LUN address available on a FA port available for mapping

C:\Program Files\EMC\SYMCLI\bin>symcfg -sid 2258 -dir 8a -p 1 list -address -available

Symmetrix ID: 00019010XXX8

           Director                 Device Name          Attr     Address
    ---------------------- ----------------------------- ---- --------------
    Ident   Symbolic  Port Sym   Physical                     VBUS  TID  LUN
    ------  --------  ---- ----  -----------------------      ----  ---  ---

    FA-8A   08A       1     0046  Not Visible             VCM     0   00  000
                                      0049  Not Visible                           0    00  001
                                      004A  Not Visible                           0   00  002
                                      005B  Not Visible                           0   00  003
                                      005C  Not Visible                           0   00  004
                                      005D  Not Visible                           0   00  005
                                      005E  Not Visible                            0   00  006
                                         -     AVAILABLE                         0   00  007 *
                                      056B  Not Visible              (M)       0   00  00A
                                      0571  Not Visible              (M)        0   00  00B
                                      0577  Not Visible              (M)        0   00  00C
                                        -     AVAILABLE                          0   00  00D *
                                      0994  Not Visible              (M)        0   00  012
                                      0560  Not Visible              (M)        0   00  013
                                        -     AVAILABLE                          0   00  014 *
                                      0C62  Not Visible             (M)        0   00  01C
                                     0CB5  Not Visible             (M)         0   00  01D
                                     0D08  Not Visible             (M)          0   00  01E
                                     0D5B  Not Visible             (M)         0   00  01F
                                     0D67  Not Visible             (M)          0   00  020
                                    0DBC  Not Visible             (M)          0   00  021
                                    09BF  Not Visible             (M)           0   00  022
                                     0BB2  Not Visible             (M)         0   00  023
                                     0930  Not Visible             (M)          0   00  024
                                        -     AVAILABLE                          0   00  025 *
    Total                  ----
    Mapped Devices:          21
    Including Metamembers:  601
    Available Addresses:   3495 (s)


Legend for Available address:

(*): The VBUS, TID, LUN address values represent a gap in the
     address assignments or are the next available address in
     the run
(s): The Available Addresses for a director are shared among
     its ports (shared)