XRT7300 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT7300' PDF : 55 Pages View PDF
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PIN DESCRIPTION
PIN #
SYMBOL
43
MRING
44
MTIP
XRT7300
E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.1.1
TYPE
I
I
DESCRIPTION
Monitor Ring Input:
The bipolar line output signal from TRING can be connected to this pin via a 270
Ω resistor in order to check for line driver failure. This pin is internally pulled
“High”.
Monitor Tip Input:
The bipolar line output signal from TTIP can be connected to this pin via a 270 Ω
resistor in order to check for line driver failure. This pin is internally pulled “High”.
9
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