XRT86L30
SINGLE T1/E1/J1 FRAMER/LIU COMBO
REV. 1.0.1
TABLE 112: BLOCK
INTERRUPT
ENABLE REGISTER
R
EGISTER 529
IT
B
LOCK
I
NTERRUPT
E
NABLE EGISTER (BIER)
R
HEX ADDRESS: 0X0B01
B
FUNCTION
T
YPE
D
EFAULT
DESCRIPTION-OPERATION
1
ALARM_ENB
R/W
R/W
0
Alarm & Error Block Interrupt Enable
0 = Disables all Alarm & Error Block interrupts
1 = Enables Alarm & Error block at the block level
0
T1/E1FRAME_ENB
0
T1/E1 Frame Block Enable
0 = Disables all Frame Block interrupts
1 = Enables the Frame Block at the block level
TABLE 113: ALARM & ERROR
INTERRUPT
STATUS REGISTER
R
EGISTER 530
OD
A
LARM & ERROR
I
NTERRUPT TATUS EGISTER (AEISR)
S
R
HEX ADDRESS: 0X0B02
M
B
IT
FUNCTION
TYPE
D
EFAULT
DESCRIPTION-OPERATION
E
7
E1/ RxLOF State
T1
RO
0
Receive Loss Of Frame State
Reflects a current Loss of Framing condition as detected by the
Receive T1/E1 Framer.
0 = Receive Framer not declaring Loss of Framing condition
1 = Receive Framer declaring Loss of Framing condition
6
E1/ RxAIS State
T1
RO
0
Receive Alarm Indication Status State
This Read Only bit field indicates whether or not the receive T1/E1
Frame is currently detecting an AIS pattern in the incoming data
stream.
0 = Receive Framer not detecting AIS pattern in incoming T1/E1
data stream
1 = Receive Framer detecting AIS pattern in incoming T1/E1 data
stream
5
E1 RxMYEL Status
RUR
0
Receipt of CAS Multiframe Yellow Alarm Interrupt Status. The
Receive E1 Framer will set this bit-field to 1 if it detects the CAS
Multiframe Yellow Alarm in the incoming E1 data stream.
0 = Receipt of CAS Multiframe Yellow Alarm interrupt has not
occurred since the last read of this register.
1 = Receipt of CAS Multiframe Yellow Alarm interrupt has occurred
since the last read of this register.
5
4
T1 RxYEL_State
R
0
0
Yellow Alarm State
Indicates a yellow alarm has been received.
0 = No yellow Alarm is Received
1 = Yellow alarm is received
E1/ LOS Status
T1
RUR
Loss of Signal Interrupt Status. The Receive E1 Framer will set
this bit-field to 1 if it detects a consecutive string of 0’s at the
RxPOX_n and Rx0EG_n input pins for 32 bit period.
0 = LOS Interrupt has not occurred since the last read of this regis-
ter
1 = LOS Interrupt has occurred since the last read of this register
97
EXAR [ EXAR CORPORATION ]
