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XE2401L

2400bps Serial Input Component Modem

Unspecified 

Mechanical Specifications - Package type 'C2'

INCHES METRIC(MM)

PIN MIN MAX MIN MAX

A 2.270 2.290 57.66 58.17

B 1.070 1.090 27.18 27.69

C 0.420 0.430 10.67 10.92

D 0.890 0.910 22.61 23.11

E 1.890 1.910 48.01 48.51

F 0.125 0.200 03.18 05.08

G 0.080 0.100 02.03 02.54

H 0.180 0.200 04.57 05.08

J 0.090 0.110 02.29 02.79

K 0.020 0.025 00.51 00.64

METRIC ENGLISH

WEIGHT 31.75 grams 1.12 oz.

A

B

•

PIN 1 DOT

Pins: 0.025" x 0.025"

All pins tin-plated

C

Recommended hole

K

size: 0.056"

F

D

J

G

E

H

Pin Descriptions

PIN NAME I/O

DESCRIPTION

1 RESET I

External reset pin active HI, TTL. An internal circuit resets the modem

when power is applied, no external reset is required. Any external reset

applied to the modem must be applied for a minimum of 100

milliseconds.

2

AR

O

Auxiliary Data/Voice Relay output, active HI, TTL/CMOS. When high the

external, auxiliary telephone set relay is closed and the modem is in the

voice mode.

3

RXD

O

Serial data output to the DTE (i.e. external UART). A logic "high"

represents a "mark" and a logic "low" represents a "space", TTL.

9 \DTR

I

Data Terminal Ready, input, active LO, TTL. The function of this pin

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

2/XECOM

XE2401L

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