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參數(shù)資料
| 型號(hào)： | TFRA08C13 |
| 廠商： | Lineage Power |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| 中文描述： | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| 文件頁(yè)數(shù)： | 68/188頁(yè) |
| 文件大?。?/td> | 3047K |
| 代理商： | TFRA08C13 |
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Preliminary Data Sheet
October 2000
TFRA08C13 OCTAL T1/E1 Framer
68
L Lucent Technologies Inc.
Alarms and Performance Monitoring
(continued)
Table 26. Red Alarm or Loss of Frame Alignment Conditions
I
Yellow alarm
or the
remote frame alarm
(FRM_SR1 bit 0). This alarm is an indication that the line remote end
is in a loss of frame alignment state. Indication of remote frame alarm (commonly referred to as a yellow alarm)
as for the different framing formats is shown in Table 27.
Table 27. Remote Frame Alarm Conditions
I
Blue alarm
or the
alarm indication signal
(AIS). The alarm indication signal (AIS), sometimes referred to as the
blue alarm, is an indication that the remote end is out-of-service. Detection of an incoming alarm indication signal
is defined in Table 29.
Framing Format
Number of Errored Framing Bits That Will Cause a Red Alarm
(Loss of Frame Alignment) Condition
2 errored frame bits (F
T
or F
S
) out of 4 consecutive frame bits if FRM_PR10 bit 2 = 1.
2 errored F
T
bits out of 4 consecutive F
T
bits if PRM_PR10 bit 2 = 0.
2 errored frame bits (F
T
or F
S
) out of 4 consecutive frame bits if FRM_PR10 bit 2 = 1.
2 errored F
T
bits out of 4 consecutive F
T
bits if FRM_PR10 bit 2 = 0.
3 errored frame bits (F
T
or F
S
) or channel 24 FAS pattern out of 12 consecutive frame bits.
2 errored F
E
bits out of 4 consecutive F
E
bits or, optionally, 320 or more CRC6 errored
checksums within a one second interval if loss of frame alignment due to excessive CRC-6
errors is enabled in FRM_PR9.
Three consecutive incorrect FAS patterns or three consecutive incorrect NOT FAS patterns;
or optionally, greater than 914 received CRC-4 checksum errors in a one second interval if
loss of frame alignment due to excessive CRC-6 errors is enabled in FRM_PR9.
D4
SLC-96
DDS: Frame
ESF
CEPT
Framing Format
Superframe: D4
Superframe: D4-Japanese
Remote Frame Alarm Format
Bit 2 of all time slots in the 0 state.
The twelfth (12th) framing bit in the 1 state in two out of three consecutive super-
frames.
Bit 6 of time slot 24 in the 0 state.
An alternating pattern of eight ones followed by eight 0s in the ESF data link.
Bit 3 of the NOT FAS frame in the 1 state in three consecutive frames.
Bit 6 of the time slot 16 signaling frame in the 1 state.
Superframe: DDS
Extended Superframe (ESF)
CEPT: Basic Frame
CEPT: Signaling Multiframe
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TFRA08C13-DB | 制造商:AGERE 制造商全稱:AGERE 功能描述:TFRA08C13 OCTAL T1/E1 Framer |
| TFRA28J133BAL-1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecomm/Datacomm |
| TFRA84J13 | 制造商:AGERE 制造商全稱:AGERE 功能描述:Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| TFRA84J131BL-3-DB | 制造商:LSI Corporation 功能描述:Framer DS0/DS1/DS2/DS3/E1/E2/E3 1.5V/3.3V 909-Pin BGA |
| TFRA84J13DS0 | 制造商:AGERE 制造商全稱:AGERE 功能描述:Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
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