NEC iPASOLINK EX Advanced, Инструкция по эксплуатации

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ROUTINE MAINTENANCE 3-7
iPASOLINK EX Advanced: O
PERATION
& M
AINTENANCE
GGS-000548-01E
3.3.2.1 PM Items
3.3.2.2 Monitoring Points
Figure 3-6 Monitoring Point and Range for Line Failure
Table 3-2 PM Items for MODEM
Monitor Type Description Spec.
RF BBE Background Block Error The sum of the background block error. ITU-T G.826
RF ES Errored Second The cumulative time in which more than
one block error per second was detected. ITU-T G.826
RF SES Severely Errored Second The cumulative time in which the BER of a
one second period exceeded a set
percentage (30%). ITU-T G.826
RF SEP Severely Errored Period The cumulative time in which the BER of a
one second period exceeded 10E-3. ITU-T G.826
RF UAS Unavailable Second The cumulative time in which the unit
remained inoperative. ITU-T G.826
RF OFS Out of Frame Second The total number of seconds of Out of
Frame condition, which is generated in 15
minute-blocks. (OFS is applied to the Total
only).
ITU-T G.826
RX Level (MAX) The minimum and maximum reception
level. ITU-T G.826
RX Level (MIN)
TX Power (MAX) The minimum and maximum output power. ——
TX Power (MIN) ——
TX Modulation Modulating value at radio transmission. ——
RX Modulation Modulating value at radio reception. ——
Facility Monitoring Item Monitoring Point Monitoring Range
Near-End
RF BBE, ES, SES-, UAS, OFS
1 2
➜
1
1
2