Courier
 Courier High Speed Modems HOW to USE this Manual
 Courier High Speed Modems
Page
 Part I. Installation and Operation
Courier High Speed Modems Table of Contents
⎯Features and Compatibility
⎯Internal Modem Setup
 ⎯Queries and Help Screens
⎯Data Mode Command Summary
⎯Fax Operations and Call Detection
 Appendix B⎯Summaries and Tables
Appendix A⎯Link Negotiation Handshaking and Error Control
Part II. Reference
 Appendix D⎯Dial Security/Remote Access
Appendix C⎯Alphabetical Command Summary
Appendix H⎯Modem Testing
Appendix G⎯Additional Operations
 Courier High Speed Modems Limited Warranty
 Ringer Equivalence 0.4B
 For Canadian Modem Users
 Xii Regulatory Information
 Features and Compatibility
 Universal Connect
 Flow Control/Variable Serial Port Rates
 Programmable Nonvolatile Memory
 Modem Settings Displays
 HST
 MNP
 Courier V.34 Modem
Modem SET UP
 Front Panel Indicators on the Modem
 YOU should
 DIP Switch Factory Settings
 Cabled Courier Modem
 AT Enter
 ATZ Enter
ATE1 Enter
ATE0 Enter
 ATD Enter
 Internal Modem SET UP
 Before Installing the Modem
 Select a Serial Port
 Address Hex
Serial Serial Port
 ⎯Jumper Switch/Serial Port Settings
 ⎯Removing the Computer Cover
 ⎯Inserting the Modem
 Testing the Installation
 AT Enter
 ATZ Enter
 Data Mode Operations
 AT &K3 X2 DT 071 312 1234 Enter
 Basic Commands
 Dialing
Courier High Speed Modems DIALING/ANSWERING
Dial Options
ATDT5551234 Enter
 AT DT 9 W 5551234 Enter
 AT D1234567R Enter
Cancel Dialing
 AT &Z2=555-6789 Enter
Store Phone Numbers
AT&M0 DS2 Enter
Redialing
 AT S0 = 1 Enter
Answer Mode
 Hanging Up
AT S0 = 0 Enter
 OFF
DIP Switch 9 Response to +++
 AT Q1 O Enter
SETTING/USING Defaults
 Customizing Nvram
AT I5 Enter
AT &F2 &W Enter
AT M2 S10=40 &A2 &W Enter
 Echo/Speaker
Resetting the Modem
Configuration
 Result Codes
 ⎯Result Code Options
Operations, see Appendix F
 Result Code Meaning
⎯Result Code Definitions
 Information, select &A1 or &A0
Additional Result Code Subsets
 Connect 2400/NONE
 Modulation
Error Control/Data Compression
 Courier High Speed Modems
 Data Rates
 Courier High Speed Modems
 Options are as follows
RS-232 Signal Operations
 Flow Control
 XON
 Transmit Data Flow Control
 Software Control &In
 For users whose data does not include XON/XOFF
 Registers
Guidelines
 International Calls
Testing
Courier High Speed Modems Inquiry and Help
 ATI3=HHMMSS K1
Miscellaneous Commands
 ATS32=9 Enter
AT&ZC=I6 Enter
 FAX Operations and Call Detection
 AT+FCLASS? Enter
 FCC Notice
 Call Detection
 ATI6
Queries and Help Screens
 ⎯Sample Result of ATI4 Command
 ⎯Sample Link Diagnostics Screen ATI6
 Courier High Speed Modems
 Courier High Speed Modems
 Courier High Speed Modems
 AT&Z3? Enter
ATS0? Enter
 AT&ZC? Enter
ATDL? Enter
Ctrl-S
Ctrl-C Ctrl-K
 ⎯Sample Basic Commands Help Screen
 ⎯Sample Dial Command Help Screen
 ⎯Sample Percent Help Screen
 Appendix A. Link Negotiation Handshaking and Error Control
 Fast Class V.FC Handshaking
 Other V. Protocol Operations
 Error Control and Throughput
 Handshaking
 Bits Entries
 Throughput Guidelines
 Typical Throughput
 File Type Typical throughput cps
 28.8K bps
 Appendix B. Summaries and Tables
 Courier High Speed Modems RS-232 Interface
 DB-25 DB-9 Circuit Function Computer ⎯ Modem
Table B.1⎯RS-232 Interface Pin Definitions
 DB-25 DB-9 Pin Function
 Symbol Meaning Status
Front Panel Indicators
 ARQ
 Factory Switch Setting Function
Courier High Speed Modems DIP Switch Summary
 Result Code Display
 AT X1 &B0 &M5 &H0 M3 &W Enter
Courier High Speed Modems Default Settings
 Connect rate
 Summaries and Tables B-11
 HST Cellular
 Summaries and Tables B-13
 Courier High Speed Modems
 ATS19? Enter
Courier High Speed Modems Register Summary
ATS13=8 Enter
 Register Default Function
 Sets the duration, in seconds, for the pause
 Bit Value Result
 Summaries and Tables B-19
 Analog Loopback
 Bit ValueResult
 Lapm
Bit 4 Bit 5 Result
 Setting S28 to zero eliminates the extra
 Disable V.32 bis. Used for
 Sets the number of allowable remote
 S51 Bit-mapped register. See instructions For S13
 Dial security enabled
 Register Default Function
 Appendix C. Alphabetical Command Summary
 Basic Command SET
 DIP Switch 9 Response to +++
 Handshake options for international calls above 1200 bps
 Wait for an answer with X3 or higher. The @ command
 Inquiry
 Sr.b=n
 All codes except 12/VOICE. For result codes in synchronous
 Ampersand & Command SET
 Courier High Speed Modems
 Alphabetical Command Summary C-11
 Them to the remote computer. This is the recommended
 Alphabetical Command Summary C-13
 Options are as follows
 Time as it sends the Carrier Detect CD
 DTE is the source of the Transmit clock timing
 Alphabetical Command Summary C-17
 Percent Command SET
 Alphabetical Command Summary C-19
 Enables the modem, when off hook, to detect the tone
 Appendix D. Dial Security Remote Access Operations
 Overview
 What the Host Modem Operator Needs to do
 AT%A1=Judy,Y,,, Enter
AT%A0=BILL,Y,Y,N,1-419-555-5555 Enter
 AT%L=PW0 Enter
AT%A0=,,,Y, Enter
 AT &Z5 = 555-8976 Enter
AT S53.0=1 .2=1 &W Enter
AT S53.0=1 .1=1 .2=1 &W Enter
 ATI10 Enter
AT%S=your local access password Enter
 What the Remote Caller Needs to do
 AT I10 Enter
AT %V=PWn Enter
ATS53.0=1 &W Enter
AT S0=1 Enter
 Courier High Speed Modems Remote Access Operations
 AT%P1=password Enter
AT%P0=password Enter
AT%P0= Enter AT%P1= Enter
AT S41=1 Enter
 Password Ctrl-C to cancel?
