NEC 2000 IVS manual Switch Setting, Check

					PN-PW00 (EXTPWR)
(3) Switch Setting			Switch Settings
SWITCH	SWITCH	SETTING		FUNCTION	CHECK
NAME	NUMBER	POSITION
MB (Toggle SW)				For make-busy (–48 V power off)

UP

ON

For normal operation (–48 V power on)

Note DOWN

The figure in the SWITCH NAME column and the position in in the SETTING POSITION col- umn 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-45504 (E)CHAPTER 4

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Revision 2.0