Crestron CEN-IO Ethernet Input/Output Module
Configure Community Strings
Depressing “2” from the SNMP CONFIGURATION MENU opens the
CONFIGURE COMMUNITY STRINGS MENU which appears on the screen as
three options. These strings serve as passwords to read and write SNMP MIB
elements. The read community string (public default) is used to authenticate SNMP
‘Get Requests’. This parameter is also passed as the community string in SNMP trap
messages. The write community string (private default) is used to authenticate
SNMP ‘Set Requests’.
CONFIGURE COMMUNITY STRINGS MENU in Viewport Window
• Change Read Community String - Depressing “1” from the
CONFIGURE COMMUNITY STRINGS MENU instructs the program
to reveal the current read community string and prompts the user to
‘Enter the new “Read Community String”’. Enter the new string (254
character maximum) and depress ENTER. The program responds with
a ‘SAVED’ message and prompts the user to ‘Press any key to
continue’. Doing so displays the CONFIGURE COMMUNITY
STRINGS MENU again.
• Change Write Community String - Depressing “2” from the
CONFIGURE COMMUNITY STRINGS MENU instructs the program
to reveal the current write community string and prompts the user to
‘Enter the new “Write Community String”’. Enter the new string (254
character maximum) and depress ENTER. The program responds with
a ‘SAVED’ message and prompts the user to ‘Press any key to
continue’. Doing so displays the CONFIGURE COMMUNITY
STRINGS MENU again.
Miscellaneous Information
Depressing “3” from the SNMP CONFIGURATION MENU opens the
MISCELLANEOUS SNMP INFORMATION MENU which appears on the screen
as four options. Contact information is the textual identification for the managed
node. Assigned name is an administratively assigned name for this managed node.
Location information is the physical location of this node.
MISCELLANEOUS SNMP INFORMATION MENU in Viewport Window
• Change the Contact Information - Depressing “1” from the
MISCELLANEOUS SNMP INFORMATION MENU instructs the
program to reveal the current contact information value and prompts
the user to ‘Enter the new “Contact Information”’. Enter the new string
Operations Guide - DOC. 5718 Ethernet Input/Output Module: CEN-IO • 11