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Door entry system
ABB-Welcome - System devices

System controller

• As the “brain” of the individual system, it manages the communication between
the outdoor station and the indoor station.
• Two working modes : “all on” and “one on”.

• If in “all on” mode, and the apartment contains more than 1 video indoor station, all the
screens in the apartment will be on while only one is on if in “one on” mode.
• It can also serve as auxiliary BUS power supply when connected to gateway in certain
mode.
• 1 LED for normal working condition indication.
• Overheat, short-circuit and lightening protection.
• Product dimensions: 90 x 144 x 65 mm.

Article No. Order No. Description Pack Qty
M2300 System controller, 1.2A output, MDRC 8U 1/10

Mini system controller
• As the “brain” of the individual system, it manages the communications between
the outdoor station and the indoor station.
• Two working modes: “all on” and “one on”.
• If in “all on” mode, and the apartment contains more than 1 video indoor station, all the
screens in the apartment will be on while only one is on if in “one on” mode.
• It can also serve as auxiliary BUS power supply when connected to gateway in certain
mode.
• 1 LED for normal working condition indication.
• Overheat, short-circuit and lightening protection.
• Product dimensions: 90 x 72 x 65 mm.

Article No. Order No. Description Pack Qty
M2301 Mini system controller, 0.65A output, MDRC 4U 1/10

Gateway
• It offers 5 different modes which can be set by dip switch: apartment gateway,
floor gateway, building gateway, auxiliary BUS power supply interface and line amplifier.
• Product dimensions: 90 x 72 x 65 mm.

Article No. Order No. Description Pack Qty
M2302 Gateway, MDRC 4U 1/10 16

Video outdoor distributor
• Used for buildings with more than 1 outdoor station.
• 2-way inputs are connected to different outdoor stations.
• Product dimensions: 90 x 36 x 65 mm.

Article No. Order No. Description Pack Qty
83325/2-500- Video outdoor distributor, MDRC 2U 1/20
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