NT7D16 Data Access card Page 475 of 894
Circuit Card Description and Installation

Result codes and messages

Each input record generates a result code which is sent to the user. Only one
code is sent regardless of the number of commands in the record. The reply
is in one of two formats:
• Numeric replies contain a one- or two-number code
• Verbose replies contain one or more words
Table 154 shows the codes for each reply in both formats, and explanations
for the codes.
Note 1: Verbose commands are the default and appear in upper case
characters only. Numeric commands are sent by issuing the Numeric
Results code command (explained later in this document).
Note 2: All verbose codes and messages are preceded and terminated
by the user defined Terminator and New Line characters. The default, or
reset, characters are the ASCII Carriage Return, and ASCII Line Feed.
The Numeric codes are preceded and terminated by the Terminator
character only.
Note 3: The Suppress result command (explained later in this
document) will disable the sending of these codes. If in RS-232-C DAC
Host modes, this command is ignored.
Table 154
Hayes dialing result codes and messages (Part 1 of 2)
Verbose
code
Numeric
code Description
OK 0 Command(s) executed, no error
CONNECT 1 Data call established, session starts
RING 2 Inbound call presented
NO CARRIER 3 Data call abandoned
ERROR 4 Error in command line
NO DIALTONE 6 System does not allow call to proceed