 Access Granted Remote
 Remote Remote+
 Restore configuration. Use this command to
 Configuring Dial Security Remotely
 AT %C2 Enter
 Before Establishing the Link
Appendix E. Troubleshooting
Running the SDL.EXE Upgrade Program
 Displays double characters
 Troubleshooting E-3
 During Data Transfer
 If YOU Still have Problems
 Courier High Speed Modems
 Synchronous Applications
 What You Need to Know
 Data Rate Synchronization &Xn
 AT &N0 %N6 X0 S0=1 &M7 &W Enter
 Terbo − to −terbo only
 Recommended Settings
 PRN3
CRN18001234
CRS3
 Dial Options
 Online Synchronous Requirements
 AT B0 &N0 &X0 Enter
 Modulation/Connection Rate Bn, &Nn
 AT &ZC = &F &X1 &M1 DT5551234 Enter
 AT &F S0=1 &X1 &M1 Enter
ATS32 = 9 Enter
 Enabling Remote Access
 User-Installed or Leased Telephone Line
 AT &B1 &S2 &H1 &L1 &W Enter
 Dedicated and Leased Line Operations F-17
 Appendix G. Additional Operations
 AT &F3 Enter
Courier High Speed Modems Cellular Operations
AT &F3 &W Enter
AT B1 X7 S10 = 30 &B1 &L2 &H1 &I0 &R2
 Additional Operations G-3
 Courier High Speed Modems VOICE/DATA External Modems only
 Voice/Data Switch⎯S32=1, S32=2
 ATA Enter
 Table G.1⎯S32 Functions
Voice/Data Switch Function Related Command
 Host mode
Courier High Speed Modems Hewlett Packard Installations
Terminal mode
AT&I3 Enter
 Setting the MI/MIC Jumpers
 Figure G-1⎯Courier Modem Board
 Troubleshooting
 Courier High Speed Modems
 Appendix H. Modem Testing
 AT &M0 &T1 Enter
Figure H-1⎯Data Flow During Analog Loopback
 Modem Testing H-3
 Figure H-2⎯Data Flow During Digital Loopback
AT &M0 &T8 Enter
 T4, &T5
 Figure H-3⎯Data Flow During Remote Digital Loopback
 Modem Testing H-7
 Bit Value Function
 Analog Loopback AL⎯S16=1D
 ATS16=4&T1 ATS16=4&T6
AT&M0S16=5D
AT&M0S16=12
 ATS16=0
ATS16=8 O
 Courier High Speed Modems
 Atdt 708 982 5092 Enter
Appendix I. Software Upgrades
 Upgrade your Modem
 Troubleshooting
 Appendix J. Glossary
 Ascii
 Bits binary digits per second rate
 Ccitt
 DCE
 EIA
 Read Only Memory that can be erased and reprogrammed
 Hdlc
 MI/MIC
 Nonvolatile Memory Nvram
 RAM
 Sdlc
 Throughput
 25 bis
 XON/XOFF
 Appendix K. Technical Specifications
 Additional Compatibility Features
 115.2K, 57.6K, 38.4K, 19.2K, 9600, 4800, 2400, 1200, 300 bps
 High Speed above 2400 bps
 FAX Data No Dial Tone Busy No Answer Ringing Voice
 FAX Service Class 2.0 Commands
 2200-2300 Hz
 Courier High Speed Modems
 Receiver Carrier Frequencies
 Courier High Speed Modems
 DBm + 2 dBm
 Index
Command List
 ASL, see Adaptive Speed Leveling
 Call progress messages
 DTE, see Serial Port
 See Stored Command String Inquiry I options, Installation
 NVRAM, see Nonvolatile random access memory
 ROM, see Read only memory Rootless tree
 Time, see Guard time, Inactivity timeout, and K
 Tone
 Courier High Speed Modems