
PM5317 SPECTRA-9953 Telecom Standard Product Data Sheet
Release
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2000741, Issue 5
26
2.3
SONET Path / SDH High Order Path
Interprets any legal mix of STS (AU) pointer bytes (H1, H2, and H3), extracts the
synchronous payload envelope(s) and processes the path overhead for the receive stream.
Generates any legal mix of STS (AU) pointer bytes (H1, H2, and H3) and inserts the path
overhead for the transmit stream.
Detects loss of pointer (LOP), path alarm indication signal (PAIS) and path (normal and
enhanced) remote defect indication (RDI) for the receive stream. Optionally inserts path
alarm indication signal (PAIS) and path remote defect indication (RDI) in the transmit
stream.
Inserts the entire SONET/SDH path overhead. The path overhead bytes may be sourced
from internal registers. Path overhead insertion may also be disabled.
Extracts the received path payload label (C2) byte into an internal register and detects for
payload label unstable (PLU), payload label mismatch (PLM), payload unequipped
(UNEQ), and payload defect indication (PDI). Inserts the path payload label (C2) byte
from an internal register for the transmit stream.
Inserts 192 64-byte or 16-byte path trace (J1) messages using an internal register bank for
the transmit stream.
Extracts 192 64-byte or 16-byte path trace (J1) messages using an internal register bank for
the receive stream. Detects an unstable message or mismatch message with an expected
message. Provides access to the captured, accepted and expected message via the
microprocessor port.
Detects received path BIP-8 and counts received path BIP-8 errors for performance
monitoring purposes. BIP-8 errors are selectable to be treated on a bit basis or block basis.
Optionally calculates and inserts path BIP-8 error detection codes for the transmit stream.
Counts received path remote error indications (REIs) for performance monitoring purposes.
Optionally inserts the path REI count into the path status byte (G1) based on bit or block
BIP-8 errors detected in the receive path. Reporting of BIP-8 errors is on a bit or block
basis independent of the accumulation of BIP-8 errors.
Ring control port provides communication of path REI and path RDI alarms to the transmit
stream of a mate SPECTRA-9953 device in the returning direction.
Provides automatic transmit path RDI and path Enhanced RDI insertion following detection
of various received alarms (LAIS, LOP, LOPCON, PAIS, PAISCON, PTIM, PTIU, PLM,
PLU, UNEQ, PDI). Registers are provided to individually enable/disable each alarm.
Provides automatic receive path AIS insertion following detection of various received
alarms (LAIS, LOP, LOPCON, PAIS, PAISCON, PTIM, PTIU, PLM, PLU, UNEQ, PDI).
Registers are provided to individually enable/disable each alarm.
2.4 System Side Interfaces
In single STS-192/STM-64 mode, provides a single 16-bit differential LVDS 777.7 MHz
serial TelecomBus interface.