
LSX3100 User Manual, January 2017
© 2017 Global Payments Inc.
1
9
CONFIDENTIAL
Encrypting PIN Pad (EPP)
EPP Settings and
Indicators
Description
Power, DC input
LED LED1 on control
board always in solid
green
Control board
CPU/Firmware
LED LED5 on control
board always blinking
in green
Key press action
LED LED2 on control
board: no light at idle
state, but blinking in
red when key is
pressed
Jumper J1 firmware
download
Jumper J2 NVRAM
clear
Order of LEDs and
jumpers
Two pins not shorted
Two pins not shorted
LED1-J3-J1-J2-LED4-
LED2-LED3-LED5
EPP LEDs and Jumpers