ZyXEL Communications 288S Macintosh Serial Port Pinouts

Appendix C - Connector Pinouts

C-2

Macintosh Serial Port Pinouts

The following table shows the wiring of a modem Macintosh hardware

handshaking cable:

Mac

Din 8 Modem

DB 25 Description

1 4 & 20 DTR to RTS and DTR, Hardware Handshaking Out

2 5 CTS to CTS, Hardware Handshaking In

3 2 TX- to TXD, Data sent

4 7 GND, Ground

5 3 RX- to RXD, Data received

6 - not connected

7 8 GPI to CD, Carrier detected

8 7 GND, Ground, needed for RS-232 connections

Contents

Main Foreword i Limited Warranty Copyright 1996 by ZyXEL Liability Notice Acknowledgements Foreword FCC Part 15 Information FCC Requirements Information for Canadian Users Telephone Company Requirements Table of Contents Foreword........................................................................... i Chapter 1 - Introduction................................................1-1 Chapter 2 - Installation..................................................2-1 Chapter 3 - Basic Modem Operation.............................3-1 Chapter 4 - Advanced Data Communications...............4-1 Chapter 5 - Synchronous Mode Operation...................5-1 Chapter 6 - Leased Line Operation ...............................6-1 Chapter 7 - Cellular Mode Operation.............................7-1 Chapter 8 - Special Functions.......................................8-1 Chapter 9 - Fax Operation .............................................9-1 Chapter 10 - Voice Mode Operation............................10-1 Chapter 11 - AT Command Set Summaries.................11-1 Chapter 12 - Status Registers & Result Codes ...........12-1 Appendix A - Upgrading Your Modem......................... A-1 Chapter 13 - Diagnostics & Troubleshooting............. 13-1 Page Chapter 1 - Introduction How to Use this Manual Unpacking Your Modem Enclosed Equipment Required Equipment Optional Equipment Becoming a Registered Owner Omni 288S Modem Features Standard features Intelligent Features Fax Compatibility Voice Features Technical Specifications Chapter 2 - Installation Required Steps for Omni 288S Installation Optional Steps for Omni 288S Installation Telephone Jack Microphone Speaker Driver and Software Installation Windows 95 Driver Installation Page Windows 95 Dial-up Networking Page Page Page Setup for DOS Fax/Modem Software Page Chapter 3 - Basic Modem Operation Understanding AT Commands Using the Windows 95 Hyper Terminal Program Dialing and Answering Techniques Dialing using the ATD Command Auto-Answer and Hook Controls Making Your First Connection Quick Tips when issuing AT Commands Modem Result Codes Viewing S Register Values Changing S Register Values Non-Volatile Memory Storing Phone Numbers Dialing Stored Phone Numbers Saving Settings and User Profiles Helpful Hints for PC Computers Default Modem Settings for PCs ZyXEL Serial/Parallel I/O Card Helpful Hints for Mac Computers Special AT Command Settings for Mac Mac Serial Port Mac Software Tips Helpful Hints for UNIX-Based Computers Serial Cable Basic Modem Settings for UNIX Unix Software Tips Chapter 4 - Advanced Data Communica ti ons Front Panel LEDs DTE Interface Synchronous and Asynchronous Communications UART Serial Port RS-232C or EIA-232D/E Communication Protocols and Speeds Universal Protocol Compatibility Choosing the Modem Link Options Setting the DTE to DCE Rate Error Control CRC (Cyclical Redundancy Check) Error Detection Automatic Re-transmission Request (ARQ) Error Correction ARQ Error Correction with Selective Reject Data Compression Run Length Encoding Adaptive Frequency Encoding String Coding Hardware or Software Flow Control Hardware CTS/RTS Software XON/XOFF Chapter 5 - Synchronous Mode Operation V.25bis Command Set Clock Options RTS Options Command State Options Dialing from Synchronous Mode Answering from Synchronous Mode Auto-Answer Manual Answer Chapter 6 - Leased Line Operation Connecting to a 2-Wire Leased Line Line Type Setting Power Level Setting Leased Line Handshaking Terminating a Leased Line Connection Chapter 7 - Cellular Mode Operation Cellular Phone Systems Cellular Impairments Cellular Modems and ZyCellular Technology ZyCellular Modes Cellular Mode Usage Cellular Modem Installation Examples Page Page Page Chapter 8 - Special Functions Security Functions Levels of Security User Passwords Remote Configuration Page Caller Number Delivery (Caller ID) Page Distinctive Ring Extended Distinctive Ring (EDR) Setting Up EDR EDR Application Example Chapter 9 - Fax Operation Fax Basics Modem as Fax Machine ITU-T T.30 Fax Protocol Fax Command sets Defining the Fax Command Sets Class 1 Command Set Class 2 Command Set Page Page Page Class 2.0 Command Set Page Page Page Page Extended Fax AT Command Set Page Page Flow Control Fax Reception from a BBS Page Chapter 10 - Voice Mode Operation Voice Data Compression Automatic Detection of Voice, Data, Fax Voice Input/Output Devices Microphone and Speaker Jacks Voice Input/Output Device Selection Voice Mode Application Examples Recording a greeting message Playing a voice file through the internal speaker 10-4 Plaing a voice file through the phone line Omni 288S as a Voice answering machine Omni 288S as a Fax answering machine 10-5 Omni 288S as a Data answering machine Voice States and Operation Modes Voice Command State Voice Data States Voice Data Transmission State Voice Data Reception State Events and Actions with Shielded Code Event Detection and Reporting 10-9 Action Commands in Voice Data State 10-10 Voice AT Commands The following is a summary of voice AT commands supported by the Omni 288: AT Command Syntax Response Syntax Flow Control Supported Commands in Voice Mode Operation Page Voice Mode Action Commands Page Voice Mode Configuration Commands Page Page Page 11-1 Chapter 11 - AT Command Set Summaries Basic AT Command Set 11-2 11-3 Description of ATI2 Output: The Link Status Report output appears as follows: Data Type Description Output Parameter Output Value Description 11-4 Extended AT& Command Set 11-5 11-6 11-7 Extended AT* Command Set Page 12-1 Chapter 12 - Status Registers & Result Codes S-Register Descriptions Basic S-Registers "ATSn=x" Extended S-Registers "ATSn=x" 12-2 12-3 12-4 12-5 12-6 12-7 12-8 12-9 12-10 Result Code Options "ATXn" Result Code Option Table 12-11 Result Code Chart Symbol Reference: Result Code Field Descriptions Connect Strings for Error Corrected Connections Chapter 13 - Diagnostics & Troubleshooting Diagnostics Power-On Self Test Resetting The Modem Loopback Tests Indicator Lights Trouble Shooting AT Command Set Problems Command Echo Problems Answer Problems Dialing Problems Data Transfer Problems Connect Problems Appendix A - Upgrading Your Modem Upgrading by Flash EPROM Kernel Recovery Mode Appendix B - Contacting ZyXEL ZyXEL Phone Numbers Voice Telephone Numbers Fax Numbers ZyXEL BBS Number Online Access Internet CompuServe Appendix C - Connector Pinouts C-1 Appendix C - Connector Pinouts Phone Jack Pinouts The signals A and A1 are used with the KTS (Key Telephone Systems). PC Serial Port Pinouts Macintosh Serial Port Pinouts D-1 D-2 D-3 D-4 D-5 D-6 D-7