Page 132 01/2007  AMT/PTD/PBX/0020/2/4/EN
REGISTER RNBRESYNC
 I/O Address= 5032H
Register NBRESYNC gives the number of times that LDT card switches to resynchronization
mode. Its maximum value (FFH) is preserved once reached as long as this register is not read
again.
Note:
This register is incremented only if LDT card is in automatic resynchonisation mode. The
reading of this one gives to zero the meter 
REGISTER RFEN
Register RFEN, accessible in reading only, contains the localization code of the card. Its content
is the code cabled in back plane, that is to say the reverse of the CLX number used for the
recognition of the bus system orders.
 I/O Address= 503CH
NADR11 .. NADR8 = Etat des entrées fixant le numéro de la position CLX .
NA/B=0 : LDT card  equipped with 16 interfaces
NA/B=1 : LDT card  equipped with 8 interfaces
MASTER=1 : LDT provides DECT clock (master)
RESYNCAUTO=1 : LDT is in automatic resynchonisation mode