Western Telematic PLS-345 - Manual (Page 10)

Ä RDY: Flashes when the PLS-345 is ready to receive
commands.
Å RXD: Flashes when the PLS-345 receives commands.
Æ Master A/B Switch: Used to manually switch all three
circuits. When the "A" or "B" button is pressed, all three
circuits will be switched to the corresponding "A" or "B"
line, and the appropriate status LED on each circuit
will light.
2.2. Back Panel
À Circuit 1 Connectors and Indicators: RJ45 connectors
and LED status indicators for the Circuit 1 common line
and "A" and "B" lines.
A) "A" Connector and Status LED: The status LED
will light when line "A" is selected.
B) "B" Connector and Status LED: The status LED
will light when line "A" is selected.
C) Common Connector: For connection to Common
Line 1.
Á Circuit 2 Connectors and Indicators: Same as item 1
above, except these components are used for connection to
the Circuit 2 "A", "B", and Common lines.
 Circuit 3 Connectors and Indicators: Same as item 1
above, except these components are used for connection to
the Circuit 3 "A", "B", and Common lines.
2-2
PLS-345 - Physical Layer Switch; User's Guide
Figure 2.2: Back Panel