DETACH CHANNEL Use the DETACH CHANNEL command to detach a iedicated channel from your
virtual michine when that channel path is no longer required for virtual
machine I/8 operations. The format of the DETACH CHANNEL command is:
r I I CHANnel c
L
CHANNEL c -, I I is the real address of the channel that is to be detached.
If DETACH is invoked prior to the normal completion of 1/0 activities on the dedicated channel, those activities are aborted. CHANNEL c DETACHED userid
is sent to the user who issued the and to the primary
system operator.
section 5. Format of CP Commands 69

DIAL Use the DIAL command to logically connect a switched line, leased line,
or locally attached terminal to a previously logged-on multiple-access
virtual ma=hine. The format of the DIAL command is: r DIAL userid [vaddr]
L _____ _ userid vaddr
is the identification of a virtual machine that is currently loqgei on.
is the address of the virtual communication line to which the
connection is to be made.
1. A cJmmand is accepted only at logon, and only as a substitute a LOGON command. The type of terminal used must be supported by bJth V,/370 and the multiple-access virtual machine. See the for details on running and gaining
access to multiple-access machines.
2. The command is not supported for the 3066 system console, for
the 3210/3215 system console, or for terminals that are using Nep lines in a 3704/3705 control unit, but is supported for 3138, 3148,
and 3158 display consoles.
3. Once the connection is made, your terminal operates entirely under
the =ontrol of that virtual machine. The DIAL command matches your
terminal to an equivalent type defined in the multiple-access virtual machine. If no matching terminal type exists, the cannot be made and an error message is issued. 4. The DIlL command, though not supported for remote 3270 terminals, is slPPJrted for locally-attached 3270 display devices. If the command is issued from a local 3270 terminal, the virtual system user must issue the CP command RESET to drop the dialed TO userid vaddr is the messaqe sent to the user indicating that a logical cJnnection has been made. 70 CP Command Peference for General Users