Axcera INNOVATOR, Инструкция по эксплуатации

Страница: 47 / 121

UHF Analog Driver/Transmitter/ Chapter 3, Site Considerations,
Translator Installation and Setup Procedures
LX Series, Rev. 3 3-9
Port Type Function Impedance
J32 RJ-45 SCADA (Input / Loop-Thru) CAT5
J33 RJ-45 SCADA (Input / Loop-Thru) CAT5
J34 RJ-45 System RS-485 Serial CAT5
3.5.2 Initial Turn On
Once the unit has been installed and all
connections have been made, the
process of turning on the equipment can
begin. First verify that AC power is
present and connected to the
transmitter. Verify all cables are
properly connected and are the correct
type. Once all of these things are done,
the unit is ready to be turned on
following the procedures below.
NOTE: In systems with two exciters and
an exciter switcher, repeat the following
procedure with Exciter B as the On Air
exciter. The exciter switcher must in
Manual.
Turn on the main AC power source that
supplies the AC to the transmitter.
Check that the AC power plug is
connected to J1 on the rear of the
chassis assembly.
Monitor the LCD display located on the
front of the control/monitoring module
as you proceed through this section.
When the transmitter is in the operate
mode, the STB menu appears. When in
the standby mode, the OPR menu
appears. Press the NXT key after each
menu to continue through the sequence.
3.5.2.1 (Optional) Receiver Module
LEDs on Front Panel
Fault Indicators:
PLL 1 FLT
: This illuminates Red when
the Local Oscillator PLL is unlocked.
PLL 2 FLT : This illuminates Red when
the optional input frequency correcting
PLL is unlocked.
ALC FLT : This illuminates Red when the
ALC can not maintain output level.
Status Indicators:
DC ON I/P : This indicator will
illuminate Red when DC is applied to the
RF input center conductor.
MAN ALC : This illuminates Red when
the ALC can not maintain output level..
3.5.2.2 Modulator Module LEDs on
Front Panel
Fault Indicators:
AUR UNLOCK
: This illuminates Red
when the Aural IF PLL is unlocked.
VIS UNLOCK : This illuminates RED
when the Visual IF PLL is unlocked.
AUD OV DEV : This indicator will
illuminate Red when the audio over-
deviates the aural carrier.
VIDEO LOSS : This indicates the loss of
Video to the modulator, when Red.
OVER MOD : This illuminates Red when
the video is over-modulated.
Status Indicators:
ALT IF CW : This indicates that there is
an external IF CW signal applied to the
Modulator
10MHz PRES : This indicates the
presence of a 10 MHz reference input.