General DataComm 060A027-001, Installation & Operation Manual

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ii SpectraComm Dual V.34 Modem 060R122-000
Installation and Operation Issue 15
Table of Contents
Secure Access Modem Authentication Option .............................................................. 3-16
Message Flow ................................................................................................................ 3-20
Command Mode Overview ................................................................................................. 3-21
AT Commands ............................................................................................................... 3-22
Configuration Profiles .................................................................................................... 3-23
Remote Configuration Using the AT Commands .......................................................... 3-23
Remote Configuration Using an MMS Controller ......................................................... 3-25
Data Mode Overview ........................................................................................................... 3-26
Asynchronous Operation ..................................................................................................... 3-27
Error Correcting Modes ................................................................................................. 3-27
Non-Error Correcting Modes ......................................................................................... 3-30
Flow Control .................................................................................................................. 3-31
Synchronous Operation ....................................................................................................... 3-32
Synchronous Operating Modes ...................................................................................... 3-32
Asynchronous Dialing with Synchronous Transmission ............................................... 3-32
Direct Dialing in Synchronous Mode ............................................................................ 3-32
Normal Synchronous Mode ........................................................................................... 3-32
V.13 Synchronous Mode ................................................................................................ 3-33
Synchronous Compression Mode .................................................................................. 3-33
Clock Selection .............................................................................................................. 3-34
Switched Network Operation .............................................................................................. 3-35
Telephone Lines ............................................................................................................. 3-35
Private Line Operation ......................................................................................................... 3-36
Two-wire Setup .............................................................................................................. 3-36
Private Line Configuration ............................................................................................. 3-36
Transmit Level ............................................................................................................... 3-36
Automatic and Manual Handshaking ............................................................................. 3-37
Terminal Interface Overview ............................................................................................... 3-38
Initiating a Terminal Interface Session .......................................................................... 3-38
Selecting a Unit (Shelf Inventory Screen) .................................................................... 3-39
Modem Main Menu ............................................................................................................. 3-40
AT Session Terminal Interface Screen .......................................................................... 3-40
Alarms Terminal Interface Screen ................................................................................. 3-43
Call Statistics Terminal Interface Screen ....................................................................... 3-44
DTE Status Terminal Interface Screen .......................................................................... 3-45
Chapter 4: AT Command Set Operation
AT Command Guidelines ................................................................................................ 4-1
AT Command Setup ......................................................................................................... 4-2
AT Command Reference Tables ........................................................................................... 4-3