The optional key switch module 'Desk call station extension (Kaba)' PTO2002-A1 and 'Desk call station extension (Nordic)' PTO2003-A1 enable all or individual call station buttons on PT2001-A1 and its extensions PTO2001-A1 to be released or locked individually.

Mounting

The PTO2002-A1 or PTO2003-A1 can be mounted directly to a 'Desk call station (19 buttons)' PT2001-A1 or as a further extension to a 'Desk call station extension (24 buttons)' PTO2001-A1.

Installation

The PTO2002-A1 or PTO2003-A1 key switch wires are connected to the logic control input of the PT2001-A1.

Connect PTO2002-A1 or PTO2003-A1 to PT2001-A1

PTO2002-A1 or PTO2003-A1

PT2001-A1 'CN7' logic control input

Wire color

Function

Pin

Description

Black

Common

6

10 V

White

NO, connected with Common with key switch activated

1

Logic control input 1

Red

NC, connected with Common with key not switched

2

Logic control input 2