Used for mounting one Model 544D unit into one space (1U) of a 19-inch equipment rack. Unit will be located in the center of the 1U opening. Used for mounting one Model 545DC unit into one space (1U) of a 19-inch equipment rack. Unit will be located in the center of the 1U opening. Used for mounting one Model 545DR unit into one space (1U) of a 19-inch equipment rack. Unit will be located in the center of the 1U opening. Used for mounting one Model 5421 unit into one space (1U) of a 19-inch equipment rack. Unit will be located in the center of the 1U opening. Used for mounting one Model 5304 unit into one space (1U) of a 19-inch equipment rack. Unit will be located in the center of the 1U opening. Used for mounting one Model 48D unit into one space (1U) of a 19-inch equipment rack. Unit will be located in the center of the 1U opening.
