NEC 151944 system manual Neutral grounding on the receiving line is not

Table 3-2 Switch Settings on PN-DAIA Card (Continued)

SWITCH	SWITCH	SETTING	FUNCTION	CHECK
NAME	NUMBER	POSITION

	SW3 (Dip SW)		1	ON	Set equalizer according to cable length between
					system and 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)
			3	ON		ON	OFF	OFF	394 - 525 ft. (120 - 160 m)
						OFF	ON	ON	525 - 656 ft. (160 - 200 m)
				OFF		OFF	OFF	OFF	Signal is not sent
			4	OFF	Always set to OFF
JPS (Jumper pin)				Right	For mounting this card on PIM1 ~ PIM7
				Left	For mounting this card on PIM0
JPR (Jumper pin)				Right	Neutral grounding on the receiving line is provided.
				Left	Neutral grounding on the receiving line is not
					provided.

Note 1: Set the groove on the switch knob to the desired switch position.

Note 2: Since DAIA card acts like an FP, the SW1 for DAIA in FPs cannot be set to the same number.

Note 3: When power is on, flip MB switch to ON (UP position) before plugging/unplugging the circuit card.

Note 4: When the clock signal from a master office is supplied via the line between the Main Site and the Remote Site, set the SW1-1 and SW1-2 according to settings in Table 3-3.In this case, DAIA cards (DAIA0, DAIA1) must be mounted in PIM0.

Table 3-3 Switch Settings When Clock Signal Supplied From Master Office

		DAIA0		DAIA1		DAIA2
CONDITIONS								REMARKS
	SW1-1		SW1-2	SW1-1	SW1-2	SW1-1	SW1-2
Only one DAIA	ON		OFF	-	-	-	-	Clock signal is sent to
card is provided.								PLO0 of MP card via
								supply route 0 (DAIA0).
Two or three DAIA	ON		OFF	OFF	ON	OFF	OFF	Clock signal supply route
cards are provided.								is automatically changed
								to route 1 (DAIA1) if
								transmission line failure
								occurs on supply route 0.

CHAPTER 3 ND-46550 (E)

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Revision 2.0