ADC ISDN NT11010 - Manual (Page 16)

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Table 2—U interface pin assignments
Power connector
The 4-pin mini DIN power connector is located on the side of the 1010. This design
will prevent the weight of the 1010 power adapter from accidentally pulling off,
when the 1010 is wall mounted. The power connector pin assignments are shown in
Table 3.
Table 3—Power connector pin assignments
DIP switch setting
A block of four DIP switches is located on the bottom of the 1010. Use the DIP
switches to configure the 1010 according to the settings shown in Table 4. For S/T
wiring configuration, please refer to Chapter 4.
Table 4—Dip switch pin assignments
* = default setting
Pin Function Pin Function
1 — 2 —
3 — 4 TIP
5 RING 6 —
7 — 8 —
Pin Function Pin Function
1 +9 VDC 2 - 40 VDC
3 GND for 9V 4 GND for -40V
Switch Function On Off
1, 2 S/T - termination Yes * No
3 Bus timing mode Short passive
bus Point-to-point, or
extended passive bus
4 Spare N/A * N/A