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參數(shù)資料
| 型號： | DS26303 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| 中文描述： | 3.3V、E1/T1/J1、短程、8通道線路接口單元 |
| 文件頁數(shù)： | 60/97頁 |
| 文件大小： | 966K |
| 代理商： | DS26303 |
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DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
60 of 97
6.4.4 AIS
Table 6-6
outlines the DS26303 AIS-related specifications.
Table 6-7
states the AIS functionality in the DS26303.
The registers related to the AIS detection are shown in
Table 6-8
.
Table 6-6. AIS Criteria T1.231, G.775, and ETSI 300 233 Specifications
STANDARD
ETSI 300233 FOR E1
CRITERIA
ITU G.775 FOR E1
ANSI T1.231 FOR T1
Fewer than nine 0s detected
in a 8192-bit period (a ones
density of 99.9% over a period
of 5.3ms) are received.
AIS
Detection
Two or fewer 0s in each of two
consecutive 512-bit streams
received.
Fewer than three 0s detected
in 512-bit period.
AIS
Clearance
Three or more 0s in each of two
consecutive 512-bit streams
received.
Three or more 0s in a 512-bit
period received.
Nine or more 0s detected in a
8192-bit period are received.
Table 6-7. AIS Detection and Reset Criteria
STANDARD
ETSI 300233 FOR E1
CRITERIA
ITU G.775 FOR E1
Two or fewer 0 in each of two
consecutive 512-bit streams
received.
ANSI T1.231 FOR T1
AIS
Detection
Fewer than three 0s detected
in 512-bit period.
Fewer than nine 0s contained
in 8192 bits.
AIS
Clearance
Three or more 0s in each of two
consecutive 512-bit streams
received.
Three or more 0s in a 512-bit
period received.
Nine or more bits received in a
8192-bit stream.
Table 6-8. Registers Related to AIS Detection
REGISTER
ACRONYM POINTER
FUNCTIONALITY
Section criteria for AIS. T1.231,
G.775, ETSI 300233 for E1.
Set when AIS is detected.
If reset interrupt due to AIS is not
generated.
Latched if there is a change in AIS
and the Interrupt is enabled.
LOS/AIS Criteria
LASCS
AIS Register
AIS
AIS Enable Register
AISIE
AIS Interrupt
AISI
相關PDF資料 |
PDF描述 |
|---|---|
| DS26303G-120 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303G-75 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303GN-120 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303GN-75 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303L-120 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS26303_07 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303-75DK | 功能描述:網絡開發(fā)工具 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:Rabbit Semiconductor 產品:Development Kits 類型:Ethernet to Wi-Fi Bridges 工具用于評估:RCM6600W 數(shù)據(jù)速率:20 Mbps, 40 Mbps 接口類型:802.11 b/g, Ethernet 工作電源電壓:3.3 V |
| DS26303DK | 功能描述:網絡開發(fā)工具 DS26303 Dev Kit RoHS:否 制造商:Rabbit Semiconductor 產品:Development Kits 類型:Ethernet to Wi-Fi Bridges 工具用于評估:RCM6600W 數(shù)據(jù)速率:20 Mbps, 40 Mbps 接口類型:802.11 b/g, Ethernet 工作電源電壓:3.3 V |
| DS26303G-120 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303G-75 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
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