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COMSPHERE 392xPlus Modems
3-4 October 1998 3920-A2-GH30-40
Table 3-1
(1 of 2)
392xPlus DCP LEDs
Label
Color Indicates
Pwr green Power has been applied to the modem.
Alrm red Flashing – A major alarm has been detected in a remote 392xPlus modem.
ON – A major alarm has been detected in the local modem. (For Health and Status
alarm conditions, refer to Table 4-1 in Chapter 4, Status Branch.)
Diag
(3920Plus
only)
green The modem is receiving diagnostic communications (either a command or a status poll).
Test/142 yellow Flashing – The modem is involved in a firmware upgrade. Normal operation is not
possible.
ON – The modem is involved in a test. Normal operation is not possible.
OFF – The modem is not involved in a test or firmware upgrade.
Dial yellow Flashing – The modem is attempting to establish a call over the dial network, or the
modem is in Dial Standby mode.
ON – The modem has established a dial connection.
OFF – A dial connection does not exist.
RI/125
(3921Plus
only)
green A ringing signal is being received.
Busy
(3921Plus
only)
yellow The modem is placed in a forced busy condition and is off-hook.
Serv
(3921Plus
only)
yellow The modem’s dial line is connected to the carrier service line rather than the normally
assigned dial network.
SQ yellow The receive telephone line signal is degraded or the modem’s data path has been
blocked (SQ flashes).
Rate
(3920Plus
only)
yellow ON – The modem is connected at a data rate lower than the data rate it is configured for.
OFF – The modem is connected at its configured data rate.
Front Panel
(3921Plus
only)
yellow The modem is connected to the carrier’s SDCP.
- COMSPHERE 1
- MODELS 3920P 1
- AND 3921PLUS 1
- 392xPlus Modems 2
- Models 3920Plus and 3921Plus 2
- Important Safety Instructions 3
- Table of Contents 5
- Appendices 7
- List of Figures 8
- List of Tables 9
- COMSPHERE 392xPlus Modems 10
- How to Use This Manual 11
- Related Documents 12
- Introduction 13
- COMSPHERE 392xPlus Models 14
- Chapter Title 15
- 3921Plus 16
- DTE B DTE A 17
- 392xPlus Operational Modes 18
- 392xPlus Modem Features 19
- Applications 20
- V.34 Modulation 21
- Multiport Backup 22
- Synchronous Data Compression 22
- United States 22
- Technical Specifications 25
- Table 1-2 26
- Specifications Description 26
- Modem Installation 27
- Customer-Supplied Equipment 28
- Dial Network Connection 33
- Leased Backup Connection 33
- Dial Backup Connection 33
- 495-14425-02 38
- RELEASE TAB 38
- 392xPlus Modem Power-Up 39
- DCP Operation 41
- Status Indicators 42
- Table 3-1 44
- 392xPlus DCP LEDs 44
- Color Indicates 44
- LCD Display 46
- Hidden Choice Indicators 46
- Other Indicators 47
- Menu Structure 48
- Table 3-3 51
- Top-Level Menu Status 51
- Status IndicatesMessage 51
- Quick Configuration Display 54
- Status Branch 59
- Leased:33.6 60
- Status Configure 60
- Table 4-1 62
- Health and Status Messages 62
- Type IndicatesMessage 62
- Displaying VF Conditions 64
- Clearing VF Counters 65
- Identity 66
- Service Log 75
- Configuration Tables 84
- Multiport Mode l 84
- Multiport Mode 85
- Table 5-1 87
- (2 of 9) 87
- (3 of 9) 88
- (4 of 9) 89
- (5 of 9) 90
- (6 of 9) 91
- (7 of 9) 92
- (8 of 9) 93
- (9 of 9) 94
- Table 5-2 96
- Dial Line — Multiport Mode l 98
- Table 5-3 100
