ADC ISDN NT11010 Power connector, DIP switch setting, Interface pin assignments Pin Function

Table 2—U interface pin assignments
Pin	Function	Pin	Function
1	—	2	—
3	—	4	TIP
5	RING	6	—
7	—	8	—

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

Pin	Function	Pin	Function
1	+9 VDC	2	- 40 VDC
3	GND for 9V	4	GND for -40V

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

Switch	Function	On	Off
1, 2	S/T - termination	Yes *	No
3	Bus timing mode	Short passive	Point-to-point, or
		bus	extended passive bus
4	Spare	N/A *	N/A

* = default setting

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