User manual

001-5099-000 HiPR-900 User Manual
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♦ Flags: Hexadecimal without a leading “0x)
0 = DC input
1 = PoE input
2 = 5 °C from “Overtemp” alarm (for DC input)
1
3 = 5 °C from “Overtemp” alarm (for PoE input)
1
♦ Volts: Decimal indications in decivolts when source is DC input (125 for 12.5V)
Decimal indication is a low number (typically 5) when source is PoE
♦ Temperature: Decimal internal unit temperature in Celsius degrees
♦ Packet error rate (or PER): 0 or negative decimal value
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
good
bad
10
log10
See Figure 36 for details
Thus, -51 is CRC error rate of 10
-5.1
(since reset or when net stats were cleared). See Table 7.
Table 7 - Simplified rating of output value representing Packet Error Rate (PER)
Figure 36 - Packets Counts for PER
1
The “overtemp” limit default is 80 °C
Basic
Packet
Header
Validation
Not
Valid
Valid
32-Bit
CRC
“Good” Packets Counts for
Packet Error Rate
“Bad” Packets Counts for
Packet Error Rate
Incoming
Packets
Value –10 Bad
Value –20 Mediocre
Value –30 Good
Value –40 Very Good
Value –50 Excellent