
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
51
Pin Name
Type
Pin
No.
Function
TRCPCLK
Input
R29
The
transmit ring control port clock
(TRCPCLK) signal
provides timing for the transmit ring control port.
TRCPCLK is a nominal 25.92 MHz clock, 33% high duty cycle
and can be connected directly to the RRCPCLK output of a
mate SPECTRA-9953 in ring-based add-drop multiplexer
applications.
When the Spectra-9953 is processing four STS-48/STM-16
data streams, the STM-16 slice #1 must be active (software
slice reset is not set to 1) for the ring control port to operate
normally.
TRCPFP and TRCPDAT are sampled on the rising edge of
TRCPCLK.
TRCPFP
Input
N32
The
transmit ring control port frame pulse
(TRCPFP) signal
identifies bit positions in the transmit ring control port data
(TRCPDAT).
TRCPFP is high to identify the OOF defect on the TRCPDAT
data stream.
TRCPFP can be connected directly to the RRCPFP output of a
mate SPECTRA-9953 in ring-based Add/Drop multiplexer
applications.
TRCPFP is sampled on the rising edge of TRCPCLK.
TRCPDAT1
TRCPDAT2
TRCPDAT3
TRCPDAT4
Input
L32
K34
N27
K33
The
transmit ring control port data
(TRCPDAT1-4) signal
contains the transmit ring control port data stream.
The receive ring control port data consists of the filtered K1,
K2 bytes, the change of APS indication, the APS byte failure
indication, the line AIS indication, the line RDI indication, the
line REI, the path RDI indication, the path ERDI indication and
the path REI.
TRCPDAT1-4 can be connected directly to the RRCPDAT1-4
output of a mate SPECTRA-9953 in ring-based Add/Drop
multiplexer applications.
TRCPDAT1-4 is sampled on the rising edge of TRCPCLK.
RSALM1
RSALM2
RSALM3
RSALM4
Output
U26
V26
T28
U27
The
section alarm
(RSALM1-4) signal is set high when an out
of frame (OOF), loss of signal (LOS), loss of frame (LOF), line
alarm indication signal (LAIS), line remote defect indication
(LRDI), section trace identifier mismatch (TIM-S), section trace
identifier unstable (TIU-S), signal fail (SF) or signal degrade
(SD) alarm is detected. Each alarm indication can be
independently enabled using bits in the SPECTRA-9953 Alarm
Controller registers. RSALM1-4 is set low when none of the
enabled alarms are active.
RSALM1-4 are low speed asynchronous signals.