AT&T 75 Wiring Manual page 427

66-TYPE HARDWARE
4. 66-TYPE HARDWARE—SYSTEM 75 OR SYSTEM 75 XE INSTALLATIONS
GENERAL
Figure 4-1 shows the equipment required to install a System 75 or System 75 XE. A
description and explanation of each piece of equipment follows. Ordering information is
provided at the end of each description.
The sites shown in Figure 4-1 are physical locations (closets) for pass-through connections
where adjunct power may be applied. The satellite is a physical location (closet) where
cross-connect administration can take place and adjunct power may be applied.
Figure 4-1. Block Diagram of System 75 or System 75 XE Installation
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