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參數(shù)資料
| 型號： | MESC-PM3 |
| 廠商： | Lineage Power |
| 英文描述： | Enhanced Services Controller， Performance Monitor -127 Connections(可執(zhí)行檢測127個連接的增強(qiáng)型服務(wù)控制器) |
| 中文描述： | 增強(qiáng)服務(wù)控制器，性能監(jiān)視器-127連接（可執(zhí)行檢測127個連接的增強(qiáng)型服務(wù)控制器） |
| 文件頁數(shù)： | 5/17頁 |
| 文件大?。?/td> | 170K |
| 代理商： | MESC-PM3 |
August 2000
MESC_PM3
MACRO
Data Sheet
Logic Design Solutions
5/15
1.5
E.S.I. interface
The MESC_PM3 is only connected to the E.S.I. 16-bits output data bus. The ESSYNC signals is also used to synchronise the
frame received from the APC.
All the FPGA is synchronised on the APC ESCLK signals.
The ESI output is a repeating frame of length 34 cycles, which corresponds exactly to an APC internal timeslot. In each timeslot
the APC can perform the enqueue of a single cell from the Utopia interface on Ingress. The MESC_PM3 will monitor events
associated with this operation.
If the ESSYNC pulse is missing the associated cell will not be processed.
The fields which will be extracted, as a subset of the complete ESI frame, to support the statistics given earlier, are listed below.
IE_ relates to Ingress Enqueue events. The position of each field within the frame is also given. Cycles within the ESI frame are
numbered 0 to 33, with the high pulse on ESSYNC marking the position of Word 0.
Field
Word
12
12
13
17
Bits
14:8
7:0
15:0
15:0
PM_PMX[6:0]
PM_BLER01[7:0]
PM_TUCD01[15:0]
PM_TUC01[15:0]
These are the Performance Monitoring results.
-
The PM_PMX is the index to one of 127 PM tasks within the APC.
-
The PM_BLER01 is the Block Error Result for the CLP0+1 cell stream.
-
The PM_TUCD01 is the Total User Cell Difference for the CLP0+1 cell stream.
-
The PM_TUC01 is the Total Number of User Cells Transmitted for the CLP0+1 cell stream.
Please refer to APC version 3b data sheet to get more detail.
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| MESR321-SL | 制造商:B&B Electronics Manufacturing Company 功能描述:MODBUS ISO ESS 1 RJ45 SM LC |
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