Daktronics AB-1010 - Manual (Page 37)

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 17 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 connected to display out or terminated
Field cabling between SC and display is bad,
incorrectly. RX
OFF Steady Normal state, SC is not receiving data.
Brief Flicker SC is receiving data.
0A-1127-0237 – Wire
The following tables list the jack pin-outs for a wire signal converter.
J2 & J3 - RJ/11 J4 & 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
Figure 17: Signal Converters
J1 25 Pin DB-F
PIN OPERATION
2 TX-P (out)
3 RX-P (in)
7 GND
Appendix B: Signal Converter B-1