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JA-121T RS-485 bus interface

JA-121T RS-485 bus interface

  • Brand::Jablotron
  • Product Code: JA-121T
  • Availability: 12 Days

Powerfrom the control panel BUS 12 V DC (9 � 15 V)
Current consumption to calculate the backup15 mA (standby)
Maximum current consumption for cable20 mA choice
Nominal current load15 mA
Maximum current load15 mA
RS-485 operational voltage5 V (4.75 � 5.25 V)
Input/output separationgalvanically (up to 4 kV)
Dimensions52 x 38 x 14 mm
Weight15 g
ClassificationEnvironmental class II (According to EN 50131-1)
Operational environmentIndoor general
Operational temperature range-10 �C to +40 �C

Overview

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.

Available from Pacific GSM on pacificgsm.com as a genuine Jablotron 100 / 100+ product.

Key features

  • Designed for the Jablotron 100 / 100+ bus or wireless ecosystem
  • Official Jablotron part code JA-121T

Ideal for

Homes and small commercial sites

Choose the JA-121T when you need reliable Jablotron 100 coverage and straightforward integration with panels and peripherals stocked by Pacific GSM.

Documentation

The English installation manual is available under Downloads on this product page when supplied by Jablotron.

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Tags: JA-121T RS-485 bus interface, JA-121T, Detectors

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