2N Lift emergency phone 2N SingleTalk - Manual, 1514 v6.3.0 - Manual (Page 28)

Installation
– universal version
2.5
27
Jumper Settings
Left-hand jumper (ALARM INPUT) Right-hand jumper (PROGRAMMING)
inverted ALARM input disabled PROGRAMMING
up
(NORMAL) closing contact or voltage
connection activation up
(ENABLED) enabled
down
(NEG.) breaking contact or voltage
disconnection activation down
(DISABLED) disabled
Connectors accessible after cover removal
servicing
connector
(do not
connect
anything)
servicing connector
(button 2 can be
connected to two
bottom contacts )
extending module
connector
extending module
mounting spacer
"Wait" LED
connector
“Connection
established”
LED" connector
External
microphone
connector
Loudspeaker
connector
Induction
loop
connector
Tip: To access connectors at the bottom edge of the board without cover
removal, just loosen cover screws gently and slide the cover upward. Applies to
HW version 7 and higher, when amplifier module is not mounted.