CHAPTER 2 INSTALLATION

INSTALLATION PROCEDURE

SWITCH NAME

SWITCH

SETTING

FUNCTION

CHECK

NUMBER

POSITION

SW1

1

OFF

Not used

 

(Piano Key SW)

 

 

 

 

 

OFF

2

OFF

Not used

 

 

 

4

 

 

 

 

3

 

[North America only]

 

2

 

 

 

 

 

 

1

 

 

DS-1

 

 

 

ON

 

ON

 

(T1 with CSU function)

 

 

 

 

NOTE 4

3

OFF

DSX-1

 

 

 

 

(T1 without CSU function)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[Hong Kong/Taiwan]

 

 

 

 

 

 

 

 

 

 

 

 

OFF

Not used

 

 

 

 

 

 

 

 

 

 

 

4

ON

AP No. 04-15

 

 

 

 

 

 

 

 

 

 

OFF

AP No. 20-31

 

 

 

 

 

 

 

 

 

 

 

 

JPR0 (Jumper pin)

 

UP

Neutral grounding on the receiving line

 

 

 

 

 

is provided.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DOWN

Neutral grounding on the receiving line

 

 

 

 

 

is not provided.

 

 

 

 

 

 

 

 

 

 

 

 

 

JPR1 (Jumper pin)

 

RIGHT

Line impedance: 100 Ω

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEFT

Line impedance: 110 Ω

 

 

 

 

 

 

 

 

 

 

 

 

JPS (Jumper pin)

 

UP

Neutral grounding on the transmitting

 

 

 

 

 

line is provided.

 

 

 

 

 

 

 

 

 

 

 

DOWN

Neutral grounding on the transmitting

 

 

 

 

 

line is not provided.

 

 

 

 

 

 

 

 

 

 

 

 

 

Continued on next page

– 46 –

NWA-008869-001 Rev.1.0

 

atch2001.fm

Page 56
Image 56
NEC NWA-008869-001 manual Not used Piano Key SW, DS-1 T1 with CSU function, DSX-1, T1 without CSU function, AP No