Operating instructions

40 Issue 1.0 March, 2006
Example:
The following is the point to multi-point connection.
. The 1st ISDN interface needs the terminator because there is no other ISDN device connected after
this ISDN interface of SIU card.
. The 2nd ISDN interface does not need the terminator because there is an ISDN Modem connected
after this ISDN interface of SIU card.
 T-Interface Connection:
If the user has programmed the ISDN interface of SIU to a T-Interface, the wiring should be as follows: