XE2476 Ver la hoja de datos (PDF) - Xecom

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XE2476

2400 bps Plug-In Upgrade to CH1776

Xecom 

XE2476 Mechanical Specifications

INCHES

PIN MIN MAX

A 1.990 2.010

B 1.115 1.135

C 0.420 0.430

D 0.100 0.120

E 0.890 0.910

F 0.090 0.110

G 0.090 0.110

H 0.190 0.210

I 0.020 0.025

J 0.125 0.200

METRIC(MM)

MIN MAX

50.55

28.32

10.67

2.54

22.61

2.29

2.29

4.83

0.51

3.18

51.05

28.83

10.92

3.05

23.11

2.79

2.79

5.33

0.64

5.08

Pins = Ø0.025 square pin

All pins tin-plated

Pin Descriptions

PIN NAME I/O

DESCRIPTION

1

\HS

O

High Speed indicator, output, active LO, TTL/CMOS. Low when

operating at 2400bps rate, high otherwise.

2

\CMD -

Command Enable is not supported on the XE2476. This pin is open

internally.

3

\AAD

-

The Automatic Answer Disable pin is not supported in the XE2476.

Register S0 controls automatic answer operation.

4

\DCD O

The operation of Data Carrier Detect is controlled by the &C command.

DCD may be configured to remain active, DCD low, or may go low to

indicate receipt of valid carrier.

5

\DTR

I

Data Terminal Ready is an active low input The function of this pin is

set by the &D command and the value in register S21. Normally, the

modem ignores DTR.

2/XECOM

XE2476

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