- (3 of 3) 100
- Configure Branch 101
- Table 5-4 102
- (2 of 5) 102
- (3 of 5) 103
- (4 of 5) 104
- (5 of 5) 105
- Test — Multiport l 106
- Misc — Multiport l 107
- Table 5-6 108
- (2 of 4) 108
- (3 of 4) 109
- (4 of 4) 110
- Singleport Mode A 111
- 98-14624-07 112
- Table 5-7 114
- (2 of 8) 114
- (3 of 8) 115
- (4 of 8) 116
- (5 of 8) 117
- (6 of 8) 118
- (7 of 8) 119
- (8 of 8) 120
- Table 5-8 122
- Table 5-9 126
- Dial Line — Singleport Mode A 129
- Table 5-10 130
- Table 5-11 134
- (2 of 7) 134
- (3 of 7) 135
- (4 of 7) 136
- (5 of 7) 137
- (6 of 7) 138
- (7 of 7) 139
- Table 5-12 141
- Test — Singleport Mode A 147
- Table 5-13 148
- (2 of 2) 148
- Misc — Singleport Mode A 149
- Table 5-14 150
- Security — Singleport Mode A 154
- Poll List Branch 155
- Control Branch 161
- Data Stream 163
- Selecting All Ports 164
- EIA LEDs 165
- Make Busy/Remove Make Busy 166
- Download Software 168
- Selecting Clone Remote 169
- Automatic Firmware Download 176
- VF Thresholds Update 177
- Table 7-1 180
- VF Thresholds 180
- Valid Ranges Default Values 180
- Test Branch 181
- Loc Analog Loop 184
- Rem Digital Loop 185
- Loc Digital Loop 187
- Sub-Network Health 191
- Call Setup Branch 193
- Call_Setup 194
- Disconnect 196
- Dial Standby/Return to Dial 197
- Change Directory 199
- Table 10-1 201
- Valid Dial Command Modifiers 201
- Talk/Data Branch 203
- Dial Access Security 207
- Originate Access Security 208
- Answer Access Security 208
- VF-Side Passwords 209
- DTE-Side Passwords 210
- Security Branch 211
- Set Access Ctrl 212
- Admin Password? 212
- EditPasswdTable 213
- Select Index 213
- Table 12-1 215
- Set Answer Sec 216
- Set Orig Sec 217
- Set Admin PsWd 218
- Reset Security 219
- Table 12-4 221
- (2 of 3) 221
- Originate Access Password 223
- Database Table Examples 224
- Remote Branch 229
- Overview 233
- Command and Data Modes 233
- Command Guidelines 234
- Result Codes 235
- AT Command List 237
- S-Register List 248
- Menu Tree 265
- Gain Hts 266
- 98-15921b 267
- Troubleshooting 269
- Table B-4 271
- Modem — DTE Connection 271
- Symptom Action 271
- Table B-5 272
- (1 of 2) 272
- Modem — VF Connection 272
- Table B-8 274
- MUX Operation 274
- Pin Assignments 275
- EIA-232-D Pin Assignments 276
- VF Connector Pin Assignments 277
- Auxiliary Cables Not Supplied 278
- ITU-T V.25bis Dialing Command 281
- Call Request Commands 282
- Call Response 282
- Call Answer Commands 283
- Program Normal (PRN) 284
- Command Response 286
- ASCII Character Table 289
- Default Configuration Options 293
- Table F-1 294
- (1 of 10) 294
- (2 of 10) 295
- (3 of 10) 296
- (4 of 10) 297
- (5 of 10) 298
- (6 of 10) 299
- (7 of 10) 300
- (8 of 10) 301
- (9 of 10) 302
- (10 of 10) 303
- Sample Configurations 305
- Point-to-Point 306
- Sample Port Rate Table 307
- Extended Point-to-Point 308
- Extended Multipoint 310
- Configuration Options 311
- 28800(V34) 312
- Extended Diagnostics 318
- Digital Bridging 320
- Point-to-Point MSD 322
- Multipoint MSD 324
- DTE1, 2, 3, or 4 325
- Synchronous Data Format 328
- SDC Algorithm 328
- DTE and DCE Frames 329
- SDC User Interface 329
- Data Synchronization 330
- Flow Control Method 331
- Tuning SDC Efficiency 332
- SDC Negotiation 333
- Equipment List 335
- Glossary 337
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