![VersaLogic Viper VL-EBX-38EBP Hardware Reference Manual Download Page 32](http://html1.mh-extra.com/html/versalogic/viper-vl-ebx-38ebp/viper-vl-ebx-38ebp_hardware-reference-manual_1006783032.webp)
Board Features
EBX-38 Hardware Reference Manual
22
LED
Description
Location
J7
Integrated RJ45
Ethernet 1 LEDs
Left is green (link/activity), Right is yellow (1Gbit
Speed) indicator.
P
ROGRAMMABLE
LED
User I/O connector J4 includes an output signal for attaching a software controlled LED.
Connect the cathode of the LED to J4, pin 16; connect the anode to +3.3 V. An on-board 120
Ω
resistor limits the current when the circuit is turned on. A programmable LED is provided on the
CBR-4005B paddleboard. See Figure 24 on page 52 for the location of the Programmable LED
on the CBR-4005B paddleboard.
For instructions on how to switch the Programmable LED on and off, refer to the
EBX-38
Programmer’s Reference Manual
(available on the
EBX-38 Product Support Web Page)
External Speaker
A miniature 8
Ω
speaker can be connected between user I/O connector J4, pin 15 (SPKR#) and
J4, pin 13 (V3P3). A speaker is provided on the CBR-4005B paddleboard. See CBR-4005B
Paddleboard on page 51 for the location of the speaker on the CBR-4005B paddleboard.