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Manuals and User Guides for 3Com OfficeConnect 56K Business Modem. We have
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3Com OfficeConnect 56K Business Modem manual available for free PDF download: Command Reference Manual
3Com OfficeConnect 56K Business Command Reference Manual (210 pages)
3Com OfficeConnect Business Modem user guide 56K
Brand:
3Com
| Category:
Modem
| Size: 6 MB
Table of Contents
Command Reference
1
Table of Contents
3
About this Guide
11
Introduction
11
Finding Specific Information in this Guide
11
Conventions
12
Related Documentation
13
Year 2000 Compliance
13
1 Connecting to Your Isp
15
Windows 95/98
15
What You Need
15
Configuring Your Modem with Plug and Play
15
Files Needed by Your Modem
16
Installing the Latest Software
16
Accessing Your Internet Service Provider
16
Windows NT 4.0 and Later
22
What You Need
23
Configuring Your Modem
23
Setting up RAS
23
Determining if TCP/IP Is Installed
24
Installing TCP/IP
24
Configuring a PPP Connection
24
Configuring a SLIP Connection
25
Troubleshooting RAS
26
Macintosh
26
Handshaking Cable
26
System Configuration
27
Accessing the Internet
27
Macintosh (230K) High Speed Script Installation
27
Installing the Script
27
Configuring Open Transport PPP
28
Selecting the Correct TCP/IP Settings
29
Setting up Your ISP Information
30
Other Operating Systems
31
If You Are Using Windows 3.X
31
If You Are Using MS-DOS
31
If You Are Using UNIX, Linux, or AIX
31
2 Using the at Command Set
33
Overview
33
General Rules for Using at Commands
33
Basic at Commands
34
Using S-Registers
34
Displaying S-Register Settings
35
Setting an S-Register
35
Getting a List of S-Registers
36
Understanding Bit-Mapped S-Registers
36
3 Modes of Operation
37
Command and Online Modes
37
Entering Online Command Mode
38
Returning to Online Mode
38
Controlling Local Echo
39
Command-Mode Local Echo
39
Online-Mode Local Echo
39
Data and Fax Modes
40
4 Dialing , Answering , and Hanging
43
Dial Options
43
Carrier Loss Redial
45
Answering Calls
46
Force Answer Mode
46
Auto Answer
46
Handshaking Options
47
Hanging up
47
Making International Calls
47
Guard Tone
48
Call Detection
48
Caller ID Functions
49
Service Types
49
Applications of Caller ID Technology
49
How the Business Modem Handles Caller ID
50
Presentation Formats
51
Commands
51
References
52
Distinctive Ring Support
52
Commands
53
Result Codes
54
5 Working with Memory
55
Overview
55
Working with RAM and NVRAM
56
Saving a Phone Number to NVRAM
56
Displaying S-Register Value Information
57
Saving a Command String to NVRAM
57
Working with Flash Memory
57
Saving ROM Templates to NVRAM
58
Default Settings
58
6 Controlling Result Code Displays
59
Result Code Display Commands
59
Additional Result Code Subsets
60
7 Controlling Eia-232 Signaling
61
Data Terminal Ready
61
Data Set Ready
62
Carrier Detect
63
8 Controlling Data Rates
65
Overview
65
Serial Port Rates
65
Connection Rates
67
Controlling Link Speeds with &N and &U
68
Controlling Link Speeds
68
Limiting the Highest Possible Connect Speed
68
Limiting the Lowest Possible Connect Speed
69
Limiting a Range of Possible Connect Speeds
69
N and &U Command Values
70
Setting DTE Rate to 230 Kbps
71
Modem
73
9 Ccessing and
73
Remotely
73
Overview
73
Setting up Remote Access
73
At the Host Business Modem
73
Other Remote-Access Commands
75
Accessing the Host
75
At the Guest Device
75
Viewing and Changing the Host's Configuration
76
Remote Configuration Commands
77
Quitting a Remote-Access Session
79
10 Dial Security
81
Overview
81
Setting up Dial Security
82
Dialback Options
83
Modifying Accounts
84
Autopass Prompting
85
Password Prompting
85
Maintaining Security Accounts
87
Remote Configuration
87
What the Guest User Needs to Do
88
Configuring Dial Security Remotely
89
11 Flow Control
91
Overview
91
Hardware and Software Flow Control
92
Hardware Flow Control
92
Software Flow Control
92
