L-DALI User Manual
47
LOYTEC
Version 5.2
LOYTEC electronics GmbH
4.4 LED signals
4.4.1 LDALI-3E10X and LDALI-ME204
4.4.1.1 Power LED
The L-DALI power LED lights up green when power is supplied to terminals 24, 25, and
26.
4.4.1.2 Status LED
The L-DALI is equipped with a red status LED (see Figure 37). This LED is normally off.
During boot-up the status LED is used to signal error conditions (red). If the fall-back image
is executed the status LED flashes red once every second.
4.4.1.3 FT Activity LED (LDALI-10X only)
The FT port on the LDALI-3E10X has a three-color LED (green, red, and orange, see
Figure 37). Table 2 shows different LED patterns of the port and their meaning.
Behavior
Description
Comment
GREEN flashing fast
Traffic
GREEN flashing at 1Hz
L-DALI is unconfigured
RED permanent
Port damaged
RED flashing fast
Traffic with high amount of errors
RED flashing at 1 Hz
(all ports)
Firmware image corrupt
Please upload new firmware
ORANGE permanent
Port disabled
e.g. using LSD Tool
Table 2: CEA-709 Activity LED Patterns.
4.4.1.4 MSTP Activity LED (LDALI-20X only)
The MS/TP port on the LDALI-ME20X has a three-color MSTP Activity LED (see Figure
37). Table 3 shows the different LED patterns of the port and their meaning. A permanent
color reflects a state. Flicker is for 25 ms when there is activity on the MS/TP data link
layer.
Behavior
Description
Comment
GREEN permanently,
flicker off
Multi-Master, token ok, flicker when traffic
Normal condition on a multi-master
MS/TP network.
ORANGE flicker
Sole master, flicker when traffic
Normal condition on a single-master
MS/TP network.
RED permanent, flicker
GREEN
Token lost state, flicker when transmit
attempt
Cable might be broken.
RED flash fast
Transmission or receive errors
This indicates bad cabling.
Table 3: MS/TP Activity LED Patterns.
4.4.1.5 Ethernet Link LED
The Ethernet Link LED lights up green whenever an Ethernet cable is plugged-in and a
physical connection with a switch, hub, or PC can be established.