6.1 Troubleshooting

For the most frequently asked questions refer to faq.2n.cz.

  • No LED is on after power up
    • Check the power supply.
  • All LEDs are on. No call is currently in progress.
    • 2N® SmartGate UMTS is in the special PCManager-based programming mode - exit the PCManager to reset SmartGate UMTS
    • Try to switch 2N® SmartGate UMTS off and on, the LEDs should go off in 3s and signal the status of SmartGate UMTS
  • 2N® SmartGate UMTS  does not register to UMTS/GSM
    • Check the SIM card.
    • Check the PIN.
    • Check the antenna connection.
    • Select a place with a good UMTS/GSM signal.
  • No tone can be heard after line off-hook
    • Check the telephone line connection.
    • 2N® SmartGate UMTS is not initialized properly upon start (approx. 10s after power up).
    • 2N® SmartGate UMTS is not supplied with power.
  • 2N® SmartGate UMTS  keeps transmitting a tone during dialing, not receiving the dialing
    • Select the correct dialing type (DTMF or pulse).
  • Voice disturbance on telephone lines during UMTS/GSM call
    • Check signal strength using PCManager monitor. Place 2N® SmartGate UMTS to place with good UMTS/GSM signal.
    • Check distance between telephone lines and SmartGate UMTS's antenna. Distance between antenna and other telecommunication systems should be as long as possible.
    • If there are still problems, use the antenna with coax cable.
  • 2N® SmartGate UMTS  does not communicate with PC
    • Check the serial cable connection.
    • Check the COM number setting on PC.
    • Check the COM parameters (1200-115200 bps, 8N1).
    • 2N® SmartGate UMTS is not registered to UMTS/GSM network.
    • A dialing or outgoing call establishing process takes place on SmartGate UMTS.
    • An incoming call is ringing on SmartGate UMTS.