User's Guide

Chapter 3 System Specifications
Barcode Requirements
Scalar i2000 Planning Guide 59
For SDLT I and SDLT II media barcodes, the library supports 14
characters for volume serial number plus a one-character media type
identifier. For specific media type identifiers, see below.
The barcode labels will provide the best results. Barcode labels from other
sources can be used, but they must meet the following requirements:
• ANSI MH10.8M-1983 Standard
• Number of digits: 6+1 (SDLT) or 6+2 (LTO)
• Background reflection: greater than 25 percent
• Print contrast: greater than 75 percent
• Ratio: greater than 2.2
• Module: 250 mm
• Print tolerance: ± 57 mm
Additional Requirements:
• Height of the visible portion of the barcode: 10 mm ±2 mm
• Length of the rest zones: 5.25 mm ± 0.25 mm
• No black marks should be present in the intermediate spaces or rest
zones
• No white areas should be present on the bars
Table 20 SDLT and DLT-S
Barcodes
Data Cartridge type Format Media Type Identifier
SDLT I SDLT-220 S1
SDLT I SDLT-320 S2
SDLT II SDLT-600 S3
DLT-S4 DLT-S4 S4