COUPLE Use the COUPLE command to connect your virtual (nondedicated) adapter (CTCA) to another user's virtual
channel-to-channel adapter (or to another one of your own virtual adapters). The format of the COUPLE command is:
r COUPLE vaddr1 [To 1 userid vaddr2
L J
vaddr1 is the virtual address (cuu) of your channel-to-channel
adapter. [TOl userid
vaddr2
is the user identification of the virtual machine to which valnr1 is to be connected. If vaddr1 is to be connected to your own virtual machine, userid may be specified as an
asterisk (*). The user must be logged on and have a virtual
channel-to-channel adapter defined. If the keyword TO is
omitted, the userid cannot be "T" or "TO". is the virtual address (cuu) of the channel-to-channel adapter
to be connected to vaddr1.
CTCA vandr1 COUPLE TO userid vaddr2 This is the response you receive when you issue the COUPLE command.
vaddr1
userid vaddr2 is the address of your channel-to-channel adapter.
is the identification of the receiving virtual machine.
is the address of the channel-to-channel adapter of the rece1v1nq user (or a different channel-to-channel adapter
in your own virtual machine).
CTCA vaddr2 COUPLE BY userid vaddr1
This is the response that the user specified by userid receives
when yon issue the COUPLE command.
vaddr2 useria. is the address of the channel-to-channel adapter of the
receivinq user.
is the identification of the user who issued the COUPLE command.
Section 5. Format of CP Commands 51
COUPLE vadde1 is the address of the issuing user's channel-to-channel
adapter. CTCA vaddr1 DROP userid vaddr2
This is the response that the user who issued the :OUPLE command
receives the virtual CTCA vaddr1 was already coupled when the COUPLE was issued. The previous connection is terminated.
This response is always followed by the response: crCA vaddr1 COUPLE TO userid vaddr2 CP rie£erence tor General Users
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