Northern UTA220/UTA220k - Manual (Page 8)

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Contents (continued)
Chapter 5. LCD Operation
LCD MENUS ........................................................................................................... 5-1
Main Menus ......................................................................................................... 5-1
Submenus ............................................................................................................ 5-1
LCD OPERATION ................................................................................................... 5-1
Menu Traversal..................................................................................................... 5-1
Chapter 6. V.25 bis Dialer Operation
SELECTING V.25bis .......................................................................................... 6-1
OPERATION IN V.25 bis MODE............................................................................. 6-1
V.25 bis MESSAGE FRAMES ................................................................................. 6-1
DTE INTERFACE PINS .......................................................................................... 6-2
DTR Pin Operation............................................................................................... 6-2
DCD Pin Operation ............................................................................................. 6-2
CTS Pin Operation .............................................................................................. 6-3
DSR Pin Operation .............................................................................................. 6-3
COMMAND PROCEDURES .................................................................................. 6-3
COMMANDS ........................................................................................................... 6-3
Dial Command: CRN xx..x ................................................................................ 6-3
Connect Incoming Calls: CIC ............................................................................. 6-4
INDICATION MESSAGES ..................................................................................... 6-4
Call Connect Indication: CNX ............................................................................ 6-4
Incoming Call Indication: INC ............................................................................ 6-5
Response Messages ............................................................................................. 6-5
Chapter 7. EIA-366 Dialer Operation
CONFIGURATION ................................................................................................. 7-1
OPERATION ............................................................................................................ 7-1
INTERFACE SIGNAL DEFINITIONS ................................................................... 7-2
Power Indication (PWI) ....................................................................................... 7-2
Call Request (CRQ) ............................................................................................. 7-2
Data Line Occupied (DLO) ................................................................................. 7-2
Distant Station Connected (DSC)......................................................................... 7-2
Digit Signal Circuits (NB1-NB8)......................................................................... 7-2
Digit Present (DPR).............................................................................................. 7-3
Present Next Digit (PND) .................................................................................... 7-3
Abandon Call and Retry (ACR) .......................................................................... 7-4
EXAMPLE DIAL SEQUENCE................................................................................ 7-4
Chapter 8. AT Command Operation
AT COMMAND STATEMENT ............................................................................... 8-1
AT Command Mode ............................................................................................. 8-1
ESCAPE SEQUENCE: + + + ............................................................................. 8-1
CREATING A COMMAND STATEMENT: AT ................................................. 8-2
COMMAND STATEMENT GUIDELINES ....................................................... 8-2
MONITOR DISPLAY .......................................................................................... 8-2
DTE CHARACTER ECHO: E ............................................................................ 8-2
COMMAND STATEMENT BUFFER ................................................................ 8-2