User's Manual

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E1 Spread Spectrum Radios
8-15
Figure A: Normal connection mode.
Figure B: Local and remote port1 & port2 in cross connection mode and port3 & port4 in normal connection
mode.
Figure C: Local port1 connected to remote port1 & port2. Local and remote port3 & port4 are in normal
connection mode.
Figure D: Local and remote port in cross connection mode between ports 1&4, 2&2, 3&1 and 4&3.
8.2.6 Alarm Mask Setting
Figure 8-21 Alarm Mask Setting
This subpage allows you to set the configurations to whether or not mask some of the alarms.
9 When the IDU goes into a critical state, the alarm will start beeping. However, in some cases like if the
administrator considers the Link ID unimportant, s/he may tick masked and turns off all the alarm
functions.
Link ID Alarm Masked: The alarm that local and peer remote equipments don’t have the same Link ID.
BER Alarm Masked: The alarm that BER has been over the threshold.
ODU Tx_POW Alarm Masked: The alarm that ODU output power has been over the threshold.
Tributary n LOS Alarm Masked: The alarm that IDU cannot find the tributary signal.