XECOM XE0071T, XE0071L Datasheet

Loading...

XE0071

05/99

Very-Low Profile V.34 Compatible Telephone Line Interface

Description

Xecom's XE0071, Slim-Link DAA, is a miniature, highperformance telephone interface module for applications with extreme space restrictions. The XE0071 meets FCC Part 68 rules for direct connection to the public telephone network and supports V.34 data transfer.

Xecom offers the XE0071 in two pin configurations. The XE0071T pins extend perpendicularly for throughhole insertion. The XE0071L pins extended laterally so that the DAA can be surface mounted into a cutout in the host printed circuit board.

Features

*Miniature Size: 0.75" long 0.75" wide 0.159" thin (maximum);

*V.34 compatible for data transfer at 33,600 bps;

*FCC Part 68 Compliant;

*Low Total Harmonic Distortion;

*Ring Detection;

*3.3 Volt or 5 Volt Operation

*Integral Hookswitch

*2 Available Pin Styles

Both XE0071 models provide a complete telephone line interface including the line transformer, ring detect circuit and switch hook control. Slim-Link supplies a minimum of 1500 volts isolation from the telephone line.

The XE0071 operates from a single power supply of either +5 volts or +3.3 volts for low power applications.

XE0071L - Pins extend laterally for mounting within PCB cutout

XE0071T - Through-Hole Pins

XE0071 Block Diagram

T1

 

TIP

Line

Loop

 

Current

 

T2 Transformer

RING

Shunt

 

 

 

 

 

 

 

 

OH

Hook-

 

 

Switch

 

 

 

 

 

 

 

 

 

 

 

RI

 

 

Ring

 

 

 

 

Detect

 

 

 

 

 

 

 

XECOM

(1)

XE0071

XE0071 Pin Configuration

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gnd

 

1

(top view) 9

 

 

 

Tip

 

 

 

 

 

 

 

 

 

 

T2

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OH

 

3

8

 

 

 

Ring

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T1

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

/RI

 

5

7

 

 

 

N/C

 

 

 

 

 

 

 

 

 

 

 

 

VCC

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XE0071 Pin Descriptions

Pin Name

Description

 

 

 

1

GND

This signal acts as common reference for all control signals. Signals on T1 and T2 are not referenced to

 

 

ground.

2

T2

T2 connects directly to the secondary side of the telephone line transformer.

3

OH

Hook-switch relay control. A high on OH closes the internal relay and connects the equipment to the tele-

 

 

phone line.

4

T1

T1 connects directly to the secondary side of the telephone line transformer.

5

/RI

Ring Indicate, output, active low, TTL, /RI provides a half-wave representation of the Ring as it appears on

 

 

the telephone line.

6

VCC

VCC provides the power source for the hook-switch control. The XE0071 operates with either 3.3 volt or 5

 

 

volt power.

7

N/C

No Connect

8

Ring

Ring (RJ11 Pin 4), one of two signals which form the telephone network connection. This device is not

 

 

sensitive to the polarity of the telephone line's battery voltage. Ring has 1500 volts isolation from the rest

 

 

of the circuitry. This isolation must be preserved throughout the system.

9

Tip

Tip (RJ11 Pin 3) provides the second connection to the telephone network . Tip has 1500 volts isolation

 

 

from the rest of the circuitry. This isolation must be preserved throughout the system.

 

 

 

Note: Xecom placed the telephone and control leads on opposite sides of the device to assist the user in maintaining the necessary isolation between the telephone network and the user equipment. FCC Part 68 rules require 1500 volts isolation between the telephone line and all other circuits.

XECOM

(2)

XE0071

XE0071L Mechanical Specifications

 

 

 

B

 

A

 

 

 

PCMCIA

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Circuit Board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

Pin 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

K

 

 

E J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inches

 

 

 

 

Millimeters

Dim

Description

 

 

Min

Max

 

 

 

 

Min

Max

A

Module Width

 

 

0.745

0.755

 

18.92

 

19.18

B

Top of module to underside of Pin

 

 

0.084

0.094

 

2.13

 

2.39

C

Underside of Pin to bottom of module

 

0.065

0.075

 

1.65

 

1.91

D

Module height at thickest point

 

 

0.149

0.159

 

3.78

 

4.04

E

Module Length

 

 

0.745

0.755

 

18.92

 

19.18

F

End of Pin Row to module edge

 

 

0.120

0.130

 

3.05

 

3.30

G

Pin 7 to module edge

 

 

0.220

0.230

 

5.59

 

5.84

H

Pin Spacing (control side, center to center)

 

0.095

0.105

 

2.41

 

2.67

I

Pin Spacing (Telco side, center to center)

 

0.195

0.205

 

4.95

 

5.21

J

Pin Row Length (control side)

 

 

0.495

0.505

 

12.57

 

12.83

K

Pin Row Length (Telco side)

 

 

0.395

0.405

 

10.03

 

10.29

L

Pin Length

 

 

0.045

0.055

 

1.14

 

1.40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes: Dimension D is not uniform. This drawing shows the module's maximum envelope.

Pins are 0.010 inches by 0.020 inches, tin plated.

XECOM

(3)

XE0071

+ 5 hidden pages