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XRT86L30
54
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO
NOTE: The value of bits [3:0] within this register only have meaning if the framer is using Channel Associated Signaling.
4
Sa4
RO
x
Received National Bits
These Read Only bit-fields contain the values of the National bits
within the most recently received non-FAS frame.
3
Sa5
RO
x
2
Sa6
RO
x
1
Sa7
RO
x
0
Sa8
RO
x
TABLE 31: RECEIVE EXTRA BITS REGISTER
REGISTER 18
RECEIVE EXTRA BITS REGISTER (REBR)
HEX ADDRESS: 0X0112
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
7
IF Detection
RO
0
In Frame Detection (DS1/E1)
This register bit is used to indicate whether the receive framer is In Frame
or out of Frame.
0 = Out of Frame
1 = In Frame
6-4
Reserved
-
Reserved
3
EX1
RO
x
Extra Bit 1
Corresponds to value in bit 5 within timeslot 16 of frame 0 of the signaling
multiframe
2
ALARMFE
RO
x
CAS Multi-Frame Yellow Alarm
Corresponds to value in bit 6(CAS Multiframe Yellow Alarm) within
timeslot 16 of frame 0 of the signaling multiframe.
0 = Remote E1 transmitting terminal is not sending CAS Multiframe Yel-
low Alarm
1 = Remote E1 transmitting terminal is sending CAS Multiframe Yellow
Alarm
1
EX2
RO
x
Extra Bit 2
Corresponds to value in Bit 7 within timeslot 16 of frame 0 of the signaling
multiframe
0
EX3
RO
x
Extra Bit 3
Corresponds to value in Bit 8 within timeslot 16 of frame 0 of the signaling
multiframe
TABLE 30: RECEIVE NATIONAL BITS REGISTER
REGISTER 17
RECEIVE NATIONAL BITS REGISTER (RNBR)
HEX ADDRESS: 0X0111
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION