NEC 151944 system manual When mounting this card on remote

Table 3-5 Switch Settings on PN-DAIC Card (Continued)

SWITCH NAME	SWITCH	SETTING	FUNCTION	CHECK
	NUMBER	POSITION

	SW3 (Dip SW)		1	ON	Set the equalizer according to the cable
					length between the system and the CSU.
ON				OFF
		1 2 3 4				SW-1	SW-2	SW-3	CABLE LENGTH
			2	ON
						ON	ON	ON	0 - 131.2 ft (0 - 40 m)
						ON	ON	OFF	131.2 - 262.5 ft. (40 - 80 m)
				OFF
						ON	OFF	ON	262.5 - 394 ft. (80 - 120 m)
						ON	OFF	OFF	394 - 525 ft. (120 - 160 m)
			3	ON
						OFF	ON	ON	525 - 656 ft. (160 - 200 m)
						OFF	OFF	OFF	Signal is not sent
				OFF
			4	ON	When mounting this card on remote
					site.
				OFF	When mounting this card on main site.

In Table 3-5,the figure in the SWITCH NAME column and the position in in the SETTING POSITION column indicate the standard setting of the switch. When the switch is not set as shown by the

figure and , the setting of the switch varies with the system concerned.

Note: When the power is on, flip the MB switch to ON (UP position) before plugging/unplugging the circuit card.

ND-46550 (E)CHAPTER 3

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