NEC NEAX2000 IVS2 system manual DTI0 DTI1 DTI2 DTI3 DTI4 Conditions Remarks

CHAPTER 4 CIRCUIT CARD INFORMATION

List of Required Circuit Card

NOTE 1: Set the groove on the switch to the desired position.

NOTE 2: When the power is on, flip the MB switch to ON (UP position) before plugging/ unplugging the circuit card.

NOTE 3: Set SW0-1 and SW0-2 as follows:

	DTI0		DTI1		DTI2		DTI3		DTI4
CONDITIONS											REMARKS
	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
	0-1	0-2	0-1	0-2	0-1	0-2	0-1	0-2	0-1	0-2
When one DTI is											MP card will receive the
	ON	OFF	–	–	–	–	–	–	–	–	clock signal from DTI0 at its
provided.
											PLO0 input.
											MP card will receive the
											clock signal from DTI0 at its
											PLO0 input, under normal
When more than											conditions.
one DTI is pro-	ON	OFF	OFF	ON	OFF	OFF	OFF	OFF	OFF	OFF	Should a clock failure occur
vided.											with DTI0, MP card will auto-
											matically switch to the PLO1
											input which gets clock from
											DTI1.

NOTE 4: When the PBX is a clock source office, set the SW0-1 and SW0-2 on all the DTI cards mounted in PIM0 to “OFF”.

NOTE 5: Mount the DTI card which receives a source clock signal into PIM0.

NEAX2000 IVS2 Q-SIG System Manual	Page 61
ND-70923 (E), Issue 1.0