JA-121T Jablotron 100+ RS-485 Bus Interface
- Brand::Jablotron
- Product Code: JA-121T
- Availability: 12 Days
| Power | from the control panel BUS 12 V DC (9 � 15 V) |
|---|---|
| Current consumption to calculate the backup | 15 mA (standby) |
| Maximum current consumption for cable | 20 mA choice |
| Nominal current load | 15 mA |
| Maximum current load | 15 mA |
| RS-485 operational voltage | 5 V (4.75 � 5.25 V) |
| Input/output separation | galvanically (up to 4 kV) |
| Dimensions | 52 x 38 x 14 mm |
| Weight | 15 g |
| Classification | Environmental class II (According to EN 50131-1) |
| Operational environment | Indoor general |
| Operational temperature range | -10 �C to +40 �C |
The JA-121T is a universal adapter between the Jablotron 100+ bus and an RS-485 serial line, allowing integration with other systems.
Highlights
- RS-485 at 5 V
- Galvanic separation up to 4 kV
- Bus powered; 15 mA
- 52 × 38 × 14 mm
Where it suits
For integrators linking building management or third-party systems.
Installation and set-up
Connect it to the wired Jablotron 100+ bus, enrol it and set its behaviour in F-Link. We recommend installation by a Jablotron-trained installer; the installation manual is available in the Downloads tab.
Tags: JA-121T, RS-485 interface, integration, Jablotron 100+, bus