Received Data Flow Control
93
Transmit-Data Flow Control
95
12 Handshaking , Error Control , Data Compression , and Throughput
97
Handshaking
97
Selective Reject
97
V.34
99
V.90 Capabilities
99
Other Protocols
99
Fast Class (V.FC) Handshaking
99
Hst
100
USR V.32Terbo to USR V.32Terbo
100
Lower-Speed V. Protocols
101
Error Control
101
Error-Control Commands
101
V.42 Error Control
103
MNP Error Control
103
Error Control and Flow Control
103
Data Compression
104
V.42Bis Versus MNP5 Data Compression
104
Getting Maximum Throughput
105
Maximum Throughput Results When
105
13 Displaying Querying and Help Screens
109
Overview
109
Querying
109
Displaying Help
111
14 Testing the Connection
113
Overview
113
Testing the Business Modem Using At&Tn
114
Analog Loopback Testing
115
Stopping a Test (AT&T0, ATS18)
115
Digital Loopback Testing (AT&T3)
117
Remote Digital Loopback Testing (AT&T6, AT&T7)
118
Granting a Digital Loopback Test Request (AT&T4)
118
Canceling All Digital Loopback Test Requests (&T5)
118
Testing Using Keyboard Data (AT&T6)
119
Testing Using a Built-In Test Pattern (AT&T7)
120
Testing the Business Modem Using S-Resister 16
121
Analog Loopback (AL) S16=1D
121
Testing Using Keyboard Data (ATS16=8)
122
Testing Using a Built-In Test Pattern (ATS16=4)
123
Ending Testing that Uses the Test Pattern
123
15 Troubleshooting
125
Problems that Occur before Connecting
125
No Response to at
125
The Business Modem Won't Dial
126
Double Characters Are Appearing on Your Monitor
127
Hear Ringing but the Business Modem Won't Answer
127
The Business Modem Acts as Though a Data Link Has Been Established, but no Call was Received
127
The Business Modem Behaves as if <Enter> Were Pressed When You Don't Press any Keys
127
Problems that Occur after Connecting
128
Your Screen Displays Random or "Garbage" Characters
128
Many CRC Errors
128
Mainframe Computer Keeps Dropping Your Connection
129
Bad Faxes or Can't Fax
129
Both Devices Exchange Carrier Signals, but Fail to Establish a Communications Link
129
Errors During Software Download
130
If You Still Have Problems
130
16 Upgrading
133
Checking Your Business Modem's Software Version
133
Overview
133
Upgrading Your Modem
133
Getting New Operating Software
134
Sending New Software to Your Modem
134
If Your Modem Doesn't Respond
136
How Bits Are Mapped to Decimal Values
137
Understanding Bit-Mapped S-Registers
137
Converting Bits to Decimal Values
138
Converting Decimal Values to Bits
138
Setting Bit-Mapped S-Registers
138
Default S-Register Settings
139
Using Bits
139
Using Decimal Values
139
A Complete List of S-Registers
141
Alphabetic Command Summary
149
Basic Command Set
149
Optional Parameters
150
Ampersand (&) Command Set
153
Percent (%) Command Set
159
Octothorpe (#) Command Set
161
Template
163
Hardware Flow Control
163
Software Flow Control
165
No Flow Control
166
Eanings and
169
Result Code Meanings
169
Result Codes Sets for Xn Values
170
Information
171
Technical Specifications
171
Modulation
171
Error Control, Data Compression, Testing, and Dialing
172
Fax
172
Additional Specifications
173
Serial Ports
173
Minimum Requirements
174
The EIA-232 Interface
174
Wiring a DB-25 to DB-9 Cable
174
Flow Control Requirements
175
For Macintosh Computers
175
100 C Flowcontroltemplate
163
Serial Ports (Macintosh Modem
176
Ascii Chart
177
FAX Service Class 2.0 Commands
179
Fax Service Class 1 Commands
179
Nformation for
179
Fax Mode Flow Control Setting
180
FCC Notice
180
Notes
180
Viewing Leds
181
S-REGISTERS S-Registers
183
J Warranty
191
3Com Corporation Limited Warranty
191
Notices
194
FCC Certification Statement
194
FCC Registration
194
FCC Notice
194
FCC Notice: Radio and Television Interference
195
IC (Industry Canada
196
UL Listed Accessory
196
Glossary
197
Data Communications
200
High Speed
203
Online Fallback
204
Read-Only Memory (ROM)
206
Remote Digital Loopback
206
Word Length
209
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