Siemens GIGASET SX255 - Manual (Page 33)

32
Operation of entrance telephone
Gigaset SX205-255i / englisch / A31008-X255-B100-1-7619 / door_station.fm / 09.10.2003
Ritto TwinBus entrance system
Door type 2 (DTMF)
For details of connecting entrance telephones with DTMF control (door type 2), refer to
the example below.
Deutsche Telekom DoorLine
!
Caution!
Connect base power unit 6573 and additional unit TFV5680 using
enclosed bus connector.
!
Caution!
Connect base power unit 4753/01 and additional unit TFV4680/00 using
enclosed bus connector.
Gigaset SX205-255i
Gigaset SX205-255i