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| 型號(hào)： | PM7323 |
| 廠商： | PMC-SIERRA INC |
| 元件分類(lèi)： | 數(shù)字傳輸電路 |
| 英文描述： | ROUTING CONTROL, MONITORING, & POLICING 200 MBPS |
| 中文描述： | ATM/SONET/SDH SUPPORT CIRCUIT, PQFP240 |
| 封裝： | PLASTIC, QFP-240 |
| 文件頁(yè)數(shù)： | 66/219頁(yè) |
| 文件大小： | 695K |
| 代理商： | PM7323 |
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STANDARD PRODUCT
PM7323 RCMP-200
DATASHEET
PMC-960543
ISSUE 2
ROUTING CONTROL, MONITORING, & POLICING
200 MBPS
Proprietary and Confidential to PMC-Sierra, Inc.
and for its Customer’s Internal Use.
55
Bit
Name
Definition
1
SRCPM
This bit provisions the RCMP-200 as a source of
forward monitoring cells for the connection. Setting
the SRCPM bit and PM_activate bit to logic 1
results in the presention of a forward monitoring cell
on the Output Cell Interface at an interval selected
by the BLKSIZE[1:0] bits. If the SRCPM bit is 0, no
monitoring cells are generated, which frees up
resources so that statistics can be collected for
incoming monitoring cells.
0
PM0
The PM0 bit of the VC table must be set to '1'
initially. This bit is cleared upon receiving the first
PM cell. This clears the current cell count and
BIP16. The PM0 bit is used to note the arrival of the
first PM cell. The PM0 bit suppresses accumulation
of error counts. If this bit is not set, errors counts
will be accumulated.
9.3.7 Fault Management Cells
Fault Management cells are identified with an OAM Cell Type of 0001. Four
types are currently supported: AIS, RDI, Continuity Check and Loopback.
An AIS alarm status bit is set upon the receipt of a single AIS cell (function
type=0000). The alarm status is cleared upon the receipt of a single user cell or
continuity check cell or if no AIS cell has been received within the last 3.5 +/- 0.5
sec (default) or 2.5 +/- 0.5 sec. If the AUTORDI bit in the Cell Processor
Configuration register is set, an RDI cell is generated immediately upon the
reception of the first AIS cell at a flow end-point and once a second thereafter
until the AIS state is exited.
An RDI alarm status bit is set upon the receipt of a single RDI cell (function
type=0001). The alarm status is cleared if no RDI cell has been received within
the last 3.5 +/- 0.5 sec (default) or 2.5 +/- 0.5 sec.
If the "CC_activate" bit is a logic 1 and no user cells have been received within a
one or two (default) second window, a Continuity Check cell is generated and
passed to the Output Cell Interface. Regardless of the state of the "CC_activate"
bit, if no user , AIS or Continuity Check cells are received within a 5.5 +/- 0.5 sec
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PM7323-SI | 制造商:PMC 制造商全稱(chēng):PMC 功能描述:ROUTING CONTROL, MONITORING, & POLICING 200 MBPS |
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