PM5362TUPP-PLUS
DATA SHEET
PMC-951010
ISSUE 6
SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR / PERFORMANCE MONITOR
Pin Name Type
Pin
No.
Function
POHFP[3] Output 67
The tributary path overhead frame pulse signals
(POHFP[3:1]) may be used to locate the
individual path overhead bits of each tributary
for the corresponding STS-1 (TUG3) stream.
Each POHFP signal is set high to mark bit 1 (the
most significant bit) of the V5 byte of the first
tributary. POHFP[3], POHFP[2] and POHFP[1]
identify frame boundaries of the tributary path
overhead bytes from STS-1 #1, #2 and #3,
respectively. In AU4 mode, POHFP[3],
POHFP[2]
POHFP[1]
107
133
POHFP[2] and POHFP[1] identify frame
boundaries of TUG3 #1, #2 and #3, respectively.
Each POHFP signal is updated on the falling
edge of POHCK.
POHEN[3] Output 77
The tributary path overhead enable signals
(POHEN[3:1]) may be used to identify tributary
path overhead bytes that are being presented
on the corresponding POH stream for the first
time. Each POHEN signal is set high when a
fresh overhead byte is available on the
POHEN[2]
POHEN[1]
111
139
corresponding POH stream. POHEN is set low
when the tributary path overhead byte available
on the corresponding POH stream has already
been shifted out in a previous frame.
POHEN[3], POHEN[2] and POHEN[1] identify
the status of tributary path overhead bytes from
STS-1 #1, #2 and #3, respectively. In AU4
mode, POHFP[3], POHFP[2] and POHFP[1]
identify the status of tributary path overhead
bytes from TUG3 #1, #2 and #3, respectively.
Each POHEN signal is updated on the falling
edge of POHCK.
RAD
Output 124
The receive alarm port (RAD) contains the
tributary path BIP error count, the RDI status
and the PDI status of each tributary in the
ID[7:0] bus. RAD is updated on the falling edge
of POHCK.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
33
PMC [ PMC-SIERRA, INC ]
