21
Slot Mapping
wires (and DC power to a lesser degree) should also be routed separately. AC lines can
have large switching current noise spikes that could couple into signal lines.
Figure 5: Typical Star Grounding System
Slot Mapping
Slot mapping gives a reference of the channel number, type of channel, channel
nomenclature, and plug designator used throughout this and other manuals. The slot map
is necessary in order to complete the configuration and wiring of the system, and
necessary to maintain the system. Usually the Zetron factory will prepare a slot map to
your specifications, especially if you requested factory programming, since the map is
required before the system can be programmed. If prepared at the factory, you will find a
copy of your slot map with this manual. Even if the slot map has been provided, you are
encouraged to continue to read this section.
The first step in preparing your slot map is to become familiar with the channel cards and
option boards contained in the console. Open the desktop console by unscrewing the two
Caution!
Do not connect signal ground to the central star ground. The
conditioning and reference of the signal grounds is controlled
inside the Zetron equipment. The system will be more
susceptible to noise interference.
!
Power
Supply
Jack Box
Console
Protected
Punch-Down
Block 3
Protected
Punch-Down
Block 2
Protected
Punch-Down
Block 1
Grounding stud on
Console Back
Содержание 4010
Страница 1: ...Model 4010 Radio Dispatch Console Installation and Programming 025 9227S ...
Страница 46: ...Console Installation 46 025 9227S ...
Страница 78: ...Option Installation 78 025 9227S ...
Страница 134: ...Appendix D Troubleshooting 134 025 9227S ...