Octagon Systems 5556 Manual de usuario

5556 Modem Card

The contents of this document and the specifications herein may

change without notice.

Trademarks

Octagon Systems Corporation®, the Octagon logo and Micro PCare

trademarks of Octagon Systems Corporation. DiskOnChip®is a

registered trademark of M–Systems.

Notice to user

The information contained in this document is believed to be correct.

However, Octagon assumes no responsibility for any of the circuits

described herein, conveys no license under any patent or other right

and makes no representations that the circuits are free from patent

infringement. Octagon makes no representation or warranty that

such applications will be suitable for the use specified without

further testing or modification.

6510 W. 91st Ave.

Westminster, CO 80031

Technical support: 303–426–4521

Telephone: 303–430–1500

FAX: 303–426–8126

Web site: www.octagonsystems.com

5556 Modem Card

User’s Manual

5182(0501)

≡FCC instructions

This product complies with part 68 of the FCC Rules and

Regulations. With each device shipped, there is a label which

contains, among other information, the FCC Registration Number

and Ringer Equivalence Number (REN) for this product. You must,

upon request, provide this information to your telephone company.

The REN is useful to determine the quantity of devices you may

connect to a telephone line and still have all of these devices ring

when the number is called. In most, but not all areas, the sum of the

RENs of all devices connected to one line should not exceed five (5.0).

To be certain of the number of devices you may connect to the line,

as determined by the REN, you should contact the local telephone

company to determine the maximum REN for your calling area.

If your system causes harm to the telephone network, the telephone

company may discontinue service temporarily. If possible, they will

notify you in advance. If advance notification is not practical, you

will be notified as soon as possible.

Your telephone company may make changes in its facilities,

equipment, operations, or procedures that could affect proper

functioning of your equipment. If they do, you will be notified in

advance to give you an opportunity to maintain uninterrupted

telephone service.

If you experience trouble with this device please contact Octagon

Systems for information on obtaining service or repairs. The

telephone company may ask you to disconnect this device from the

network until the problem has been corrected or until you are sure

that the device is not malfunctioning.

This device may not be used on coin service lines provided by the

telephone company (this does not apply to private coin telephone

applications, which use standard telephone lines). Connection to

party lines is subject to state tariffs.

≡Preface

This product sheet is a guide to the proper configuration,

installation, and operation of your 5556 Modem Card. The 5556

expansion card is part of the Octagon Micro PC system. It is

designed to be used with any other Micro PC Control Cards. You can

use your 5556 card in conjunction with other Micro PC expansion

cards, tailoring your system for a wide variety of applications. The

5556 card can also be used in an IBM-compatible PC. Micro PC

cards are too tall to fit in an XT, but will fit in AT industrial size and

other AT-size cases. All Micro PC products are modular, so creating

a system is as easy as selecting and plugging in the products you

need.

Table of Contents

5556 Modem Card ...........................................................................................................................................................1

Copyright......................................................................................................................................................................1

Trademarks...................................................................................................................................................................1

Notice to user...............................................................................................................................................................1

≡FCC instructions ......................................................................................................................................................2

≡Preface........................................................................................................................................................................2

Table of Contents ............................................................................................................................................................4

List of Figures ..................................................................................................................................................................5

List of Tables....................................................................................................................................................................5

Overview.......................................................................................................................................................................6

Introduction.............................................................................................................................................................6

Major features..........................................................................................................................................................6

Equipment................................................................................................................................................................7

Installation....................................................................................................................................................................8

Interrupt request......................................................................................................................................................9

Base port address....................................................................................................................................................9

AT commands............................................................................................................................................................11

Introduction...........................................................................................................................................................11

Operating modes...................................................................................................................................................11

Escape sequence...................................................................................................................................................12

Returning to online mode....................................................................................................................................12

AT commands.......................................................................................................................................................13

Result codes...........................................................................................................................................................17

S–Register..............................................................................................................................................................18

Troubleshooting.........................................................................................................................................................19

Numbers instead of words display.....................................................................................................................19

Type the AT command and do not receive an OK message.........................................................................19

The modem does not respond to your commands...........................................................................................19

The command characters do not appear on the screen...................................................................................19

Double letters appear on the screen when typing commands.......................................................................19

Technical specifications...........................................................................................................................................20

Other parameters...................................................................................................................................................21

Jumper configurations..............................................................................................................................................22

List of Figures

Figure 1 5556 Component diagram.................................................................................8

Figure 2 5556 Card orientation.....................................................................................10

List of Tables

Table 1 Interrupt request lines: W1.............................................................................9

Table 2 Base port address: W1......................................................................................9

Table 3 Prefix, repeat, and escape commands..........................................................13

Table 4 Set 300/1200 BPS protocol.............................................................................13

Table 5 Dialing options................................................................................................13

Table 6 Echo commands..............................................................................................14

Table 7 Hook control....................................................................................................14

