Terminal

Symbol

Description

1, 2

2 x RJ45 interface for Ethernet with switch

3, 4

KNX

KNX PL-Link

5, 6

~ , ⏊

Operating voltage AC 24 V

7

Functional ground must be connected on the installation side with the building grounding system (PE).

10, 11

D, ⏊

Digital input (for future use)

Term

On, off

Switch for bus termination

Polar

On, off

Switch for polarization

65, 66, 67

COM1

Interface EIA-485 (Modbus RTU and MS/TP)

68, 69, 70

COM2

71, 72

MBUS

M-bus interface (for future use)