Model 941 Required I/O Enclosures And Device Adapters (Based On Disk Enclosures) - IBM DS8800 Introduction And Planning Manual

enclosures that are installed on that storage unit. Look in the last two columns to
find the number of I/O enclosures and device adapters that you need on the
storage unit.
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Introduction and Planning Guide
Table 29. Model 941 required I/O enclosures and device adapters (based on disk
enclosures)
Storage Storage Unit
Unit Type Configuration
941 Base model
(2-way) (stand-alone)
storage
unit
941 Base model
(4-way) (stand-alone)
storage
Base model +1
unit
expansion model
Base model +2
expansion models
Notes:
1. Each device adapter feature code represents one device adapter pair.
2. The maximum quantity is two device adapter features for each I/O enclosure feature in
the storage unit.
3. Each I/O enclosure feature represents one I/O enclosure pair.
Disk Enclosure Required Device
Features (12x0) Adapter Features
(30x1) (Note 1
and 2)
1 - 2
3 - 4
1 - 2
3 - 4
5 - 6
(2 in base model;
1 in expansion
7 - 8
(2 in base model;
2 in expansion
9 - 10
(2 in base model;
3 in expansion
11 - 12
(2 in base model;
4 in expansion
13 - 14
(3 in base model;
15 - 20
(4 in base model;
Required I/O
Enclosure
Features (1301)
1 2
2 2
1 2
2 2
3 4
(2 in base model;
2 in expansion
model) model)
4 4
(2 in base model;
2 in expansion
model) model)
5 4
(2 in base model;
2 in expansion
model) model)
6 4
(2 in base model;
2 in expansion
model) model)
7 4
(2 in base model;
4 in first 2 in first
expansion expansion
model) model)
8 4
(2 in base model;
4 in first 2 in first
expansion expansion
model) model)