Metcom Solutions MCS301 User Manual

23 Security functions Page 108 of 142
MCS301 meter - product Manual 1.25 MetCom Solutions GmbH
23.7 Meter reprogramming protection
23.7.1 Password protection (LLS)
The MCS301 meter possesses different security levels for meter reprogramming in case the
LLS (Low Level Security) is activated only.
• Different access rights for all clients
• Password for all parameter changes(up to 4 password level)
• Hardware protection for specific billing parameters
23.7.2 High level security (HLS)
The HLS security is implemented according the DLMS Blue Book (edition 12.1
th
) and the Green
book (edition 8.1
th
) with the provision of.
Data access security
Definitions for authentication mechanism for high-level-security (HLS) of the sign-on process
between clients and server.
• Authentication: verifying the claimed identity of the partners before data exchange
• identification elements: system title, client user id, Service Access Point (SAP)
• Authentication procedures
• no security: „public” access, no identification takes place
• LLS, Low Level Security authentication: server identifies client by password
• HLS, High Level Security authentication: mutual identification
• exchange challenges
• exchange result of processing the challenge using different algorithms
• Different Associations may use different Authentication mechanisms
• All Association events may be logged in Event logs

Metcom Solutions MCS301 Specifications

General

Brand	Metcom Solutions
Model	MCS301
Category	Measuring Instruments
Language	English