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參數(shù)資料
| 型號： | TMXF84622 |
| 英文描述： | TMXF84622 155 Mbits/s/622 Mbits/s Interface SONET/SDH x84/x63 Ultramapper |
| 中文描述： | TMXF84622 155 Mbits/s/622 Mbits /秒接口的SONET / SDH x84/x63 Ultramapper |
| 文件頁數(shù)： | 25/62頁 |
| 文件大?。?/td> | 902K |
| 代理商： | TMXF84622 |
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Agere Systems Inc.
25
Advance Data Sheet, Rev. 2
July 2001
SONET/SDH x84/x63 Ultramapper
TMXF84622 155 Mbits/s/622 Mbits/s Interface
2 The SONET/SDH Ultramapper
(continued)
2.19 Line Decoder/Encoder
I
The line decoder/encoder supports either single-rail or dual-rail transmission. In dual-rail mode, the line codes
supported are as follows.
I
Alternate mark inversion (AMI).
I
DS1 binary 8 zero code suppression (B8ZS).
I
ITU-CEPT high-density bipolar of order 3 (HDB3).
In the single-rail mode, a line interface unit (LIU) decodes/encodes the data.
In the dual-rail mode, loss of signal is monitored.
In the case of coded mark inversion (CMI) coding (Japanese TTC standard JJ-20.11), the LIU decodes the data,
indicating both the CMI coding rule violations (CRVs) and line coding violations as bipolar violations. (In the CMI
mode, the framer is in the single-rail mode.)
2.20 Receive Frame Aligner/Transmit Frame Formatter
The receive frame aligner and transmit frame formatter support the following frame formats:
I
D4 Ultraframe.
I
SF D4 Ultraframe: F
T
framing only.
I
J-D4 Ultraframe with Japanese remote alarm.
I
DDS.
I
SLC
-96.
I
ESF.
I
J-ESF (J1 standard with different CRC-6 algorithm).
I
Nonalign DS1 (193 bits
—
clear channel).
I
CEPT basic frame (ITU G.706).
I
CEPT CRC-4 multiframe with 100 ms timer (ITU G.706).
I
CEPT CRC-4 multiframe with 400 ms timer (automatic CRC-4/non-CRC-4 equipment interworking) (ITU G.706
Annex B).
I
Nonalign E1 (256 bits
—
clear channel).
I
2.048 coded mark inversion (CMI) coded interface (TTC standards JJ-20.11).
2.20.1 Receive Performance Monitor
The receive framer monitors the following alarms: loss of receive clock, loss of signal, loss of frame, alarm indica-
tion signal (AIS), remote frame alarms, and remote multiframe alarms. These alarms are detected as defined by
the appropriate
ANSI
, AT&T, ITU, and ETSI standards.
Performance monitoring as specified by AT&T,
ANSI
, and ITU is provided through counters monitoring bipolar vio-
lation, frame bit errors, CRC errors, errored events, errored seconds, bursty errored seconds, and severely errored
seconds.
In-band loopback activation and deactivation codes can be transmitted to the line via the payload or the facility data
link. In-band loopback activation and deactivation codes in the payload or the facility data link are detected.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMXF846221BL-3-DB | 制造商:LSI Corporation 功能描述:Mapper DS3/E3/DS2/DS1/DS0/E1 SONET/SDH 155Mbps/622Mbps 1.5V/3.3V 700-Pin BGA Bag |
| TMXM-0-49 | 制造商:Brady Corporation 功能描述: |
| TMXM-11 | 制造商:Brady Corporation 功能描述: |
| TMXM-1-10-PK | 制造商:Brady Corporation 功能描述:MICRO CONSECUTIVE NOS. REPEAT - LEGEND: 1-10 |
| TMXM-1-25-PK | 制造商:Brady Corporation 功能描述:MICRO CONSECUTIVE NOS. REPEAT - LEGEND: 1-25 |
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