C-7
Appendix C Subscriber Unit Event Log Messages
Redline Communications Inc. Confidential and Proprietary
FPC (nn) Current: [nn].
Anomaly: Too Low
Fast power control (FPC) request log
Information only. There is no action required.
FPC (nn) Current: [nn].
Success
Fast power control (FPC) request log
Information only. There is no action required.
Frag: Missing last fragment.
Chain lost
Debug message. Fragmentation error This could be the result of poor reception, RF
issues, interference. See “Troubleshooting
Wireless Link Issues” on page 5-18.
Frag: Prev fragment missing.
Subheader: XXXX
Debug message. Fragmentation error. This could be the result of poor reception, RF
issues, interference. See “Troubleshooting
Wireless Link Issues” on page 5-18.
Frag: Wrong fsn. Subheader:
XXXX, expected [nn]
Debug message. Fragmentation error. This could be the result of poor reception, RF
issues, interference. See “Troubleshooting
Wireless Link Issues” on page 5-18.
Initial Ranging at Maximum
Power [Adj.: +nn]
The subscriber unit has begun initial
ranging with a sector controller, and
has reached its maximum Tx power
while attempting to establish
communication.
During ranging, the subscriber unit will adjust its
power up until it receives an acknowledgement
from the sector controller. If it reaches its
maximum Tx power, it displays this message,
then begins the cycle again at its lowest Tx
power.
Frame number nn nn
This message provides additional
information for another message.
Information only. There is no action required.
Frequency Table Invalid, Can't
start Initial scan
System Error
Contact
Initial Ranging Req Tx (nn x
0.01 dBm)
Initial range request transmission
reporting the power level reported.
Information only. There is no action required.
Initial Ranging at Minimum
Power [Adj.: +nn]
The subscriber unit has started initial
ranging with a sector controller, and
has reached its minimum Tx power
while attempting to establish
communication.
Initial Ranging Backoff
Contention was encountered with
another subscriber unit while
attempting to perform initial ranging.
The subscriber unit will wait and try
again after the backoff interval.
This message is normal when a number of SS’s
are attempting to register at the same time.
Initial Ranging Parameters
Adjusted [TLV Map:
XXXXXXX]
This message displays the parameter
adjustments, requested by the sector
controller.
Information only. There is no action required.
Initial Ranging Success [TLV
Map: XXXXXXX]
Initial ranging has been completed
successfully. Parameter settings that
are being used are displayed.
Information only. There is no action required.
Table C-1
Subscriber Event Log Messages (continued)
Message
Description
Analysis