XE0068 데이터 시트보기 (PDF) - Xecom

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XE0068

FCC Registered Phone Line Interface

Xecom 

XE0068 PIN CONFIGURATION

VCC 1

N/C 2

N/C 3

N/C 4

N/C 5

N/C 6

N/C 7

N/C 8

N/C 9

N/C 10

N/C 11

N/C 12

D/V 13

XE0068

26 TIP

24 RING

22 RI

21 OH

20 N/C

19 RCVR

18 XMIT

17 N/C

16 N/C

15 N/C

14 GND

PIN DESCRIPTIONS

PIN NAME

I/O

1 VCC

---

13 D/V

I

14 GND

---

18 XMIT

I

19 RCVR

O

21 OH

I

22 RI

O

24 Ring

---

DESCRIPTION

+5 Volt power;

A TTL Low on Data/Voice selects a transmit level output of 0 dBm for voice or

DTMF signaling applications. A High on Data/Voice sets a maximum -9 dBm

transmit level for data transfer.

Ground reference for the XE0068;

XMIT is the Analog input signal to the XE0068. The input impedance on XMIT is

typically 10 Kohms at 1800 Hz. Signals placed on XMIT less than 0 dBm will be

placed on the telephone line at a maximum of -9 dBm when the Data/Voice signal

is driven high and a maximum of 0 dBm when Data/Voice is driven low.

RCVR is the Analog output signal from the 2-4 wire converter. The output imped-

ance of RCVR is typically 10 ohms at 1800 hz. The signal level on RCVR will be

within 1 dBm of the received signal level present on the telephone line.

Hookswitch control. A High on OH closes the internal relay to connect the equipment

to the phone line.

Ring Indicate, output, active low, TTL, indicates the modem is receiving a ring signal.

Ring connection to the phone line (RJ11 Pin 4).

XECOM

(3)

XE0068

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