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PMC-CGM Installation and Use (6806800D53C)
Access and Configuration Configure Initial Master/Slave Role
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4.4.5 Configure Initial Master/Slave Role
After the initial configuration, the master/slave roles are handled by the DPLL software that runs
on the processor of the PMC-CGM.
Configuring the initial master/slave roles
To configure the initial master/slave roles, proceed as follows:
1. Start SNMP manager or MIB browser.
2. Connect to the PMC-CGM using one of its IP addresses.
3. Check the master/slave role of the current PMC-CGM module in the
cgmProtectionState object OID:.1.3.6.1.4.1.3656.8152.1.1.19.0.
The following values are possible: 0 (standaloneMaster: Communication with the
partner is not possible and the module is running in master mode.), 1 (slave), 2
(master).
4. Adapt the master/slave role of the current PMC-CGM module, if necessary, in the
cgmProtectionCmd object OID:.1.3.6.1.4.1.3656.8152.1.1.20.0.
The following values are possible:
0 - Attempt to become master. This is only possible if a valid clock input is present.
1 - Give up mastership to the protection partner. This is only possible if the partner
(slave) has a valid input other than MS_SYNC.
5. Check whether the role change was successful in the cgmProtectionState object
OID:.1.3.6.1.4.1.3656.8152.1.1.19.0.
4.4.6 Setup Multi-Shelf Configuration
You have to define the number of extension shelves, up to two extension shelves are possible.
Setting up a multi-shelf configuration
To set up a multi-shelf configuration, proceed as follows:
1. Start SNMP manager or MIB browser.
2. Connect to the PMC-CGM using one of its IP addresses.
3. Go to cgmExtChConnection object OID:.1.3.6.1.4.1.3656.8152.1.4.11.0.
4. Select the properties of the connections to extension chassis 2 and 3.
The following values are possible:
Single Chassis (0) - default value
Chassis 2 in extension mode (1)
Chassis 3 in extension mode (3)
Chassis 2&3 in extension mode (5)