GDS-600
– System Installation
47
G2-SIU ISDN S/T Interface Card:
Install the G2-SIU card in TKU1/SIU1 or TKU2/SIU2 slots of the G2-MBU.
JP3(A,B,C):
DC feeding jumper. Default is no DC output. If the internal ISDN device does not offer local power
and needs DC feeding to work. The related jumper of this internal ISDN interface needs to be set to
“on”.
Caution:
1. When this jumper is on, users cannot loop
“S” interface back to another “T” interface for testing purposes.
Otherwise, it will damage this card!
2. Incorrect jumper settings will also damage this card.
JP1(A,B,C)/JP2(A,B,C): Bus Terminator.
