NEC NEAX 2000 IVS2 Retrofit Manual page 26

SWITCH NAME
JP0 (Jumper pin)
Front
JP1 (Jumper pin)
Front
The figure in the SWITCH NAME column and the position in
column indicate the standard setting of the switch. When the switch is not set as shown by the
figure and , the setting of the switch varies with the system concerned.
NEAX2000 IVS Retrofit System Guide
ND-71075 (E), Issue 1.0
SWITCH SETTING
NUMBER POSITION
UP
DOWN
UP
DOWN
CHAPTER 2 INSTALLATION
Lamp Indications and Switch Settings
FUNCTION
Not used
(Memory backup OFF)
For normal operation
(Memory backup ON)
For using internal tone source
For using external tone source
CHECK
in the SETTING POSITION
Page 21