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)

DIP SWITCHES

1010

 

 

O 1 2 3 4

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TE.

TR

3300 ft.

Figure 7—Short Passive Bus (Point-to-Multipoint)

DIP SWITCHES

O 1 2 3 4

N

TE.1

1010

TE.2

 

 

TR

 

TR

660 ft.

Figure 8—Short Passive Bus (Linear)

 

TE.1

DIP SWITCHES

1010

 

O 1 2 3 4

N

TE.8

TR

660 ft.

13

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ADC ISDN NT11010 manual T bus configuration, End of Passive Bus P-P