PM5363 TUPP+622
TUPP+622
DATASHEET
PMC-1981421
ISSUE 4
SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin Name
AIS[3]
Type
Pin
No.
Function
Output R21 The tributary alarm indication signal output #3
(AIS[3]) marks tributaries on the outgoing STM-4
or STM-1 #3 stream that are in AIS state.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), AIS[3] is set high when
AIS is inserted in the associated tributary on the
OD[23:16] and is set low when the AIS is not
inserted. AIS[3] is updated on the rising edge of
SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), AIS[3] is invalid.
AA15
AIS[4]
Output
The tributary alarm indication signal output #4
(AIS[4]) marks tributaries on the outgoing STM-4
or STM-1 #4 stream that are in AIS state.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), AIS[4] is set high when
AIS is inserted in the associated tributary on the
OD[31:24] and is set low when the AIS is not
inserted. AIS[4] is updated on the rising edge of
SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), AIS[4] is invalid.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
62
PMC [ PMC-SIERRA, INC ]
