Emerson PMC-CGM manual Configure Initial Master/Slave Role, Setup Multi-Shelf Configuration

Access and Configuration Configure Initial Master/Slave Role

4.4.5Configure 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.

4.4.6Setup 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)

40 PMC-CGM Installation and Use (6806800D53C)