Iridium Pilot - 15 Access Denial; 16 Performance Problems

4: TROUBLESHOOTING
32 Iridium Pilot™ Installation Guide
15. Access Denial
Denial of access will be indicated by amber Voice and Data LEDs on the BDE. Check the IBSU status webpage
under the “Satellite Connection” heading for the Access Denial code. This may be helpful in diagnosing the
problem with your service provider or Iridium customer support.
Reason Details Suggested Action
SIM non-functional TMSI/IMSI Invalid Contact service provider and
install a new SIM
Network rejection Authentication Failure • Replace SIM with known
good device
• Potential Transmitter failure
Network rejection IMEI Blacklisted Contact service provider to rectify
the status at the Iridium network
ADE RF transmission prohibited Indeterminate Location • Check GPS LED for Green
indication
• Check GPS status on the
webpage for “OK”
• If OK call service provider
ADE RF transmission prohibited ADE does not have a valid GPS
location x
• Wait for the vessel to move to a
dierent geographic location
• Contact Iridium customer
support for assistance
16. Performance Problems
Voice and data problems can be attributed to several causes.
1. User expectation can be the rst order of problem resolution. Is the IBSU provisioned for all the service levels
the customer expects? Is the voice performance consistent with satellite communications? This may not be
as good as the end user expects. Is the data rate slow due to abnormal application interaction with the IBSU?
Is the user expecting the “ramp-up” time?
2. The voice and data may be actually impeded due to:
a. Interference on the vessel
b. Blockage of the ADE view of the sky
c. Interference caused by an adjacent vessel while in port.
3. Voice quality is poor
a. Potential issue with terrestrial network the Iridium Pilot unit is attempting to connect to.
Attempt to place a call to an alternate exchange and assess call quality.
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