CHAPTER 4 CIRCUIT CARD INFORMATION

List of Required Circuit Card

SWITCH NAME

SWITCH

SETTING

FUNCTION

CHECK

NUMBER

POSITION

SW1 (Push SW)

 

 

For initializing CPU

 

SW2

1

ON

A-law (Australia)

 

(Piano Key SW)

OFF

µ-law (North America)

 

 

 

 

 

 

OFF

 

Selection of PLO0 input

4

 

(Phase Locked Oscillator)

3

 

• For clock receiver office:

2

 

 

 

 

 

1

 

SW2-2

SW2-3

FUNCTION

 

 

 

ON

OFF

OFF

1.5 MHz clock

 

 

 

 

 

 

[For PN-24DTA-C/PN-24PRTA]

 

2, 3

ON

OFF

192 kHz clock

 

 

 

[For PN-BRTA]

 

 

 

 

 

 

OFF

ON

2 MHz clock

 

 

 

 

[For PN-30DTC-A/PN-2BRTC]

 

 

ON

ON

Not used

For clock source office:

SW2-2 SW2-3

OFF OFF

 

 

ON

When using RS1 port for built-in

 

4

MODEM

 

 

 

 

 

 

 

 

OFF

When using RS1 port for RS-232C

 

 

 

 

(Continued)

NEAX2000 IVS2 Q-SIG System Manual

Page 47

ND-70923 (E), Issue 1.0

Page 53
Image 53
NEC NEAX2000 IVS2 system manual SW2, Off Off, Modem