參數(shù)資料
型號(hào)： XRT73LC00A
廠商： Exar Corporation
英文描述： E3/DS3/STS-1 LINE INTERFACE UNIT
中文描述： E3/DS3/STS-1線路接口單元
文件頁(yè)數(shù)： 45/53頁(yè)
文件大?。?/td> 376K
代理商： XRT73LC00A
xr
XRT73LC00A
E3/DS3/STS-1 LINE INTERFACE UNIT
PRELIMINARY
REV. P1.0.0
42
The Transmit Drive Monitor feature performs monitor-
ing of the line in the Transmit Direction for the occur-
rence of fault conditions such as a short circuit on the
line or a defective Transmit Drive in the
XRT73LC00A.
The Transmit Drive Monitor is activated by connecting
the MTIP pin (pin 44) to the TTIP line through a 270
resistor connected in series and by connecting the
MRING pin (pin 43) to the TRING line through a 270
resistor connected in series, as illustrated in
Figure 32.
When the Transmit Drive Monitor circuitry is connect-
ed to the line as illustrated in Figure 26, then it moni-
tors the line for transitions. As long as the Transmit
Drive Monitor circuitry detects transitions on the line
via the MTIP and MRING pins, it keeps the DMO
(Drive Monitor Output) signal “Low”. However, if the
Transmit Drive Monitor circuit detects no transitions
on the line for 128±32 TCLK periods, then the DMO
signal toggles “High”.
N
OTES
:
1. The Transmit Drive Monitor circuit does not have to
be used to operate the Transmit Section of the
XRT73LC00A. This is purely a diagnostic feature.
2. The Transmit Drive Monitor feature can also be
used to monitor the Transmit Output Line Signal of
another LIU IC as illustrated in Figure 33.
F
IGURE
32. T
HE
XRT73LC00A E
MPLOYING
THE
T
RANSMIT
D
RIVE
M
ONITOR
F
EATURES
R1 = 31.6
R2 = 31.6
TTIP
TRING
1:1
MTIP
MRING
R3 = 270
R4 = 270
T1
R5 = 75
相關(guān)PDF資料
PDF描述
XRT73LC00AIV E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73LC03A 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73LC03AIV 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73LC04A 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73LC04AIV 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT73LC00A_08 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73LC00AES 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT73LC00AIV 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT73LC00AIV-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 1-Ch DS3, E3, SONET RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT73LC00AIVTR 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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