Chapter 1 Introduction
LTE3301-M209 User’s Guide
16
1.7.3 Rear Panel
The following graphics displays the rear panels of the Zyxel Device.
Figure 3 LTE3301-M209 Rear Panel
The following table describes the items on the rear panel.
LTE Signal Strength Green On A valid SIM card is inserted and the wireless WAN interface is
enabled.
Signal strength: Excellent
RSRP (Reference Signal Receiving Power) >= -79 dBm
Orange On Signal strength: Fair
-81 dBm >= RSRP >= -95 dBm
Red On Signal strength: Poor
-97 dBm > RSRP
Blinking There is no LTE signal because there is no valid SIM card inserted
and/or the wireless WAN interface is disabled.
WLAN/WPS Green On The Zyxel Device is ready and the 2.4GHz wireless LAN is on, but is
not sending/receiving data through the wireless LAN.
Blinking
(slow)
The Zyxel Device is sending/receiving data through the wireless
LAN.
Blinking
(fast)
The Zyxel Device is negotiating a WPS connection with a wireless
client.
Off The wireless LAN is not ready or has failed or WPS is disabled.
LAN Green On The Zyxel Device’s LAN connection is ready.
Off The LAN connection is not ready, or has failed.
Table 1 Front panel LEDs (continued)
LED COLOR STATUS DESCRIPTION
Table 2 Rear Panel Ports
LABEL DESCRIPTION
Antenna Connector 1&2 Install two external antennas to improve your wireless WAN signals.
LAN Ports 1-4 Connect a device with an Ethernet port that requires high-speed Internet access.
For example, connect a computer, NAS storage device, gaming console and so on.
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