Telular SX3e User Manual

RED

Flashing

Malfunction. Hardware fault detected

RED

Continuous

No cellular service

YELLOW

Continuous

Moderate cellular signal strength, voice

YELLOW

Flashing

Moderate signal strength, fax /data

GREEN

Continuous

Best cellular signal strength, voice

GREEN

Flashing

Best signal strength, fax/data

RED/GREEN

Flashing

Diagnostic/programming mode

OFF

None

No Power

1) Plug in the AC power supply . 
2) Wait approximately 10 seconds for the unit 

to initialize.

3) Then, the LED indicator on the front of your

Phonecell will turn ON. The LED Status Table
below describes the modes and operation of 
this 3-color indicator.

Once your Phonecell SX3 is installed and tested, it’s ready for operation.

1) Pick up your telephone handset (your phone is now “off-hook”).

2) Listen for dial tone (If service is not available, a No-Service tone is 

3) Dial the phone number. 

••

When your telephone rings, pick up the handset and begin talking.

••

Hang-up the phone (place the handset back onto the telephone cradle).

When you initiate the Hookflash function, it automatically lets you:

••

Speed up the connection after you dial a phone number. 

••

Answer an incoming call that occurs when you’re dialing a phone number.

••

Use special (supplementary) cellular services which may be available
in your cellular service area (see Special Cellular Services on page 16).

Depending upon your phone, there are two ways to initiate the Hookflash function: 

••

Press the dedicated “HOOKFLASH” or  “FLASH” key on your telephone.

••

Press the hang-up or switch-hook mechanism on your phone once quickly
(approximately 

-second).