PM5363 TUPP+622
TUPP+622
DATASHEET
PMC-1981421
ISSUE 4
SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Register 1FBH, 2FBH, 3FBH: RTOP, TU #4 in TUG2 #1 to TUG2 #7, RDI
Interrupt
Bit
Type
Function
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Unused
RDI7I
RDI6I
RDI5I
RDI4I
RDI3I
RDI2I
RDI1I
X
0
0
0
0
0
0
0
R
R
R
R
R
R
R
This register is used to identify and acknowledge remote defect indication
interrupts for the tributaries TU #4 in TUG2 #1 TO TUG2 #7.
RDI1I-RDI7I:
The RDI1I to RDI7I bits identify the source of remote defect indication
interrupts. In TU3 mode, these bits are unused and will return a logic 0 when
read. When the corresponding TUG2 tributary group is configured for TU2
(VT6), VT3 or TU12 (VT2) mode, the associated RDIxI bit is unused and will
return a logic 0 when read. When operational, the RDI1I to RDI7I bits report
and acknowledge RDI interrupt of TU #4 in TUG2 #1 to TUG2 #7,
respectively. Interrupts are generated when the received RDI state changes.
An RDIxI bit is set high when a change of RDI state on the associated
tributary (TU #4 in TUG2 #x) occurs and are cleared immediately following a
read of this register, which also acknowledges and clears the interrupt. RDIxI
remains valid when interrupts are not enabled (RDIE set low) and may be
polled to detect change of remote defect indication events.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
293
PMC [ PMC-SIERRA, INC ]
