Landis+Gyr Ultracold T550, Technical Description

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Communication 26/49
9 Communication
Electronic unit interfaces
The meter is equipped with an optical interface in accordance with EN 62056-
21:2002 as standard.
You can additionally use the remote reading with up to 2 of the following
communication modules:

Pulse module

CL module

M-Bus module G2

M-Bus module G4

M-Bus module G4 MI with 2 pulse inputs

Analog module

Radio module 868 MHz

GPRS module
These modules do not have an effect on the measurement. You can retrofit
the modules at any time without damaging the security seal.
Note: You will find the technical details and data on communica-
tion modules in their respective documentation.