XRT86L30 Datasheet, PDF (62/284 Pages) Exar Corporation – SINGLE T1/E1/J1 FRAMER/LIU COMBO

XRT86L30
SINGLE T1/E1/J1 FRAMER/LIU COMBO
REV. P1.0.1
PRELIMINARY
REGISTER 18
BIT
FUNCTION
7 IF Detection
6-4 Reserved
3 EX1
2 ALARMFE
1 EX2
0 EX3
TYPE
RO
-
RO
RO
RO
RO
TABLE 31: RECEIVE EXTRA BITS REGISTER
RECEIVE EXTRA BITS REGISTER (REBR)
HEX ADDRESS: 0X0112
DEFAULT
DESCRIPTION-OPERATION
In Frame Detection (DS1/E1)
This register bit is used to indicate whether the receive framer is In Frame or out of
0
Frame.
0 = Out of Frame
1 = In Frame
-
Reserved
Extra Bit 1
x
Corresponds to value in bit 5 within timeslot 16 of frame 0 of the signaling multi-
frame
CAS Multi-Frame Yellow Alarm
Corresponds to value in bit 6(CAS Multiframe Yellow Alarm) within timeslot 16 of
x
frame 0 of the signaling multiframe.
0 = Remote E1 transmitting terminal is not sending CAS Multiframe Yellow Alarm
1 = Remote E1 transmitting terminal is sending CAS Multiframe Yellow Alarm
Extra Bit 2
x
Corresponds to value in Bit 7 within timeslot 16 of frame 0 of the signaling multi-
frame
Extra Bit 3
x
Corresponds to value in Bit 8 within timeslot 16 of frame 0 of the signaling multi-
frame
NOTE: The value of bits [3:0] within this register only have meaning if the framer is using Channel Associated Signaling.
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