Codex 3261 Manuals

Manuals and User Guides for Codex 3261. We have 1 Codex 3261 manual available for free PDF download: Reference Manual

Codex 3261 Reference Manual

Codex 3261 Reference Manual (242 pages)

326X Series

Brand: Codex | Category: Modem | Size: 1 MB

Table of Contents

Table of Contents
1
Chapter 1 . at Commands

12
- AT, AT& and at
  12
  - Command Descriptions
    12
  - Selecting Options and Settings
    15
- ATD (Dialing an Unstored Telephone Number)
  17
- Atds, at
  17
- ATE (Asynchronous Echo)
  18
- ATH (Busy out Test)
  18
- ATL (Speaker Volume)
  18
- ATM (Speaker Control)
  19
- ATO1 (Retrain)
  19
- ATP, ATT, at PT (Dial Type)
  20
- ATQ (Result Codes)
  20
- ATS (S-Register)
  21
- ATT (Dial Type)
  21
- ATV (Result Code Format)
  21
- ATX (Call Progress)
  22
- ATY (Longspace Disconnect)
  25
- ATZ (Selecting an Option Set)
  25
- AT& Commands
  26
- AT&C (DCD Control)
  26
- AT&D (DTR Control)
  27
- AT&F (Reinitialize Memory)
  29
- AT&G (Guard Tone)
  29
- AT&I (Display Modem ID)
  30
- AT&J (Dial Line Jack Types)
  31
- AT&L (Line Type)
  32
- AT&M (at Data Format)
  33
- AT&P (Pulse Cycle)
  34
- AT&R, at * CT (CTS Control)
  35
- AT&S, at * MR (DSR Control)
  36
- AT&T (Test)
  37
- AT&T4, AT&T5 (Accept RDL)
  38
- AT&V, at * ST (Modem Status Display)
  38
- EIA/TIA 232-D (CCITT V.24) Signal Status
  44
  - Status Summary Line
    45
  - Display Modem ID
    48
  - CQMS Parameter Status
    48
- AT&W (Save Changes: Creating New Option Sets)
  52
- AT&X (Clock)
  54
- AT&Y (Power up in Option Set)
  54
  - AT&Z, at CN (Enter Telephone Numbers)
    55
  - CN (Enter Telephone Numbers)
    55
  - AT AA (Answer)
    56
  - AT Commands
    56
  - AT AP (Adaptive Rate)
    57
  - AT as (Answer in Restoral)
    58
  - AT AY (Auto Type)
    59
  - AT BD (Blind Dial)
    59
  - AT BK (Break Handling)
    60
  - AT CA (Answer/Originate Mode)
    60
  - AT CD (DCD Loss Disconnect)
    61
  - AT CM (Connect Message)
    61
  - AT CN, AT&Z (Entering Telephone Numbers)
    61
  - At Ct, At&R (C, Ts)
    61
  - AT * da (Default Dialing)
    62
  - AT DB (Buffer Delay)
    63
  - AT DC (Data Compression)
    64
  - AT DD (Dial Wait)
    64
  - AT de (DTE Rate)
    65
  - AT * DF (Data Format)
    66
  - AT * DI (Leased to Dial Option)
    66
  - AT DL (RTS/CTS Delay)
    67
  - AT DP (Pause Delay)
    67
  - AT * DR (Auto Redial)
    68
  - AT * DS, ATDS (Dial a Stored Telephone Number)
    68
  - AT * DT (DTR Delay)
    68
  - AT EC (Error Correction)
    69
  - AT FC (Fast Call)
    70
  - AT FL (Flow Control)
    71
  - AT * HD (Hold Dial Line)
    73
  - AT la (DTE Circuit 141)
    75
  - AT LC (Line Compensation)
    75
  - AT * LE (Dial to Leased Option, Automatic Disconnect)
    76
  - AT LL (Local Analog Loopback Test Busy Out)
    77
  - AT LN (Link Telephone Numbers)
    77
  - AT LS (Low Speed)
    78
  - AT LT (DTE Pin 25)
    79
  - AT MD (PSTN Signaling)
    79
  - AT MF (Modem Flow Control)
    81
  - AT MM (Modulation Mode)
    81
  - AT * MN (Minimum Rate)
    83
  - AT * MR, AT&S (DSR Control)
    83
  - AT * MS (at Messages)
    83
  - AT * MX (Maximum Rate)
    84
  - AT * NB (Buffer Option)
    84
  - AT NC (Network Compensation)
    85
  - AT ND (View Stored Telephone Numbers)
    85
  - AT OC (External Control)
    86
  - AT OP (External Option Set Select)
    86
  - AT * os (Overspeed)
    87
  - AT * PE (Enable/Disable Password Protection)
    87
  - AT * PF (Set Protection)
    87
  - AT PN (Unlock Password Protection)
    88
  - AT PT (Dial Type)
    88
  - AT PW (Change Password)
    89
  - AT RA (Remote Access)
    89
  - AT RC (Initiate, Terminate, or Abort Remote Conﬁguration Session)
    90
  - Initiating a Remote Conﬁguration Session with a Dial Modem
    90
  - Initiating a Remote Conﬁguration Session with a Leased Line Modem
    92
  - Aborting a Remote Conﬁguration Session
    93
  - Terminating a Remote Conﬁguration Session
    93
  - AT RE (Initiate/Terminate Restoral)
    94
  - AT RP (Parity)
    97
  - AT RS (RTS Control)
    98
  - AT RT (Auto Retrain)
    99
  - AT SC (Speed Conversion)
    100
  - AT si (DTE Inactivity)
    100
  - AT SL (Error Correction ID)
    101
  - AT SM (Data Transfer Mode)
    101
  - AT SR (RTS/DCD Remote Signaling)
    103
  - AT ST, AT&V (Modem Status Display)
    104
  - AT TD (Throughput Delay Minimization)
    104
  - AT * TL (Tone Length)
    105
  - AT * TT (Call Timeout)
    105
  - AT XC (Error Correction Reliable Messages)
    106
  - AT ZC (Callback Feature)
    107
  - AT ZD (Dial Restricted)
    108
  - AT ZI (Enter Access Security Group Password)
    108
  - AT ZP (Select Tones with Access Security)
    109
  - AT ZR (Remote Number Required)
    109
  - AT ZS (Simulated Ringback)
    110
  - AT ZV (Password Veriﬁcation)
    110
Chapter 2 . Front Panel Operation

