CMX228 参数 Datasheet PDF下载

ISDN Data and Telephony Protocol Engine (inc. X.25)

CMX228

CONTENTS

Section

Page

1.0 Features and Applications .........................................................................1

1.1 Brief Description.........................................................................................1

1.2 Block Diagram ............................................................................................4

1.3 Signal List ...................................................................................................5

1.4 External Components.................................................................................8

1.5 General Description....................................................................................9

1.5.1 Glossary

....................................................................................10

1.5.2 Initialisation...............................................................................11

1.5.3 ISDN Interface............................................................................11

1.5.3.1 Activation.....................................................................11

1.5.3.2 De-activation or Line Disconnection .............................11

1.5.3.3 Line Failure Detection ..................................................11

1.5.3.4 Incoming Calls .............................................................12

1.5.3.5 Multiple Subscriber Numbering.....................................12

1.5.3.6 Channel Mapping.........................................................12

1.5.4 POTS Configuration..................................................................13

1.5.4.1 Configuration and Control via DTMF Keypad................13

1.5.5 POTS Operation

........................................................................15

1.5.5.1 Keypad Operation ........................................................15

1.5.5.2 Incoming POTS Calls...................................................15

1.5.5.3 Outgoing POTS Calls...................................................15

1.5.5.4 Connected Calls...........................................................16

1.5.5.5 Call Clearing ................................................................16

1.5.6 Data Configuration....................................................................17

1.5.6.1 Hayes Command Set...................................................17

1.5.6.2 Hayes Register Set ......................................................22

1.5.6.2.1 X.25 Virtual Circuit Parameters .................................23

1.5.6.2.2 X.25 Parameters.......................................................24

1.5.6.2.3 V.120 Parameters .....................................................25

1.5.6.2.4 X.25 PAD Parameters...............................................25

1.5.6.2.5 B Channel LAPB Parameters ....................................26

1.5.6.2.6 Basic Configuration Parameters ................................26

1.5.7 Data Operation

..........................................................................28

1.5.7.1 Incoming B-Channel Data Calls....................................28

1.5.7.2 Outgoing B-Channel Data Calls....................................28

1.5.7.3 X.25 Data Calls on the D-Channel................................28

1.5.7.4 Connected Calls...........................................................28

1.5.7.5 Call Clearing ................................................................28

1.5.8 Application Programmer's Interface

........................................29

1.5.9 Hardware Description

...............................................................30

1.5.9.1 LED Status Indicators (LED1 to LED9, and ILFI)..........30

©

1999

Consumer Microcircuits Limited

©

1999

Chiron Technology Limited

2

D/228/1