PM5362TUPP-PLUS
DATA SHEET
PMC-951010
ISSUE 6
SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR / PERFORMANCE MONITOR
Pin Name Type
Pin
No.
Function
LOM[3]
LOM[2]
LOM[1]
Output 63
The loss of multiframe signals (LOM[3:1])
reports the tributary multiframe synchronization
status. LOM is set low when a correct sequence
on the H4 byte has been detected for four
frames. LOM is set high if a correct four frame
sequence is not detected in 1 millisecond.
LOM[3], LOM[2] and LOM[1] report the
90
144
synchronization status of STS-1 #1, #2 and #3,
respectively. In AU4 mode, LOM[3], LOM[2] and
LOM[1] report the synchronization status of
TUG3 #1, #2 and #3, respectively. LOM[3:1] are
updated on the rising edge of SCLK.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
30
PMC [ PMC-SIERRA, INC ]
