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Table 3–1 States Indicated by LEDs
Drive State
POST (1st part)
POST (to completion)
Failed POST
Ready (no tape loaded)
Ready (tape loaded)
Normal tape motion
High-speed tape motion
SCSI bus reset
Error
Time to clean
Cleaning tape loaded
*
Green indicates EXB-8500 or EXB-8200 uncompressed format.
Amber indicates EXB-8500c or EXB-8200c compressed format.
** The LED flash rates are defined as follows:
flash slow = 1 flash/second
flash fast = 4 flashes/second
irregular = Rate of flash varies depending on SCSI bus activity. If the 8mm tape drive is
not connected to the SCSI bus, the LED will be off.
*** If a tape is loaded, the bottom LED will flash slow and then fast during the second part of
the power-on self-test (POST)
3.2
Recommended Data Cartridge
The 8mm cartridge tape drive uses 8mm data cartridges, Digital part number TKZ8x.
This data cartridge provides approximately 10 GBytes of EXB-8500c formatted data
capacity, assuming an average compression ratio of 2:1.
Additional data cartridges can be ordered. For details, see page
Guide" section of this document.
3.3
Setting the Write-Protect Switch
The tape drive uses 8mm data cartridges, part number TKZ8X. These data cartridges are
equipped with a write-protect switch to prevent the tape from being unintentionally
written to.
Order Number: EK–STWCT–UG. E01
Top LED (errors)
On
On
Flash fast
Off
Off
Off
Off
On
Flash slow
Flash fast
Off
You may occasionally observe LED combinations and
sequences not described in Table 3–1. These other
combinations represent special or unusual conditions that are
beyond the scope of this table.
Chapter 3 Operating the Cartridge Tape Drive
Middle LED (SCSI)*
On green
Flash irregular**
Flash irregular
Flash irregular
Flash irregular
Flash irregular
Flash irregular
Flash irregular
Flash irregular
Flash irregular
Flash irregular
NOTE
Bottom LED (motion)
On
Off***
Off
Off
On
Flash slow
Flash fast
On
Off
Flash fast
Flash slow
in the "About This
viii
3–3
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