Description: This 16 byte bitmapped object describes the status of 
each of the ports on the PIM.  
The layout of the bits in each byte is as follows: 
Bit  Meaning
---  -------
3-0  encoded state:
      0: No GBIC installed
      1: Force bypassed by Management
      2: Bypassed due to no incomming signal
      3: Bypassed due to no outgoin signal
      4: Bypassed due to fault: K28.5 denstiy
      5: Bypassed due to fault: Running disparity
      6: Bypassed due to fault: Mis-aligned K28.5
      7: Bypassed due to fault: RLE
                          8: Bypassed because port is not in any zone
      9: Bypassed waiting Cut-In authorization
     10: Enabled and initializing
                         11: Enabled and active
                         12: Force bypassed by SAN Doctor

When this object is read the 'Port Event' bit in 
the devEventStatus object will be reset to zero.