RC4500 Antenna Controller Chapter 3 Mechanical & Electrical Installation
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<2> Maintenance Input – When current flows in the MAINTENANCE – MAINTENANCE RETURN circuit the controller assumes
that the AIU is able to accept drive commands from the controller. If current is not flowing in the MAINTENANCE –
MAINTENANCE RETURN circuit the controller disables antenna control and displays the ‘Maintenance’ alarm message.
This terminal also powers all of the RC4500’s isolated output drive circuits (AZ CCW/CW, EL DOWN/UP, POL CCW/CW, AZ/EL
FAST and DRIVE ENABLE.) 17 to 27 volts DC is required to power the controller’s output circuits. The current that powers the
output drive circuits flows out of the DRIVE COMMON terminals back to the AIU.
3.3.2.4 RF
RF is a 50Ω N Type female connector and is the input to an optional internal beacon receiver or spectrum
analyzer. This input accepts the output of an LNB (950-2150 MHz, -50 to -5 dBm.)
3.3.2.5 Integrated IP Option
The RC4500 may optionally include an integrated IP option that utilizes an Ethernet port on the enclosure.
The Ethernet port is identified as IP and consists of an RJ45 plug attached to the end of a length of CAT-
5e cable.
The Integrated IP Option in the AIU-7 is often used in conjunction with a single-mode fiber converter. The
RJ-45 connector may plug directly into the fiber converter.
User Interface Overview
The integrated IP option allows control of the RC4500 by using a web browser. A built-in HTTP server
communicates with the RC4500 using an internal serial port. The server allows control and feedback of
the current controller operation using a web-based user interface. Detailed information on the use of the
main user interface is given in the IP Appendix.
Configuration Interface Overview
The integrated IP option also contains a web-based configuration interface for the RC4500 antenna
controller. This provides a convenient method for end-users to modify commonly-changed settings. Also
available through this interface are the transfer of configuration files and firmware updates. Detailed
information on the use of the configuration interface is given in the IP Appendix.
Ethernet-to-Serial Overview
The integrated IP option also provides an Ethernet-to-serial connection. The entire RC4500 remote
control protocol can be used by encapsulating regular serial messages within UDP datagrams. The
encapsulation is described in the IP Appendix.
Network Settings
The PC or other web-enabled device and the RC4500 must be properly configured to exist in the same
subnet in order to communicate with each other. Specifics on what IP addresses exist within any given
subnet and/or how to configure a particular device is outside the focus of this document.
All RC4500 antenna controllers are factory configured to have an IP address of 192.168.1.1 and a subnet
mask of 255.255.255.0. Changes to the IP address or subnet mask can be made from within the
configuration interface. Setting the IP address of the target device to 192.168.1.2 with a subnet mask of
255.255.255.0 will usually allow a quick connection to the RC4500.
If you’ve reset the IP address and no longer have any record of it, please call Research Concepts, Inc. for
an IP address recovery procedure.
Note: IP and Serial remote control are mutually exclusive.
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