The output DFSMSrmm returns when you specify the SEARCHRACK subcommand and the EDGXCI macro OUTPUT=FIELDS and EXPAND=NO parameters is:

<Begin RACK/BIN Group>
  <RCK  - Rack or Bin Number       :  6, character         >
  <VOL  - Volume Serial            :  6, character         >
  <RST  - Rack or Bin Status       :  1, bin(8)            >
  <LOC  - Location                 :  8, character         >
  <MEDN - Media Name               :  8, character         >
  <PID  - Pool Prefix              :  6, character         >
  <TZ   - Time Zone                :  4, bin(32)           >
<End RACK/BIN Group>