User Manual NTU Orion 2
67
Table 4.3 «<ALARM> - definitions».
Definitions (E1-1, E1-2):
LOS-S Loss of signal on the Е1 side
LFA-S Loss of frame alignment on the E1 side
AIS-S Receiving AIS on the E1 side
AIS-R Receiving AIS on the E1 side by a remote device
BER-S The block error rate on the Е1 side exceeded the admissible value
LOOP1 A loop is activated on the network interface in the direction of the Е1 equipment
Definitions (Ethernet):
LOS-E Loss of signal on the Ethernet interface
Definitions (xDSL):
LOS Loss of signal in xDSL
LOSW Loss of signal or frame alignment in xDSL (loss wire)
SEGD A failure in the line (segment degradation)
BER-H The block error rate in the line is according to G.826 ≥ 30%
ALB Analog loopback is active
SEGA Error data or error frame alignment (segment alarm)
NM NoiseMarging < NM threshold
LA LoopAttenuation > LA threshold
LOOP2 A loop is activated on the line interface of a remote device in the direction of the local
device
RCONF Configuration of the remote device is not compatible with the configuration of the
local device (for example, the local device is configured to transmit Ethernet data,
while the remote device is configured to transmit two E1 streams)
Definitions (Maintenance):
HW-F Hardware failure
DSL-F DSL failure
Option: T – enable the continuous updating of the table of actual alarm statuses.
4.6.4.7 <LOOP1 ON/OFF [N=1..4]> command
The <LOOP1 ON/OFF [N=1..4]> command activates/deactivates the local loopback on the
network interface (E1 interface).
CO_FMM>LOOP1 ON 1
Local loopback on E1-1 interface has been set
CO_FMM>LOOP1 OFF 1
Local loopback on E1-1 interface has been cleared
CO_FMM>
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