ADC ISDN NT11010 - Manual (Page 21)

13
C H A P T E R
4
S/T bus configuration
The 1010’s dip switch settings relate to the five possible
configurations of the S/T bus. The 1010 allows the user to
adjust the S/T bus Termination Resistance (TR) and S/T bus
timing.
Figure 6—End of Passive Bus (P-P)
Figure 7—Short Passive Bus (Point-to-Multipoint)
Figure 8—Short Passive Bus (Linear)
O
N
1 2 3 4
TR
DIP SWITCHES
1010
3300 ft.
TE.
O
N
1 2 3 4
TR
DIP SWITCHES
1010
660 ft.
TR
TE.1 TE.2
O
N
1 2 3 4
TR
DIP SWITCHES
1010
660 ft.
TE.1 TE.8