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Diagnostic Tools 9-5
NEC MH150/MH160 Mobile Handset Administration Guide - Revision 2
Screen 2
• Jitter - average error or “wobble” in received packet timing, in
microseconds
• Last successful transmit data rate (LastRate)
• Gateway type (GatewyType)
Figure 9-6
Diagnostics screen 2
J i t t e r n n n n
L a s t R a t e n n n n
G a t e w y T y p e n n n n
Where:
mnemo - a mnemonic that indicates what type of gateway is being used
• 11Mb - this system can run at full speed
Screen 3
Screen 3 contains a list of the APs that are heard and the following
parameters from each AP:
• Indicator as to whether this is the current AP or an index into the list
of other
APs heard (C indicates current)
• Last 2 octets of the MAC address of the AP (mmmm)
• Channel number (ch)
• signal strength (ss)
• Either the 802.11 Association ID from the current AP or a mnemonic
for
the reason code indicating why the handset didn't hand off to this
other AP
Figure 9-7
Diagnostics screen 3
C : mmmm c h - s s a i d
1 : mmmm c h - s s mn e m
2 : mmmm c h - s s mn e m
3 : mmmm c h - s s mn e m
Where:
• AP mnem - a mnemonic indicating the reason code:
• Unkn - reason unknown
• Weak - signal strength too weak
• Rate - one or more basic rates not supported
• Full - AP can not handle bandwidth requirements
• AthT - authentication t
imeout