NEC ND-70919 Instrukcja Użytkownika Pobierz pdf (Strona 184)

CHAPTER 4 CIRCUIT CARD INFORMATION

PN-24PRTA (PRT)

NEAX2000 IVS

ISDN System Manual

ND-70919 (E), Issue 1.0

Page 173

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

NOTE 4: When the PBX is a clock source office, set the SW0-1 and SW0-2 on all the PRT cards

mounted in PIM0 to OFF.

NOTE 5: Mount the PRT card which receives a source clock signal into PIM 0.

CONDITIONS

PRT0 PRT1 PRT2 PRT3 PRT4

REMARKS

0-1

0-2

0-1

0-2

0-1

0-2

0-1

0-2

0-1

0-2

When one PRT

is provided.

ONOFF––––––––

MP card will receive the

clock signal from PRT0

at its PLO0 input.

When more

than one PRT

is provided.

ON OFF OFF ON OFF OFF OFF OFF OFF OFF

MP card will receive the

clock signal from PRT0

at its PLO0 input, under

normal conditions.

If a clock failure occurs

with PRT0, MP card

automatically switches

to the PLO1 input

which gets clock from

PRT1.

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NEC ND-70919 Instrukcja Użytkownika Strona 184