C
HANGE
R
EGISTERS
(SCR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
0DH - 0
X
0FH).......................... 340
10.5.1.1 S
TORE
S
IGNALING
B
ITS
INTO
RSRA R
EGISTER
A
RRAY
..................................................................................... 340
R
ECEIVE
S
IGNALING
R
EGISTER
A
RRAY
(RSRA) (I
NDIRECT
A
DDRESS
= 0
XN
4H, 0
X
00H - 0
X
17H) .............. 341
10.5.1.2 O
UTPUTTING
S
IGNALING
B
ITS
THROUGH
R
X
S
IG
_
N
P
IN
...................................................................................... 341
R
ECEIVE
I
NTERFACE
C
ONTROL
R
EGISTER
(TICR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
20H) ......................... 341
F
IGURE
116. T
IMING
D
IAGRAM
OF
THE
R
X
S
IG
_
N
O
UTPUT
PIN
....................................................................................................... 342
R
ECEIVE
S
IGNALING
C
ONTROL
R
EGISTER
(RSCR) (I
NDIRECT
A
DDRESS
= 0
XN
2H, 0
X
A0H - 0
X
B7H) ......... 342
10.5.1.3 S
END
S
IGNALING
D
ATA
THROUGH
R
X
S
ER
_
N
P
IN
............................................................................................... 342
10.5.1.4 S
IGNALING
D
ATA
S
UBSTITUTION
....................................................................................................................... 342
R
ECEIVE
S
IGNALING
C
ONTROL
R
EGISTER
(RSCR) (I
NDIRECT
A
DDRESS
= 0
XN
2H, 0
X
A0H - 0
X
B7H) ......... 342
R
ECEIVE
S
UBSTITUTION
S
IGNALING
R
EGISTER
(RSSR) (I
NDIRECT
A
DDRESS
= 0
XN
02H, 0
X
80H - 0
X
97H). 343
R
ECEIVE
S
IGNALING
C
ONTROL
R
EGISTER
(RSCR) (I
NDIRECT
A
DDRESS
= 0
XN
2H, 0
X
40H - 0
X
57H).......... 344
10.6 HOW TO CONFIGURE THE FRAMER TO DETECT ALARMS AND ERROR CONDITIONS...................... 344
10.6.1 HOW TO CONFIGURE THE FRAMER TO DETECT AIS ALARM........................................................................... 344
A
LARM
G
ENERATION
R
EGISTER
(AGR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
08H)......................................... 345
A
LARM
AND
E
RROR
I
NTERRUPT
E
NABLE
R
EGISTER
(AEIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
03H)......... 345
B
LOCK
I
NTERRUPT
E
NABLE
R
EGISTER
(BIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
01H) .............................. 345
A
LARM
AND
E
RROR
S
TATUS
R
EGISTER
(AESR) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
02H) ............................ 346
A
LARM
AND
E
RROR
S
TATUS
R
EGISTER
(AESR) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
02H) ........................... 346
10.6.2 HOW TO CONFIGURE THE FRAMER TO DETECT RED ALARM......................................................................... 346
A
LARM
AND
E
RROR
I
NTERRUPT
E
NABLE
R
EGISTER
(AEIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
03H)......... 347
B
LOCK
I
NTERRUPT
E
NABLE
R
EGISTER
(BIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
01H)............................... 347
A
LARM
AND
E
RROR
S
TATUS
R
EGISTER
(AESR) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
02H) ............................ 347
A
LARM
AND
E
RROR
S
TATUS
R
EGISTER
(AESR) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
02H) ............................ 348
10.6.3 HOW TO CONFIGURE THE FRAMER TO DETECT YELLOW ALARM ................................................................. 348
A
LARM
AND
E
RROR
I
NTERRUPT
E
NABLE
R
EGISTER
(AEIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
03H).......... 348
B
LOCK
I
NTERRUPT
E
NABLE
R
EGISTER
(BIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
01H)............................... 348
A
LARM
AND
E
RROR
S
TATUS
R
EGISTER
(AESR) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
02H) ............................ 349
A
LARM
AND
E
RROR
S
TATUS
R
EGISTER
(AESR) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
02H) ........................... 349
10.6.4 HOW TO CONFIGURE THE FRAMER TO DETECT BIPOLAR VIOLATION.......................................................... 349
A
LARM
AND
E
RROR
I
NTERRUPT
E
NABLE
R
EGISTER
(AEIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
03H)......... 350
B
LOCK
I
NTERRUPT
E
NABLE
R
EGISTER
(BIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
01H)............................... 350
A
LARM
AND
E
RROR
S
TATUS
R
EGISTER
(AESR) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
02H) ........................... 350
10.6.5 HOW TO CONFIGURE THE FRAMER TO DETECT LOSS OF SIGNAL ................................................................ 350
A
LARM
AND
E
RROR
I
NTERRUPT
E
NABLE
R
EGISTER
(AEIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
03H).......... 351
B
LOCK
I
NTERRUPT
E
NABLE
R
EGISTER
(BIER) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
01H)............................... 351
A
LARM
AND
E
RROR
S
TATUS
R
EGISTER
(AESR) (I
NDIRECT
A
DDRESS
= 0
XN
AH, 0
X
02H) ........................... 351
11.0 E1 TRANSMIT FRAMER BLOCK...................................................................................................... 352
11.1 HOW TO CONFIGURE XRT84L38 TO OPERATE IN E1 MODE.................................................................. 352
C
LOCK
S
ELECT
R
EGISTER
(CSR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
00H).................................................. 352
11.2 HOW TO CONFIGURE THE FRAMER TO TRANSMIT AND RECEIVE DATA IN E1 FRAMING FORMAT 352
11.2.1 HOW TO CONFIGURE THE FRAMER TO CHOOSE FAS SEARCHING ALGORITHM......................................... 352
F
RAMING
S
ELECT
R
EGISTER
(FSR) (I
NDIRECT
A
DDRESS
= 0
XN
0H, 0
X
07H) .............................................. 353