參數(shù)資料
型號(hào)： XRT7302
廠商： Exar Corporation
英文描述： 2 Channel E3/DS3/STS-1 Line Interface Unit(2通道 E3/DS3/STS-1線接口單元)
中文描述： 2頻道E3/DS3/STS-1線路接口單元（2通道E3/DS3/STS-1線接口單元）
文件頁(yè)數(shù)： 11/62頁(yè)
文件大?。?/td> 715K
代理商： XRT7302
á
2 CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
XRT7302
REV. 1.1.6
7
24
LLB0
I
Local Loop-back - Channel 0:
This input pin along with RLB0 dictates the Loop-Back mode in which Channel
0 in the XRT7302 is operating.
A "High" on this pin with RLB0 set to "Low" configures Channel 0 of the
XRT7302 to operate in the Analog Local Loop-back Mode.
A "High" on this pin with RLB0 set to "High" configures Channel 0 of the
XRT7302 to operate in the Digital Local Loop-back Mode.
N
OTE
:
This input pin is ignored and should be connected to GND if the
XRT7302 is operating in the HOST Mode.
25
RLB0
I
Remote Loop-back - Channel 0:
This input pin along with LLB0 dictates the Loop-Back mode in which Channel
0 in the XRT7302 is operating.
A "High" on this pin with LLB0 being set to “Low" configures Channel 0 of the
XRT7302 to operate in the Remote Loop-back Mode.
A "High" on this pin with LLB0 also being set to "High" configures Channel 0 of
the XRT7302 to operate in the Digital Local Loop-back Mode.
N
OTE
:
This input pin is ignored and should be connected to GND if the
XRT7302 is operating in the HOST Mode.
26
AVDD
****
Receive Analog VDD - Channel 0:
27
RRing0
I
Receive Ring Input - Channel 0:
This input pin along with RTIP0 is used to receive the bipolar line signal from
the Remote DS3/E3 Terminal.
28
RTIP0
I
Receive TIP Input - Channel 0:
This input pin along with RRing0 is used to receive the bipolar line signal from
the Remote DS3/E3/STS-1 Terminal.
29
AGND
****
Receive Analog GND - Channel 0
30
REQEN0
I
Receive Equalization Enable Input - Channel 0:
Setting this input pin "High" enables the Internal Receive Equalizer of Channel
0. Setting this pin "Low" disables the Internal Receive Equalizer. The guide-
lines for enabling and disabling the Receive Equalizer are described in Section
3.2.
N
OTE
:
This input pin is ignored and should be connected to GND if the
XRT7302 is operating in the HOST Mode.
31
REQEN1
I
Receive Equalization Enable Input - Channel 1:
Setting this input pin "High" enables the Internal Receive Equalizer of Channel
1. Setting this pin "Low" disables the Internal Receive Equalizer. The guide-
lines for enabling and disabling the Receive Equalizer are described in Section
3.2.
N
OTE
:
This input pin is ignored and should be connected to GND if the
XRT7302 is operating in the HOST Mode.
32
AGND
****
Receive Analog GND - Channel 1
33
RTIP1
I
Receive TIP Input - Channel 1:
This input pin along with RRing1 is used to receive the bipolar line signal from
the Remote DS3/E3/STS-1 Terminal.
PIN DESCRIPTION
P
IN
#
S
IGNAL
N
AME
T
YPE
D
ESCRIPTION
相關(guān)PDF資料
PDF描述
XRT73L02M TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73L02MIV TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73L02 2 Channel E3/DS3/STS-1 Line Interface Unit(2通道 E3/DS3/STS-1線接口單元)
XRT73L03A 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L03AIV 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
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XRT73L00 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73L00A 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT
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XRT73L00AIV 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT
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