This is a switch with a vintage phone cord. It is connected to ZVST IP, ZU IP, ZLJK IP, ZLJR IP, ZUR IP, KJ IP or KJD IP via a connector.
The switch works just as a button which makes possible to send a request for voice communication.
Dimensions: 40 mm x 84 mm x 27 mm
Variants: VSB IP (110153) – Call cord for ZVSB 868 IP
