User's Manual Part 5

CORRECTIVE MAINTENANCE ROI-S05751
5-4
Input Voltage:
Indicates the power supply input voltage status.
When power supply is exceeding the limited,
“Alarm” is issued.
Power Supply:
Indicates the operating status of the power supply.
When power supply is abnormal, “Alarm” is
issued.
IF Cable Short:
Indicates the status of IF cable between IDU and
ODU. When a short circuit is caused between
ODU and the IDU, “Alarm” is issued.
Cable EQL: Indicates the status of IF cable equalizer. When
equalizer characteristics control is lost, “Alarm” is
issued.
XIF (for XPIC in SONET):
Indicates the status of XIF input signal of the Main
Master IDU and Sub Master IDU. When the XIF
input signal is lost, “Alarm” is issued and XPIC
function is reset.
XPIC Status (for XPIC in SONET):
Indicates the status of XPIC operation. When the
XPIC function is reset, “Reset” is indicated and
the “Reset” LED on the front panel is lit.
XREF (for XPIC in SONET):
Indicates the status of reference CLK signal used
for V/H signal synchronization. When the
reference OSC in the MODEM failure occurs,
“Alarm” is issued.
Linearizer Function:
Indicates the status of linearizer function.
OPR: When the linearizer function is used.
NO OPR:When the linearizer function is not used.
In this case, TX output power decreases
approx. 4 dBm from a standard value.
N/A: When the ODU is used without
linearizer function.
Linearizer: Indicates the linearizer operating status. When
linlearizer operation is improper in OPR condition,
“Alarm” is issued.