Powering Up, Initializing, and Configuring
7750 SR-a4 and SR-a8 Installation Guide 131
Configuring Parameters
After the CPM is installed, chassis slots, IOM-a and MDA-a cards can be configured before 
or after the components are installed. 
Each specific slot must specify an IOM-a, MDA-a slot, and MDA-a type. You cannot 
configure ports until the MDA-a is configured. 
Configure components in the following order:
1. Card slot number (use the card command)
2. Card type (use the card-type command)
3. MDA-a slot number (use the mda command)
4. MDA-a type (use the mda-type command)
5. Ports 
Configuring Chassis Slot and IOM-a Parameters
In the config context, use the following CLI commands and syntax examples to provision 
the chassis slot and IOM-a:
Configuring MDA-a Parameters
MDA-a cards must be configured before their ports can be configured.
Note: 
• IOM-a cards are configured using the card and card-type commands (items 1 and 
2 in the following list). 
• MDA-a cards are configured using the mda and mda-type commands (items 3 and 4 
in the following list). 
Command Syntax Example
Step 1. card slot-number card 1
Step 2. card-type card-type card-type iom-a