113
- Introduction
  113
- Status/Option Sets/Dialing Menu
  114
- Test Options
  116
- Modulation Options
  117
- Restoral Options
  119
- Restoral Indications
  120
- Conﬁguring for Dial Restoral
  121
- Interpreting the DTR Option Setting
  124
- Error Correction and Data Compression Options
  125
- ACU Options
  126
- ACU Selection
  127
- Noacu Data Format
  128
- V.25 bis Data Format
  128
- Character Length
  129
- Sync Idle
  129
- V.25 bis Character Selection
  129
- LPDA2 Address
  130
- V.25 bis Responses
  130
- LPDA2 Determination
  131
- LPDA2 Identiﬁcation Number
  131
- Terminal Options
  131
- Telco Options
  134
- Dial Line Transmit Level
  135
- Leased Line Transmit Level
  135
- Dialing Options
  136
- Front Panel Security Options
  137
- Unlocking the Modem
  138
- Access Security Options
  139
- Group PW Enable/Disable
  140
- If the Answer Modem Is Not Using the Callback Feature
  141
- If the Calling Modem Is Providing the Callback Number
  142
- Manual Dialing and Callback DTMF Equivalencies
  144
- Using the Callback Feature with an Originate-Only Modem
  144
- Network Control Options
  145
- Network Control Address
  146
- Override Mode
  146
- Network Control Port Rate
  147
- Pass Thru
  147
- Remote Conﬁguration Options
  148
- Setting a Remote Modem's Leased Line Address
  151
- Searching for a Remote Modem's Leased Line Address
  152
- Setting or Searching for a Remote Modem's Leased Line Address
  154
- Performing Numeric Entry
  156
- Introduction
  160
- V.25 bis ACU
  160
- Call Establishment Methods
  163
- Modem Conﬁguration
  163
- Addressed Mode
  164
- V.25 bis Commands
  164
- V.25 bis Responses
  167
- Call Failure Responses
  168
- Call Progress Responses
  169
- Result Code Responses
  169
- Programming Guide for the V.25 bis Auto-Call Unit (ACU)
  170
- Reliable Connection Response
  170
- Asynchronous Frame Format
  171
- Synchronous Bit-Oriented Frame Format
  172
- Synchronous Character-Oriented Frame Format
  173
- Idle Condition
  174
- V.25 bis Control Signaling in Addressed Mode
  174
- Connecting State
  175
- Dialog State
  175
- Data State
  176
- Disconnecting
  176
- Direct Answering
  177
- Direct Dialing
  177
- Direct Mode
  177
- Manual Answering and Dialing
  177
- Manual Answering
  178
- Manual Dialing
  178
- How to Conﬁgure for LPDA2 ACU
  179
- LPDA2 ACU Control Commands
  179
- LPDA2 Command Set
  179
- Information Field Format and Command
  180
- LPDA2 Message Format
  180
- Command Code (C)
  181
- Data Field (D)
  181
- Header (H)
  181
- Identiﬁer (I)
  181
- Modem Address (A)
  181
- Header (H) Response Field
  182
- Identiﬁer Field (I)
  182
- Information Field Format and Response
  182
- Command Code (C)
  183
- Data Field (D)
  183
- Modem Address (A)
  183
- Sense Byte (SB)
  183
- Framing Rules
  184
- LPDA2 Dial Command
  184
- Dial Command Sense Bytes
  187
Chapter 3. Automatic Calling Interfaces (Continued)

188
- Dial Response Data Field
  188
- Disconnect Command Sense Byte
  188
- LPDA2 Disconnect Command
  188
- Disconnect Response Data Field
  189
- To Initiate a Call
  190
- To Terminate a Call
  190
- Using an External Auto-Call Unit (Bell 801C or Codex 2207)
  190
Chapter 4 . Testing Your Modem

193
- Introduction
  193
- Quick Checks
  193
- Automatic Self-Test
  193
- Starting the Automatic Self-Test
  194
- Handling Error Messages
  194
- System Testing
  195
- Local Analog Loopback Test (AT&T1)
  196
- XFAST Synchronous Data Compression Testing
  196
- Local Analog Loopback Pattern Test (AT&T8)
  199
- Remote Digital Loopback Test (AT&T6)
  201
- Remote Digital Loopback Pattern Test (AT&T7)
  203
- Data Mode Pattern Test
  205
- Local Digital Loopback (AT&T3)
  207
- Busy out (ATH1)
  209
- Retrain (AT01)
  210
- XFAST DTE Cable Diagnostics
  211
Chapter 5 . Specifications

215
- Introduction
  215
- Physical Characteristics
  215
- Operating Mode Characteristics
  215
- Telephone Line Type
  215
- FAST Modulation Mode
  215
- V.32 bis Modulation Mode
  215
- V.32 Modulation Mode
  216
- V.22 bis Modulation Mode
  216
- Bell 212 Modulation Mode
  216
- V.21 Modulation Mode
  217
- Bell 103 Modulation Mode
  217
- Environmental Limits
  217
- Primary Power Requirements
  217
- Transmitter
  218
- Output Level
  218
- Transmitter Timing
  218

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