Hardware Installation Manual  20  Document #: LTRT-10444 
Item #  Label  Description 
7 
FE LAN 
Up to four Fast Ethernet (10/100Base-T) ports (RJ-45) for 
connecting to LAN network such as IP phones, computers, and 
switches. These ports support half- and full-duplex modes, auto-
negotiation, and straight or crossover cable detection. 
8 
 
Wi-Fi pinhole button for enabling and disabling Wi-Fi. Use a paper 
clip or any other similar pointed object to press the button. 
Note: The Wi-Fi button is available only for models ordered with the 
Wi-Fi functionality. 
9  FXS / FXO / BRI  Telephony interfaces, depending on ordered configuration: 
  Up to two ISDN BRI port interfaces (RJ-45) 
  Up to four FXS port interfaces (RJ-11) 
  Up to four FXO port interfaces (RJ-11) 
10 
- 
Multiple-input and multiple-output (MIMO) 2Tx/2Rx antennas, 
operating in the 2.4 GHz frequency range for wireless LAN 
802.11n/b/g (Wi-Fi) access point functionality. 
Note: The Wi-Fi antennas are applicable only to models ordered 
with the Wi-Fi functionality. 
 
3.3.1  LAN Interface LEDs 
Each Ethernet port provides a LED for indicating LAN operating status, as described in the 
table below. 
Table  3-10: LAN LED Description 
LED 
Color 
LED 
State 
Description 
Green 
On  Ethernet link established. 
Flashing  Data is being received or transmitted. 
- 
Off  No Ethernet link.