Configuring the Modem 4-1
Configuring
the Modem
Chapter 4

Configuring the Modem

Contents
Overview ....................................................................................................... 4-2
Communications Software Package Operating Notes .................................. 4-2
Configuring the Modem for Use with Communications
Software ............................................................................................... 4-2
Operating Notes ....................................................................................... 4-3
If the Communications Software and Modem Do Not Operate... ............ 4-5
Preparing for Operation ................................................................................ 4-5
Reinitializing Memory from the Front Panel ........................................... 4-5
Reinitializing Memory Using the AT&F Command ................................ 4-5
Configuration Option Sets ............................................................................ 4-6
What is an Option Set? ............................................................................. 4-6
Configuring an Option Set ....................................................................... 4-10
Option Set Defaults .................................................................................. 4-11
326X V.32bis and 326XFA S T Modem Application Examples .................... 4-16
Option Set 1—Async Calls to Central Site Using AT ACU .................... 4-17
Option Set 2—Sync Answering Central Site Without ACU .................... 4-18
Option Set 3—Sync Calls to Central Site, V.25bis ACU ......................... 4-18
Option Set 4—Async Answering Central Site
without ACU (Models 3260/62/65/67) ................................................ 4-19
Option Set 4—Synchronous Leased Line Applications
with Dial Restoral (Models 3261/63/66/68) ........................................ 4-20
326XFAS T-SDC Modem Application Examples ......................................... 4-21
SDC Pre-Operation Notes ........................................................................ 4-21
Configuring the Modem for SDC Operation ............................................ 4-22
SDC Sample Applications ........................................................................ 4-22
Remote Access Reset ................................................................................... 4-28
Operation .................................................................................................. 4-28
When Remote Access Reset Is Disabled ...................................................... 4-28