Installation guide

Introduction
1.1 DECarray Overview
Viewing the DECarray from the front, note that the SF-series storage
enclosures and magazine tape ISEs are arranged in the DECarray cabinet as
follows (Figure 1–1):
• The DECarray has four levels, each with two storage enclosure positions.
The levels are numbered from the bottom up. Looking from the front,
odd-numbered positions are on the left, and even-numbered positions are
on the right, as shown in Table 1–1
Table 1–1 DECarray Storage Positions
Level Left Position Right Position
11 2
23 4
35 6
47 8
• Levels 1, 2, and 4 are reserved for SF-series storage enclosures only.
Storage enclosure upgrades are installed into these levels in the following
order: position 1, 2, 3, 4, 7, and 8.
• Level 3 is reserved for magazine tape ISEs. Magazine tape ISE upgrades
are installed first in position 5, then in position 6.
Note
The position numbers are visible on the right and left chassis side rails
when the front and rear doors of the storage array are open.
Specifications for the DECarray are shown in Table 1–2.
1–2 Introduction