NEC NWA-008869-001 manual Switch Name, Setting, Function, Check, Number, Position

CHAPTER 2 INSTALLATION

INSTALLATION PROCEDURE

SWITCH NAME		SWITCH	SETTING				FUNCTION			CHECK
		NUMBER	POSITION
SW0			ON	Source clock signal from network is
(Piano Key SW)		1		sent to the PLO0 input on MP card.
		NOTE 3	OFF	Source clock signal from network is not
OFF				sent to the PLO0 input on MP card.
8			ON	Source clock signal from network is
7		2		sent to the PLO1 input on MP card.
6
5		NOTE 3
				Source clock signal from network is not
4			OFF
				sent to the PLO1 input on MP card.
3
2
	3	ON	Remote loopback
1
		NOTE 4	OFF	For normal operation
	ON
		4	ON	Local loopback (AIS send)
		NOTE 4	OFF	For normal operation
			ON	Set equalizer according to the cable
		5		length between the PBX and the C.O.
				or CSU.
		NOTE 4
			OFF	•	For DS-1 (SW1-3 ON)
					SW0-5	SW0-6	SW0-7	CABLE LENGTH TO CSU (0.5 φ)
					ON	ON	ON		1199-1758 m (3930-5764 ft.)
					OFF	ON	ON		599-1199 m (1965-3930 ft.)
			ON		ON	OFF	ON		0-599 m (0-1965 ft.)
		6			OFF	OFF	ON		Not used
					OFF	OFF	OFF		Signal is not sent
		NOTE 4
			OFF	•	For DSX-1/Hong Kong/Taiwan
					(SW1-3 OFF)
					SW0-5	SW0-6	SW0-7	CABLE LENGTH TO CSU (0.65 φ)
			ON		ON	ON	ON		0-40 m (0-131.2 ft.)
		7			ON	ON	OFF		40-80 m (131.2-262.5 ft.)
					ON	OFF	ON		80-120 m (262.5-394 ft.)
		NOTE 4
					ON	OFF	OFF		120-160 m (394-525 ft.)
			OFF		OFF	ON	ON		160-200 m (525-656 ft.)
					OFF	OFF	OFF		Signal is not sent
		8	OFF	Not used
									Continued on next page

– 45 –	NWA-008869-001 Rev.1.0
	atch2001.fm