Appendix B: Signal Converter
The following table gives the typical state of the signal converter when the LEDs are either on
or off. Refer to
Figure 37
below
for an illustration of the signal converters and the locations
of the various components.
LED Indicators
Typical States
ON
Signal Converter (SC) is receiving power.
SC is not receiving power.
PWR
OFF
Internal 1 AMP Fuse is bad.
SC is not connected to a serial port.
ON Steady
(If connected to serial port) Serial port or serial
cable may be bad.
OFF Steady
Normal state, SC is not transmitting data.
TX
Brief Flicker
SC is transmitting data.
ON Steady
Field cabling between SC and display is bad,
connected to display out, or terminated
incorrectly.
OFF Steady
Normal state, SC is not receiving data.
RX
Brief Flicker
SC is receiving data.
Figure 37:
Signal Converters
0A-1127-0237 – Wire
The following tables list the jack pin-outs for a wire signal converter:
J2 and J3 - RJ/11
J4 and J5 –
Phoenix
PIN OPERATION PIN OPERATION
1 GND
1 GND
2
TX-N (out)
2
RX-P (in)
3
TX-P (out)
3
RX-N (in)
4
RX-N (in)
4
TX-P (out)
5
RX-P (in)
5
TX-N (out)
6 GND
6 GND
Appendix B: Signal Converter
B-1
