NEC NEAX2000 IVS2 system manual SW4 Dip SW

CHAPTER 4 CIRCUIT CARD INFORMATION

List of Required Circuit Card

SWITCH NAME	SWITCH	SETTING	FUNCTION	CHECK
	NUMBER	POSITION
SW4 (Dip SW)	1	OFF	Not used
ON 1 2 3 4	2	OFF	Not used

Selection of PLO1 input (Phase Locked Oscillator)

• For clock receiver office:

	SW4-3	SW4-4	FUNCTION
	OFF	OFF	1.5 MHz clock
			[For PN-24DTA-C/PN-24PRTA]
3, 4	ON	OFF	192 kHz clock
			[For PN-BRTA]
	OFF	ON	2 MHz clock
			[For PN-30DTC-A/PN-2BRTC]
	ON	ON	Not used

•For clock source office:

SW4-3 SW4-4

OFF OFF

VR (Rotary SW)	Variable Resister for External Hold
20	Tone Source
	(0 - 20 Kohms : Clockwise)
0

DK (Connector)	02	Ground detection
02
	01	Ground sending
01

(Continued)

Page 48	NEAX2000 IVS2 Q-SIG System Manual
	ND-70923 (E), Issue 1.0