2N Analogue UMTS gateway 2N SmartGate UMTS - Manual, 1699 v1.1.0 - Manual (Page 77)

Troubleshooting 6.2
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6.2 Troubleshooting
For tips for the solution of other potential problems see faq.2n.cz .
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No LED is on after power up
u Check the power supply.
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All LEDs are on. No call is currently in progress.
u 2N® SmartGate UMTS is in the special PCManager-based programming
mode - exit the PCManager to reset SmartGate UMTS
u Try to switch 2N® SmartGate UMTS off and on, the LEDs should go off in
3s and signal the status of SmartGate UMTS
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2N® SmartGate UMTS does not register to UMTS/GSM
u Check the SIM card.
u Check the PIN.
u Check the antenna connection.
u Select a place with a good UMTS/GSM signal.
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No tone can be heard after line off-hook
u Check the telephone line connection.
u 2N® SmartGate UMTS is not initialized properly upon start (approx. 10s
after power up).
u 2N® SmartGate UMTS is not supplied with power.
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2N® SmartGate UMTS keeps transmitting a tone during dialing, not receiving
the dialing
u Select the correct dialing type (DTMF or pulse).
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Voice disturbance on telephone lines during UMTS/GSM call
u Check signal strength using PCManager monitor. Place 2N® SmartGate
UMTS to place with good UMTS/GSM signal.
u Check distance between telephone lines and SmartGate UMTS’s antenna.
Distance between antenna and other telecommunication systems should
be as long as possible.
u If there are still problems, use the antenna with coax cable.