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Electronics
22 SL500 User’s Guide • July 2008 Revision: KA • 96116
Electronics
The electronics consist of the control path and robotic cards in the base unit.
Communications include:
■ Command line interface (CLI) over an RS232 port
■ Public Ethernet port (The private port is for future use)
■ Point to point library/tape drive RS423 interface
■ Control path card for LVD SCSI or SCSI over Fibre Channel
Sensors include:
■ Card temperature
■ Fan operational
■ Power safe
■ Tape drive present
■ Tape drive fault LED
RLC Card
The RLC card is the processor card. It contains all the necessary hardware to maintain
the robotics, interfaces, servo and vision control, and the door/CAP sensor status.
The card stores the library capacity information and the volume serial numbers (also
called VOLID) of the cartridges in the library storage cells.
Interface Cards
The RLW card is the LVD SCSI interface card. The MPU2 card is the Fibre Channel
interface card.