User's Manual

Appendix A SDLT 600A Tape Drive Specifications
Modular Design
SDLT 600A Product Manual 101
specific set of functions and designed to interface with the other modules
in a well defined and flexible manner.
The following subsections provide a brief overview of each module.
Figure 76 SDLT 600A Tape
Drive Modular Design
Data Control Module 1 The Data Control Module (DCM) contains several of the functions and
features of LGMR technology, which is at the heart of the SDLT
technology. Of the five technologies that constitute the LGMR
technology, two are in the DCM. These are the POS and the MRC heads.
The main functions of the DCM are to provide the path and guides for all
tape motion inside the tape drive and to write data to and read data from
the tape. In addition to the POS and MRC heads described in Pivoting
Optical Servo and Magneto Resistive Cluster Heads, the DCM contains a
Note: Despite the deliberate modularity of each module, with the
exception of the FPM, individual users should not
swap
modules. The FPM is the only module that is field replaceable.
Customer adjustments to the TCM, DCM, or EIM will void the
tape drive’s warranty.
DCM
TCM
FPM
Data
EIM ICM
EIM HIM
cartridge