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$95 HD/LINKer - Invensys Rail

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VIRTUAL CIRCUIT EXAMPLES<br />

GROUP X GROUP Y GROUP Z<br />

TR<br />

B(+)<br />

N(-)<br />

POLE<br />

LINES<br />

TR<br />

N(-)<br />

B(+)<br />

Document No.: SIG-00-97-08 Version: C<br />

HR<br />

B(+)<br />

N(-)<br />

B(+)<br />

POLE<br />

LINES<br />

TR<br />

R<br />

POLE<br />

LINES<br />

HR<br />

B(+)<br />

N(-)<br />

SIGNAL<br />

LIGHTS<br />

DR<br />

B(+)<br />

N(-)<br />

G<br />

B(+)<br />

R<br />

Y<br />

POLE<br />

LINES<br />

12-2<br />

HR<br />

SIGNAL<br />

LIGHTS<br />

DR<br />

B(+)<br />

N(-)<br />

B(+)<br />

G<br />

R<br />

Y<br />

SIGNAL<br />

LIGHTS<br />

DR<br />

G<br />

Y<br />

hdl12-1<br />

08-07-00<br />

Figure 12-1<br />

Four-Wire, Unidirectional, Unipolar Aspect Circuit Simplified Schematic Diagram

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