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When read by a bar code reader, the bar code identifies the cartridge's VOLSER to
the library. The bar code also identifies the cartridge is a data cartridge or cleaning
cartridge. In addition, the bar code includes the two-character media-type identifier
Lx, where x equals 1, 2, or 3. L identifies the cartridge as an LTO cartridge. 1
indicates that the cartridge is the first generation of its type; 2 indicates that the
cartridge is the second generation of its type; 3 indicates that the cartridge is the
third generation of its type. Figure 10 shows a sample bar code label for the LTO
Ultrium Tape Cartridge.
Tape cartridges can be ordered with the labels included or with custom labels. To
order tape cartridges and bar code labels, see "Ordering Media Supplies" on page
42. Bar code usage in IBM tape products must meet predefined specifications. They
include (but are not limited to):
v Eight uppercase alphanumeric characters, where the last two characters must be
L3, L2, or L1
v Label and printing to be non-glossy
v Nominal narrow line or space width of 0.423 mm (0.017 in.)
v Wide to narrow ratio of 2.75:1
v Minimum bar length of 11.1 mm (0.44 in.)
To determine the complete specifications of the bar code and the bar code label,
visit the web at http://www.ibm.com/storage/lto, or contact your IBM Sales
Representative.
When attaching a bar code label to a tape cartridge, place the label only in the
recessed label area (see 5 in Figure 8 on page 23). A label that extends outside of
the recessed area can cause loading problems in the drive.
Attention
Do not place any type of mark on the white space at either end of the bar
code. A mark in this area may prevent a bar code reader from reading the
label.
Figure 10. Sample bar code label on the LTO Ultrium 3 Tape Cartridge. The volume serial
number (LTO123) and bar code are printed on the label.
Guidelines for Using Bar Code Labels
Apply the following guidelines whenever using bar code labels:
v Use only IBM-approved bar code labels on cartridges to be used in an IBM tape
product.
v Do not reuse a label or reapply a used label over an existing label.
L
T
O
1
2
3
L3
Using Ultrium Media
27
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