DES-3526:admin#cable_diag ports all
Command: cable_diag ports all

 Perform Cable Diagnostics ...

 Port   Type    Link Status            Test Result           Cable Length (M)
 ----  ------  -------------  -----------------------------  ----------------
  1     FE      Link Down      The PHY can't support Cable Diagnostic
  2     FE      Link Down      The PHY can't support Cable Diagnostic
  3     FE      Link Down      The PHY can't support Cable Diagnostic
  4     FE      Link Up        The PHY can't support Cable Diagnostic
  5     FE      Link Down      The PHY can't support Cable Diagnostic
  6     FE      Link Down      The PHY can't support Cable Diagnostic
  7     FE      Link Down      The PHY can't support Cable Diagnostic
  8     FE      Link Down      The PHY can't support Cable Diagnostic
  9     FE      Link Down      The PHY can't support Cable Diagnostic
  10    FE      Link Down      The PHY can't support Cable Diagnostic
  11    FE      Link Down      The PHY can't support Cable Diagnostic
  12    FE      Link Down      The PHY can't support Cable Diagnostic
  13    FE      Link Down      The PHY can't support Cable Diagnostic
  14    FE      Link Down      The PHY can't support Cable Diagnostic
  15    FE      Link Down      The PHY can't support Cable Diagnostic
  16    FE      Link Down      The PHY can't support Cable Diagnostic
  17    FE      Link Down      The PHY can't support Cable Diagnostic
  18    FE      Link Down      The PHY can't support Cable Diagnostic
  19    FE      Link Down      The PHY can't support Cable Diagnostic
  20    FE      Link Down      The PHY can't support Cable Diagnostic
  21    FE      Link Down      The PHY can't support Cable Diagnostic
  22    FE      Link Up        The PHY can't support Cable Diagnostic
  23    FE      Link Up        The PHY can't support Cable Diagnostic
  24    FE      Link Up        The PHY can't support Cable Diagnostic
  25    GE      Link Down      The PHY can't support Cable Diagnostic
  26    GE      Link Up        The PHY can't support Cable Diagnostic


DES-3526:admin#show switch
Command: show switch

Device Type       : DES-3526 Fast-Ethernet Switch
Combo Port Type   : 1000Base-T + 1000Base-T
...
Boot PROM Version : Build 5.00.009
Firmware Version  : Build 6.00.B38
Hardware Version  : 3A1
...
DES-3526:admin#