Operating instructions

Issue 1.0 March, 2006

G2-SIU ISDN S/T Interface Card

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Install this G2-SIU card on TKU1/SIU1 or TKU2/SIU2 slot 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 need DC feeding to work. The related jumper of this internal ISDN interface needs to be set to “on”.