PMC-Sierra, Inc.
PRELIMINARY
PM5381 S/UNI-2488
DATASHEET
PMC-2000489
ISSUE 1
SATURN USER NETWORK INTERFACE FOR 2488 MBIT/S
DISCOPA:
The discontinuous change of pointer alignment (DISCOPA) signal is set high when there is a
pointer adjustment due to receiving a pointer repeated three times.
This bit is only valid for RHPP STS-1/STM0 #1.
INVNDF:
The invalid new data flag (INVNDF) signal is set high when an invalid NDF code is received.
This bit is only valid for RHPP STS-1/STM0 #1.
ILLPTR:
The illegal pointer offset (ILLPTR) signal is set high when the pointer received is out of the
range. Legal values are from 0 to 782 . Pointer justification requests (inc_req, dec_req) and
AIS indications (AIS_ind) are not considered illegal.
This bit is only valid for RHPP STS-1/STM0 #1.
NDF:
The new data flag (NDF) signal is set high when an enabled New Data Flag is received
indicating an pointer adjustment (NDF_enabled indication).
This bit is only valid for RHPP STS-1/STM0 #1.
Proprietary and Confidentail to PMC-Sierra Inc., and for its Customer’s Internal Use
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PMC [ PMC-SIERRA, INC ]
