Diagnostics and upkeep
5.3 Replacing a module without a programming device
CM 1542-1
Operating Instructions, 07/2019, C79000-G8976-C355-04
39
Access permissions using community names
The CM uses the following community strings to control the rights for authentication of the
access to its SNMP agent via SNMPv1:
Table 5- 1
Access rights and authentication in the SNMP agent
Type of access
Community string for authentication
*)
Read access
public
Read and write access
private
*
)
Note the use of lowercase letters!
Note
Security of the access
For security reasons, change the generally known strings "public" and "private".
5.3
Replacing a module without a programming device
General procedure
The configuration data of the CM is stored on the CPU. This makes it possible to replace this
module with a module of the same type (identical article number) without a PG.
