Siemens eWON4002 - Manual (Page 13)

eWON4002™
Installation Guide
page 10 of 35
ver 2.04
4 Front panel control LEDs
Figure 7: Front Panel leds description
POWER (green)
ON = Power Supply
12-24 VDC present
SER1 (green)
Serial port 1
Flashing = activity
(RX)
LINK (green)
ON = Ethernet
connected
DI=Input (green)
ON = logic 1
USER (bicolor)
Hardware status flashing
green = normal state (life):
±20 sec after power ON
Other modes, see “ Resets ”
MODEM (green)
ON = DCD
connected line
PSTN and GSM
D1 to D8:
Digital Input leds
RL1 and RL2
Relays leds
SER2 and SER3
(green): Serial
ports 2 and 3
Flashing = activity
(RX)
DO=Output
(green)
ON = logic 1
ACT (green)
Flashing = transmitting
Ethernet packets (TX)