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Special Information for PTT Network Users
Appendix Overview
Introduction
The United Kingdom and other countries require that certain
installation information be provided about the DEC 3000 Model
500/500S AXP system communications, which is hosted within
the DEC 3000 Model 500/500S AXP system.
In This
This appendix describes the appropriate installation information
Appendix
for the 54-21147 module and includes the following topics:
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Service Categories
Host Power Rating
Module Isolation
Safety Warnings for UK Installations Only
Cable Approval
Supported Cables
Equipment Between the Approved Module and a Digital
Circuit (PTT)
Special Information for PTT Network Users E–1
E
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