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COMSPHERE 3821Plus Modem
4-6 February 1998 3821-A2-GB20-30
Table 4-1
(4 of 13)
3821
Plus
AT Commands
X
n
– Extended Result Codes,Dial Tone Detect,and Busy Tone Detect
The X
n
command sets three configuration options simultaneously:
Extended Dial Tone Busy Tone
Result Codes Detect Detect
X0 Disable Disable Disable
X1 Enable Disable Disable
X2 Enable Enable Disable
X3 Enable Disable Enable
X4 Enable Enable Enable
X5 Add/EC Enable Enable
X6 Add/V42,MNP Enable Enable
X7 Use DTE Rate Enable Enable
EXTENDED RESULT CODES
Informational messages such as VF (line) connect rate and Error Control are displayed with the result codes.
Disable. Displays basic result codes: OK, CONNECT, RING, NO CARRIER, and ERROR.
Enable. Displays basic result codes in addition to the CONNECT rate message (for example, CONNECT 14400).
Add/EC. If error control is negotiated, attaches the /EC suffix to the CONNECT rate message.
Add/V42,MNP. Attaches the V42b, V42, MNP5, MNP4, MNP3, MNP2, or NoEC suffixes to the CONNECT rate message.
Use DTE Rate. Displays DTE data rate instead of line CONNECT rate message.
DIAL TONE DETECT
Sets the modem for dial tone detection (enable) or blind dialing (disable).
Disable. Sets the modem for blind dialing.
Enable. Sets the modem for dial tone detect.
BUSY TONE DETECT
Sets the modem to monitor for Busy Tone (Enable) or ignore Busy Tone (Disable).
Disable. Modem ignores busy tone.
Enable. Modem monitors for busy tone.
NOTE: The default and permitted settings of this option are country-dependent. See Appendix H.
Y
n
– Long Space Disconnect
Determines the modem’s response to a continuous spacing condition sent from the remote modem when it goes on-hook.
Issuing a long space is one method of disconnecting a call.
Y, Y0 Disable. Ignores long space.
Y1 Enable. Disconnects if long space is detected. Enables transmission of a long space.
Z
n
– Reset and Load Active
Z, Z0 Loads configuration options from Active (Saved) to Active (Operating).
Z1 Loads configuration options from Customer 1 to Active (Operating).
Z2 Loads configuration from Customer 2 to Active (Operating).
Z3 Loads configuration options from Active (Saved) to Active (Operating) and performs a reset.
Z9 Performs a full modem reset as if the modem were powered Off and ON.