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## 4.1 Hardware installation and infrastructure planning 

This section describes planning information that is related to your TS7700. The topics that are covered include system requirements and infrastructure requirements. Figure 4-1 shows an example of the connections and infrastructure resources that might be used for a TS7700 grid configuration with two separate data centers. 

<img src='content_image/1001511.jpg'>

The letters that are shown in Figure 4-1 refer to the following items: 

GLYPH<SM590000> A: 3584-L23 library control frame 

3584-L25 library control frame 

GLYPH<SM590000> B: 3584-D23 frames with 3592, TS1120, TS1130, TS1140, or TS1150 drives, 3584-S24 HD storage frames 

3584-D25 frames with TS1140 or TS1150 drives, 3584-S25 storage frames 

GLYPH<SM590000> C: 3584-HA1 frame and 3584-D23/HA frame (optional) 

GLYPH<SM590000> D: 3592 Advanced media type JA/JB/JC/JD and 3592 Advanced Economy media type JJ/JK/JL data cartridges for the data repository 

3592 Advanced media type JA/JB/JC/JD and 3592 Advanced Economy media type JJ/JK/JL data cartridges for the data repository 

GLYPH<SM590000> F: Total Storage System Console (TSSC) for IBM Service Support Representatives (IBM SSRs) and Autonomic Ownership Takeover Manager (AOTM) 

