Display and Control Elements
MLR 3G 2.0
4.1
Meaning of the Displays
LED
Colour Function
off
flashing blinking
on
yellow Link 10 Mbit/s
Switch
LAN 1-4
green
Link 100 Mbit/s
Data traf-
fic
connected
Power green Supply
missing
present
green Connect
COM
orange PPP link
offline
established
green
SIM card 1
Data /
Signal
orange SIM card 2
no signal
or logged
out
PPP
data
traffic
Field
strength
(see Table
6)
green VPN
Client or
server estab-
lished
Status /
VPN
red Status
Initialization,
FW update,
fault
Table 5: Meaning of the LED displays
Blinking interval LED sig-
nal
Quality
Signal quality
900 ms on, 100 ms off
20 .. 32
very good
200 ms on, 200 ms off
13 .. 19
good
100 ms on, 900 ms off
0 .. 12
poor
off
99 (not detectable)
insufficient
Table 6: Blinking code of the data/signal LED
18