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ADDR=0x128: Receive Pointer Status(1)
Bit 7
Bit 6
Bit name Reserved
Reserved
R/W
—
—
Value
0
0
after
reset
Bits 7-3: Reserved
Bits 3-2: P_STATE_[1:0]: These bits are used to monitor the first pair of H1/H2 bytes in the received
SONET/SDH frame, and to indicate the current state of the HDMP-3001 pointer interpreter. A 00
indicates a normal pointer, a 01 indicates Alarm Indication Signal, and 10 indicates Loss of
Pointer.
Bit 1:
RX_LOP: Receive Loss of Pointer Indication
Bit 0:
RX_PAIS: Receive Path Alarm Indication Signal
ADDR=0x12A: Receive Pointer Status(2)
Bit 7
Bit 6
Bit name Reserved
Reserved
R/W
—
—
Value
0
0
after
reset
Bits 7-6: Reserved
Bit 5:
LOP3: It is used to monitor the third pair of H1/H2 pointer bytes for the correct concatenation
indications, and indicates the current state of the HDMP-3001 pointer interpreter. When set, it is in
LOP.
Bit 4:
AIS3: It is used to monitor the third pair of H1/H2 pointer bytes for the correct concatenation
indications, and indicates the current state of the HDMP-3001 pointer interpreter. When set, it is in
AIS.
Bit 3:
LOP2: It is used to monitor the second pair of H1/H2 pointer bytes for the correct concatenation
indications, and indicates the current state of the HDMP-3001 pointer interpreter. When set, it is in
LOP.
Bit 2:
AIS2: It is used to monitor the second pair of H1/H2 pointer bytes for the correct concatenation
indications, and indicates the current state of the HDMP-3001 pointer interpreter. When set, it is in
AIS.
Bits 1-0: Reserved
71
Bit 5
Bit 4
Reserved
Reserved
—
—
0
0
Bit 5
Bit 4
LOP3
AIS3
R
R
0
1
Bit 3
Bit 2
P_STATE[1:0]
R
0
0
Bit 3
Bit 2
LOP2
AIS2
R
R
0
1
Bit 1
Bit 0
RX_LOP
RX_PAIS
R
R
1
1
Bit 1
Bit 0
Reserved
Reserved
—
—
0
0
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