Table 8 Volume control................................................................................................14

Table 9 Speaker on/off.................................................................................................14

Table 10 Enable/disable result codes ...........................................................................14

Table 11 Read/write to S registers...............................................................................15

Table 12 Result code and dialing options....................................................................15

Table 13 Long space disconnect...................................................................................15

Table 14 Carrier detect (DCD) options.........................................................................15

Table 15 Data terminal ready (DTR) options..............................................................15

Table 16 Guard tone ......................................................................................................16

Table 17 Make/break pulse ratio..................................................................................16

Table 18 Other commands.............................................................................................16

Table 19 Result code summary ....................................................................................17

Table 20 S–Register summary......................................................................................18

Table 21 Performance specifications............................................................................21

Table 22 Telephone line interface specifications.........................................................22

Table 23 Interrupt request lines: W1..........................................................................22

Table 24 Base port address: W1...................................................................................22

Overview

Introduction

The 5556 Micro PC Modem Card is a compact 56K BPS data modem

solution for the Micro PC product line. It supports baud rates up to

56K. It is AT command set compatible and will work with any

popular AT compatible communication software written for the PC.

The 5556 complies with the Bell System 103/212A and CCITT

V.22/V.22bis/V.21 protocols. It can be used with any Micro PC

Control Card or Microcontroller and occupies one slot in a Micro PC

card cage.

Major features

nCompatible Hayes AT command set

nSupports the following protocols:

–Bell System 103 and 212A

–V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34, V.34bis, V.90

nAutomatic speed selection/Automatic fallback to slower speed

nAuto–originate and auto–answer modes

nDialing capabilities:

–Autodial in tone or pulse

–Call progress monitoring

–Programmable number of rings before answer

n5V operation

This chapter covers the installation and configuration of your 5556

Modem Card. Please refer to your software documentation for

additional information on installation and configuration of a modem.

The 5556 may be used with any Micro PC Control Card.

The 5556 contains static sensitive CMOS components. The greatest

danger occurs when the card is plugged into a card cage. The 5556

becomes charged by the user and the static discharges to the

backplane from the pin closest to the card connector. If that pin

happens to be an input pin, even TTL inputs may be damaged. To

avoid damaging your card and its components:

1. Ground yourself before handling the 5556 Modem Card.

2. Disconnect power before removing or inserting the 5556 card.

Equipment

You will need the following equipment (or equivalent) to use your

5556:

nMicro PC Control Card

n5556 Modem Card

nMicro PC Card Cage

nPower Module

nCommunication software

Installation

Before installing the 5556 Modem Card, refer to Figure 1 for the

location of various connectors and jumpers:

Figure 1 5556 Component diagram

Interrupt request

The interrupt request line used by the modem is configured at the

factory for IRQ3. You may change this setting by reconfiguring

jumper block W1:

Table 1 Interrupt request lines: W1

Pins Jumpered IRQ

[1-2]

[3-4]*

[5-6]

[7-8]

[9-10]

[11-12]

IRQ2

IRQ3

IRQ4

IRQ5

IRQ6

IRQ7

* = default

Base port address

The 5556 can be configured as COM1, COM2, COM3 or COM4. It is

configured at the factory to operate using COM3. To change the base

port address, you must reconfigure jumper block W1.

Table 2 Base port address: W1

Pins Jumpered COM port Address

[13-14]

[15-16]*

[17-18]

[19-20]

COM4

COM3

COM2

COM1

2E8-2Efh

3E8-3Efh

2F8-2FFh

3F8-3FFh

* = default

Note When using Micro PC Control Cards, be sure not to jumper the 5556

to a COM port that is used on another card. Doing so will cause

erratic and unpredictable results.

To install the 5556 in the card cage:

Take care to correctly position the 5556 in the card cage. The Vcc and

ground signals must match those on the backplane. Figure 2 shows

the relative position of the 5556 as it is installed in the card cage.

Figure 2 5556 Card orientation

1. Verify the interrupt and COM port selections are correct for your

application.

2. Turn the card cage power off.

3. Position the cage so that the backplane is away from you, the power

module is to the right, and the open side of the cage is closest to you.

The lettering on the backplane should be right side up (for example,

you should be able to read “A31” on the backplane), with the words

“OCTAGON SYSTEMS CORP.” running vertically along the left side

of the backplane. This position is “feet down” for a table mount cage

and “feet back” for a rear mount.

4. Slide the 5556 into the card cage. The components on the card

should face to the left. The lettering on the card (“Octagon Systems

Corp.”) should be on the top edge of the card and the gold contact

fingers toward the backplane.

5. Plug the 5556 into the backplane.

6. The amber LED will light briefly whenever the card is accessed

(input or output).

7. Unplug your telephone set’s modular cable connector from the wall

jack. Then plug it into the jack labeled PHONE on the 5556

(optional). (When using the 5556’s automatic features, there is no

need to have the telephone plugged in.)

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