Harris Maxiva ULX User Manual

10/6/10 888-2629-200 6-5
WARNING: Disconnect primary power prior to servicing.
Section 6 Diagnostics
Maxiva ULX COFDM Series
6.4 Fault Tables
The following tables provide a listing of Maxiva Transmitter faults along with a brief
description, the fault level or threshold and the action taken by the transmitter.
Table 6-1 Maxiva Drive Chain Fault List
TYPE Description Fault Level or
Threshold
Transmitter
Action
Three
Strike
Available
in Life
Support
IPA A Fault: Power
Supply, LDMOS,
VSWR, Power
Overload, Tempera
-
ture, Input Power
The IPA can report
up to 6 faults via
their parallel con
-
trol pins
Any one fault active IPA Switch to
alternate IPA if
in Auto Mode
YES YES
IPA B Fault: Power
Supply, LDMOS,
VSWR, Power
Overload, Tempera
-
ture, Input Power
The IPA can report
upto 6 faults via
their parallel con
-
trol pins
Any one fault active IPA Switch to
alternate IPA if
in Auto Mode
YES YES
PDU (Predriver) A
Fault
The Predriver cur-
rent is monitored
inside the PDU. A
fault is sent if it is
below the normal
minimum current.
Predriver current is
below TBD mA
IPA Switch to
alternate IPA if
in Auto Mode
NO YES
PDU Predriver B
Fault
The Predriver cur-
rent is monitored
inside the PDU. A
fault is sent if it is
below the normal
minimum current.
Predriver current is
below TBD mA
IPA Switch to
alternate IPA if
in Auto Mode
NO YES
Exciter A Power
Output
Exciter A power
level low
Trip point is 50% of
nominal. Trip point
adjustable by epot
Exciter Switch
to alternate
Exciter if in
Auto Mode
NO YES

Harris Maxiva ULX Specifications

General

Brand	Harris
Model	Maxiva ULX
Category	Transmitter
Language	English