Black Box MWU2000-V35 Manual De Usuario

Descargar
Página de 132
 
77 
2.048Mbps Wireless Modem
TECHNICAL: 0118 931 2233 
Watch Alarms 
 
Alarms for V1.7 
 
LIU Alarms 
 
In the Counters and Tracers menu, type A to display the alarms of the monitored unit 
 
Message:  
Input CLK to LIU is 0 
 
Description:
 
  Appears in a unit with V.35/RS-530/X.21 hardware that is configured in 
software as an E1/T1 unit. 
 
Correction: 
  Select the correct LIU type in the LIU parameters menu. 
 
 
Message: 
 
LOS (all zeros signal) 
 
Description:  Indicates an all zeros signal to an E1/T1 or a Fractional E1/T1 LIU. This may 
be caused by a cable problem, or because the end equipment is not connected 
to the unit. 
 
Correction:   Check the cable and/or the connection of the end equipment to the unit. 
 
Message:  
AIS 
 
Description:   Indicates an all ones signal to an E1/T1 or a Fractional E1/T1 LIU. This may 
be caused by a problem in the cable, which connects the end equipment. 
 
Correction:  
Check the cable, which connects the end equipment
 
 
 
Message:
  
No
Input
CLK
to
LIU,
Set
End-Equipment
to
source
clock
 
Description:   Appears in V.35/RS-530/X.21 units that are configured as DCE EXTERNAL 
CLOCK or as DTE; indicates that the end equipment does not supply a clock 
to the LIU. 
 
Correction:   Configure the end equipment to supply the clock, and connect it to the 
modem..