XRT86L30
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO
TABLE 23: FRAMING
C
ONTROL
REGISTER T1 MODE
R
EGISTER 11 -- T1 MODE
F
RAMING
C
ONTROL EGISTER (FCR)
R
H
EX
ADDRESS: 0X010B
B
IT UNCTION
F
T
YPE
R/W
R/W
R/W
D
EFAULT
DESCRIPTION-OPERATION
2
1
0
RANG[2]
RANG[1]
RANG[0]
1
0
1
Range Bits [2:0]
The Tolerance (TOLR) and Range (RANG) form the criteria for loss of
frame alignment. A loss of frame is declared if there is “TOLR out of
RANG” errors in the framing pattern. The recommended RANG value
is 5.
NOTE: A “0” value for RANG is internally blocked. A RANG value must
be specified.
TABLE 24: RECEIVE
SIGNALING & DATA
L
INK
S
ELECT
REGISTER - E1 MODE
R
EGISTER 12 - E1 MODE IGNALING & DATA
R
ECEIVE
S
L
INK
S
ELECT
R
EGISTER (RS&DLSR)
HEX ADDRESS: 0X010C
B
IT
F
UNCTION
TYPE
D
EFAULT
DESCRIPTION-OPERATION
7
RxSa8ENB
RxSa7ENB
RxSa6ENB
RxSa5ENB
R/W
R/w
R/W
R/W
0
This Read/Write bit is used to specify whether or not data link infor-
mation will be transported via National Bit Sa8 (bit 7 within timeslot 0
of non-FAS frames)
0 = Sa8 does not carry data link information
1 = Sa8 carries data link information
N
OTE: This bit-field is valid only if the RxSIGDL[2:0] = “000” or “001”.
(The National bits have been configured to carry data link
bits).
6
5
4
0
0
0
This Read/Write bit is used to specify whether or not data link infor-
mation will be transported via National Bit Sa7 (bit 6 within timeslot 0
of non-FAS frames)
0 = Sa7 does not carry data link information
1 = Sa7 carries data link information
N
OTE: This bit-field is valid only if the RxSIGDL[2:0] = “000” or “001”.
(The National bits have been configured to carry data link
bits).
This Read/Write bit is used to specify whether or not data link infor-
mation will be transported via National Bit Sa6 (bit 5 within timeslot 0
of non-FAS frames)
0 = Sa6 does not carry data Link information
1 = Sa6 carries data link information
N
OTE: This bit-field is valid only if the RxSIGDL[2:0] = “000” or “001”.
(The National bits have been configured to carry data link
bits).
This Read/Write bit is used to specify whether or not data link infor-
mation will be transported via National Bit Sa5 (bit 4 within timeslot 0
of non-FAS frames)
0 = Sa5 does not carry data link information
1 = Sa5 carries data link information
N
OTE: This bit-field is valid only if the RxSIGDL[2:0] = “000” or “001”.
(The National bits have been configured to carry data link
bits).
50
EXAR [ EXAR CORPORATION ]
