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10 Making an ISDN Connection
Eiconcard C21 S/T-interface:
If your Eiconcard C21 has an S/T-interface, you need a separate NT1.
Note You can order an NT1 from Eicon Networks or from another
supplier.
Figure 5. Connecting to an NT1.
1 Take the cable included with the Eiconcard C21.
2 Plug one end into the Eiconcard C21.
3 Plug the other end into the NT1’s S/T jack.
4 Take the cable included with the NT1.
5 Plug one end into the ISDN wall jack.
6 Plug the other end into the NT1’s U jack.
2.
3.
S/T jack
U jack
NT1
6.
ISDN wall jack
Eiconcard C21
1.
4.
5.