XE0052S Просмотр технического описания (PDF) - Xecom
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XE0052S Datasheet PDF : 7 Pages
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XE0052 Pin Descriptions
Pin Name I/O Description
1 Ring
--- Ring connection to the phone line (RJ11 Pin 4). The Ring pin has 1500 volts isolation
from the rest of the circuitry. This isolation must be preserved throughout the system.
2
Tip
--- Tip Connection to the phone line (RJ11 Pin 3). The Tip pin has 1500 volts isolation
from the rest of the circuitry. This isolation must be preserved throughout the system.
3
OH
I Hookswitch relay control. A high on OH closes the internal relay and connects the
equipment to the telephone line.
4
TX
I TX provides the analog input signal to the 2-4 wire convertor of the XE0052S. TX
uses a 2.5 volt reference signal and therefore must be capacitively coupled to the host
equipment.
5 GND
-- Ground
6 VCC
--- +5 Volts supply power
7
RX
O RX provides the analog output signal from the 2-4 wire converter of the XE0052S. RX
uses a 2.5 volt reference signal and therefore must be capacitively coupled to the host
equipment.
8
/RI
O Ring Indicate, output, active low, TTL. On the XE0052S a low on /RI indicates the
modem is receiving a ring signal. The XE0052T provides a pulse string at twice the
ring frequency when a ring is detected.
XE0052 Absolute Maximum Ratings
Storage Temperature
Operating Temperature Range
Maximum Lead Temperature
(soldering 2 seconds per wave)
-25OC to +85OC
0OC to +70OC
260OC
XECOM
(4)
XE0052
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