/CHANNEL=(channel1,channel2,...)

    Includes specific channels (LAN communications paths).  The default
    is all channels included.  Channel names are displayed by the PE
    CHANNEL command.  Each channel name may be preceded by "NO" to
    exclude the channel(s).

    /CHANNEL=ALL includes all channels.  /CHANNEL=(ALL,NOCHANNELn)
    includes all channels except CHANNELn.  /CHANNEL=(CHANNELn)
    (equivalent to (NOALL,CHANNELn) selects only CHANNELn.

    Channels are identified by the local bus, remote bus, and VC name
    (name of the remote node), separated by underscores.  Bus names may
    be up to 3 characters long.  VC names may be up to 6 characters.
    Each may be wildcarded with * and % characters.

    Selecting all local and remote buses for the VC to node FOO would
    be specified as *_*_FOO, but this may be abbreviated as FOO.  In
    addition, the remote bus may be omitted, so EWA_*_FOO is equivalent
    to EWA_FOO.