NEC ND-70919 Bedienungsanleitung PDF herunterladen (Seite 178)

CHAPTER 4 CIRCUIT CARD INFORMATION

PN-30DTC-A (DTI)

NEAX2000 IVS

ISDN System Manual

ND-70919 (E), Issue 1.0

Page 167

NOTE 3: Set the SW-1 and SW-2 as follows:

NOTE 4: When the PBX is a clock source office, set the SW-1 and SW-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.

CONDITIONS

DTI0 DTI1 DTI2 DTI3

REMARKS

-1

-2

-1

-2

-1

-2

-1

-2

When one DTI is

provided.

ON OFF – – – – – –

MP card will receive the clock

signal from DTI0 at its PLO0

input.

When more than

one DTI is

provided.

ON OFF OFF ON OFF OFF OFF OFF

MP card will receive the clock

signal from DTI0 at its PLO0

input, under normal condi-

tions.

If a clock failure occurs with

DTI0, MP card automatically

switches to the PLO1 input

which gets from DTI1.

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NEC ND-70919 Bedienungsanleitung Seite 178