Installation
9711QOR-86 C & Ku-Band TXRX
3-38
Shorted provides GPS latitude & longitude, in alternating GGA & GLL formatted messages, to be
outputted on the Terminal Mounting Strip NMEA output terminals. This hardware connection is also
routed to the Console and OBM RJ45 ports.
Open disconnects the GPS output from the Terminal Mounting Strip NMEA output terminals.
3.10.7.2.
J1 “Modem Console Port” connector
FCC compliance connection to an iDirect Satellite Modem can be made very easily by connecting a
Straight Serial RJ-45 cable from the J1 “Modem Console Port” connector on the Terminal Mounting
Strip to the Console port on the iDirect Modem. Your modem must be set
If your modem is Open AMIP compatible and you wish to use it in an Open AMIP configuration you
will use an Ethernet patch or cross-over cable as is appropriate to connect to your LAN.
Refer to the Setup – Modem Connections, Setup and Test chapter for more information.
3.10.7.3.
J2 “OBM Port”
The Out of Band Management port is used to connect the ACU to the out of band management
device, through the Terminal Mounting Strip. This port is also a straight Serial RJ-45 port.
3.10.7.4.
TS1 Control Interface Connections.
AGC & GND - External AGC, or Modem Lock, input.
•
External AGC input to the DAC-2202 must be 0 to 15 Volts DC analog signal, positive going
voltage proportional to satellite
signal input level and must be
real-time in its response to
antenna pointing.
•
External Modem Lock from a
satellite modem is used as a
positive ID that the antenna is on
the desired satellite. This input
is NOT used for Tracking
purposes, it is only used for
satellite identification to acquire
the correct satellite during search.
To enable the external modem
input you must include a 2 in the
SYSTEM TYPE parameter (If your
system type is presently 76 or 77,
then change it to 78 or 79) and
NID MUST be set to 0000.
•
Connections - The modem
lock signal connects to EXT AGC
and a GND reference from the
modem. The expected signal
from the modem allows 0VDC to
+15VDC. Low voltage indicates
modem lock, high voltage
indicates modem unlock.
•
Testing - The input connections
from the modem can be tested
by selecting the external AGC
input and monitoring the
displayed value. To select
external AGC, set the tuning
frequency to 0000. Normally,
AGC readings below 2048 are
considered a low condition and
indicate modem lock and AGC
readings above 2048 are
considered a high condition and indicate modem unlock.
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Страница 188: ...9711QOR 86 Technical Specifications 9711QOR 86 C Ku Band TXRX 22 8 This Page Intentionally Left Blank ...
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