SYS Fault: System Fault
FAULT P1: Loss of signal at Port1
FAULT P2: Loss of signal at Port2
RD P1: Transmit Data Port1
TD P1: Receive Data Port1
RD P2: Transmit Data from Port2
TD P2: Receive Data on Port2
Test: System under Test
LCD with front panel switches
16x2 LCD for System Information, Configuration & Fault Diagnostics