Jablotron JA-121T BUS interface RS-485

The JA-121T module is a universal adapter to RS-485 for other systems. It enables connection of the JABLOTRON 100 system bus to an RS-485 serial line and vice versa.

Size: 52 x 38 x 14mm

Availability: In stock
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An application can be e.g. for the connection of a Smart Home system. It contains galvanically separated circuits for 4 kV. Data are sent in the case of a status change or on request. In the passive mode all data are only sent on request.

The module is addressable and it occupies one position in the system

Specifications JA-121T / RS-485

Power supply via the control panel bus 12 V (9 - 15 V)
Module consumption in idle state 10mA
RS-485 output part 5V (4.75 to 5.25V)
Galvanic isolation 4kV bus / RS-485
Max. cable length of the TMP terminal 3m
Operation modes based on internal settings ASCII interface 9600bd / Altonica communicator
Dimensions: 52 x 38 x 14 mm
Environmental class according to EN 50131-1 II. General indoor
Operation temperature range -10°C to + 40°C
Security grade 2 in acc. with EN 50131-1, EN 50131-3,
It also meets the requirements of EN 50130-4, EN 55022, EN 60950-1

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