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參數(shù)資料
| 型號(hào)： | TMPR28051 |
| 英文描述： | TMPR28051 STS-1/AU-3 (STM-0) Mapper Device Advisory for Version 5 of the Device |
| 中文描述： | TMPR28051 STS-1/AU-3（的STM - 0）映射為版本的設(shè)備5設(shè)備咨詢 |
| 文件頁(yè)數(shù)： | 66/90頁(yè) |
| 文件大?。?/td> | 1090K |
| 代理商： | TMPR28051 |
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Data Sheet
August 1999
TMPR28051 STS-1/AU-3 (STM-0) Mapper
52
Lucent Technologies Inc.
Microprocessor Interface Description
(continued)
Register Architecture Description
(continued)
Rx VT Drop Monitoring (0x6B—0x86)
Table 22. Registers 0x6B—0x86: Rx VT Drop Monitoring
Address
(Hex)
Bit #
Name
Function
Reset
Default
(Hex)
Value is
0.
0x6B—0x86
—
—
The bits in register 0x6B—0x86 are used to report the VT
slot status.
The VTSIZEER[1:28] bits report incorrect VT size bits
when the value is 1. M = 1 reports an AIS or LOC condition
on DS1/E1. These are current state bits with a minimum
persistence of 500
μ
s. The indications reset if the condition
is no longer true.
The VTLOP[1:28] bits report VT loss of pointer when the
value is 1. These are current state bits with a minimum per-
sistence of 500
μ
s. The indications reset if the condition is
no longer true.
The VTRDI[1:0]_[1:28] bits report VT RDI. These are cur-
rent state bits with a minimum persistence of 500
μ
s. The
indications reset if the condition is no longer true.
Each VTAIS[1:28] bit = 1 reports that the V1 and V2 pointer
bytes are all 1s for three consecutive superframes. These
are current state bits with a minimum persistence of 1500
μ
s. The indications reset if the condition is no longer true.
The VTLAB[2:0]_[1:28] bits report the received VT labels.
These bits have a minimum persistence of 500
μ
s.
7
VTSIZEER[1:28]
6
VTLOP[1:28]
5
4
VTRDI1_[1:28]
VTRDI0_[1:28]
3
VTAIS[1:28]
2
1
0
VTLAB2_[1:28]
VTLAB1_[1:28]
VTLAB0_[1:28]
—
0x87
7—0
Reserved.
0x00
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