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Chapter 4 – Command Line Interface (CLI)
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354A) 28
Serial Commands – Setup
Command Syntax hangup [serial interface]
Valid serial interface – Modem port S1
Description
When this command is issued, the established live link is brought down.
This command is only valid only for modem port (S1)
Default Value
-
Success If physical link is brought down, OK and
Physical link is successfully brought down messages are given
Error 1. Too few arguments
"Usage: hangup [S1]
Type 'hangup [S1] ?' for more information"
2. “error: Link could not be brought down”
message is given when link could not be brought down
Command Syntax linkup [serial interface]
Valid serial interface – Modem port S1
Description
Establishes a physical link and PPP on the modem port.
This command is relevant only when the serial interface is a dialing end
with dialing-trig-mode configured as "command"
Default Value
-
Success
If physical link is established
OK and
CONNECT 14400 LAPM COMPRESSED
(i.e., CONNECT message from the modem)
are given
Error 1. Too few arguments
"Usage: linkup [S1]
Type 'linkup [S1]' for more information"
2. “error: Link cannot be brought up”
message is given when dialing-trig-mode is not "command”
3. “error: Link is not established”
message is given when link is not established (in case PPP fails to get the
logical link up)
4. “error: Link is already up”
message is given when link is established and this command will not
tear down and bring up the link
5. “error: NO CARRIER / NO DIALTONE / NO ANSWER”
or any error return code from the modem