Ethernet Interface Operation Revision 4
CDM-760 Advanced High-Speed Trunking Modem MN-CDM760
7–43
7.4.4.3.7 Configuration | Mask
Use this page to set a mask type for each system-level event.
Figure 7-23. Configuration | Mask Page
Alarm Settings
Use the drop-down list for each item to select Alarm, Fault, Mask, or, where applicable, Fault-Tx
On.
Modem behaviors reflect the set mask state:
Selection (Mask) Event Description
Ext Reference
Occurs when an external reference is the clock for the modem's TX,
but the external reference does not meet the expected clock rate.
X X X
RxAGC
Occurs when the Receive Automatic Gain Control cannot
compensate for the carrier power level because the carrier has too
little or too much power.
X X X
Es/No Threshold
Occurs when the Receive Es/No is at or below the Receive Es/No
Alarm point
X X X
DeComp Invalid
Occurs when packets are received by the demodulator and its
decompression setting does not match the compression setting for
the far side modulator.
X X X
LNB
Occurs when the high or low current limits for the Low Noise Block
Down Converter have been met.
X X X
Eth Link Down
Occurs when an Ethernet Interface is selected using the CONFIG:
Intf menu (Chapter 6 FRONT PANEL OPERATION Sect. 6.2.2.4)
as the active interface, but an Ethernet cable with Ethernet traffic
has not been detected on this physical port.
X X X X
AUPC
Occurs when the Tx output power has reached the Nominal +
Range sum (upper limit) and the modem can no longer increase its
Tx output power, but the remote reported Es/No is still lower than
X X X
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