beautypg.com

Chapter 4 - advanced data communications -1, Chapter 5 - synchronous mode operation -1, Chapter 6 - leased line operation -1 – ZyXEL Communications Omni 288S User Manual

Page 7

background image

Default Modem Settings for PC’s....................................................................3-7
ZyXEL Serial/Parallel I/O Card .....................................................................3-8

Helpful Hints for Mac Computers .................................................................. 3-8

Special AT Command Settings for Mac ...........................................................3-8
Mac Serial Port.............................................................................................3-8
Mac Software Tips.........................................................................................3-8

Helpful Hints for UNIX-Based Computers..................................................... 3-9

Serial Cable..................................................................................................3-9
Basic Modem Settings for UNIX .....................................................................3-9
Unix Software Tips........................................................................................3-9

Chapter 4 - Advanced Data Communications ...............4-1

Front Panel LEDs ........................................................................................... 4-1

DTE Interface................................................................................................. 4-2

Synchronous and Asynchronous Communications ............................................4-2
UART ...........................................................................................................4-2
Serial Port ....................................................................................................4-2
RS-232C or EIA-232D/E ................................................................................4-3
Serial RS-232C Cable....................................................................................4-3

Communication Protocols and Speeds ........................................................... 4-3

Universal Protocol Compatibility...................................................................4-4
Choosing the Modem Link Options.................................................................4-4
Setting the DTE to DCE Rate .........................................................................4-5

Error Control.................................................................................................. 4-5

Data Compression .......................................................................................... 4-6

Hardware or Software Flow Control ............................................................. 4-7

Chapter 5 - Synchronous Mode Operation ...................5-1

V.25bis Command Set.................................................................................... 5-1

Clock Options ................................................................................................ 5-2

RTS Options................................................................................................... 5-2

Command State Options ................................................................................. 5-2

Dialing from Synchronous Mode.................................................................... 5-3

Answering from Synchronous Mode .............................................................. 5-3

Chapter 6 - Leased Line Operation ...............................6-1

Connecting to a 2-Wire Leased Line .............................................................. 6-1

Leased Line Handshaking............................................................................... 6-1

Terminating a Leased Line Connection .......................................................... 6-2