N-1000-III/IV
Section 6: Wiring Requirements
Section 6: Wiring Requirements
Section 6: Wiring Requirements
Section 6: Wiring Requirements
Section 6: Wiring Requirements
6-15
6-15
6-15
6-15
6-15
Figure 6-13.
485 Multi-drop Bias and EOL
If the N-485-PCI-2 (or HUB-2) is wired
between two panels and not at the end of the multi-drop communications wiring, terminate the
last panel at one end only with JP 2 and JP 3 inserted and JP 4 off.
PCI-2
Personal Computer
running NCI software
PCI-2
Personal Computer
running NCI software
PCI-2
Personal Computer
running NCI software
Fiber modem with
EOL but no Bias
When the PCI is at the end of the drop line, it provides bias and EOL
for the line. The N-1000 at the right provides EOL for the other end.
JP2 & 3 OFF–no bias, no EOL
JP4 OFF–no EOL
Green/White
Connected–EOL, bias
When the PCI is not at the end of the drop line, JP2 and JP3
provide bias and EOL at one end and JP4 provides EOL at the other.
Green/White
Connected–no bias, no EOL
Not
In this configuration, the PCI provides bias
for the left side, JP2 & JP3 provide it for the right.
Green/White
Connected–bias, EOL
JP2 & 3 OFF–no bias, no EOL
JP4 OFF–no EOL
JP2 & 3 OFF–no bias, no EOL
JP4 ON– EOL
JP2 & 3 ON–bias, EOL
JP4 OFF–no EOL
JP2 & 3 OFF–no bias, no EOL
JP4 OFF–no EOL
JP2 & 3 OFF–no bias, no EOL
JP4 ON– EOL
JP2 & 3 OFF–no bias, no EOL
JP4 OFF–no EOL
JP2 & 3 OFF–no bias, no EOL
JP4 OFF–no EOL
JP2 & 3 ON– bias, EOL
JP4 ON–EOL
Содержание N-1000-III
Страница 1: ...N 1000 III IV Installation and Programming Manual TD1064 rev0400 NCI ADEMCO Part K4788 ...
Страница 3: ...ii ii ii ii ii N 1000 III IV ...
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