Interface Configuration
7750 SR OS Interface Configuration Guide Page 491
A:7750-3# 
A:7750-3# show mcm 1
==========================================================================
MCM 1/1
==========================================================================
Slot Mcm  Provisioned          Equipped             Admin    Operational       
          Mcm-type             Mcm-type             State    State             
--------------------------------------------------------------------------
1    1    mcm-xp               mcm-xp               up       up 
==========================================================================
MCM 1/3
==========================================================================
Slot Mcm  Provisioned          Equipped             Admin    Operational       
          Mcm-type             Mcm-type             State    State             
--------------------------------------------------------------------------
     3                         mcm-xp               up       unprovisioned
==========================================================================
A:7750-3# 
mda
Syntax mda [slot [/mda]] [detail]
Context show
Description This command displays MDA information.
If no command line options are specified, a summary output of all MDAs is displayed in table format. 
Parameters slot — The slot number for which to display MDA information.
Values 1 — 10
mda — The MDA number in the slot for which to display MDA information.
Values 1, 2
7750 SR-c12 - 1, 3, 5, 7, 9, 11
7710 SR-c4 — 1, 3
detail — Displays detailed MDA information.
Output MDA Output — The following table describes MDA output fields. 
Label Description 
Slot
The chassis slot number.
MDA
The MDA slot number.