UHP SCPC MODEM
USER MANUAL, v3.2
© ROMANTIS 2015 8 www.uhp.net
1. GETTING STARTED
1.1 Measurement Equipment, Tools and Accessories
A computer is required to prepare UHP satellite router for operation, to manage its configuration locally and
monitor its status. The computer needs to be equipped with a LAN interface or USB and should have the following
software installed:
Web browser;
Telnet Client (optional);
Terminal (e.g.: Hyper terminal included in OS Windows) (optional).
To connect the computer to a satellite router a USB cable with AM/BM connectors is required (not supplied).
The computer connection to UHP router via LAN interface is implemented through the Ethernet switch via a
standard Ethernet cable with RJ-45 connectors or directly via a crossover Ethernet cable (not supplied).
1.2 Required Information
This manual describes how to configure a pair of SCPC modems interacting as SCPC duplex channel. Both modems
should be based on universal UHP routers and in combination with respective RF systems and antennas. A satellite
communications channel that is received by the referenced SCPC modem is called receive channel (Rx), while a
satellite communications channel that is transmitted by the referenced SCPC modem is called transmit channel
(Tx). Each modem should be configured accordingly with use of its local console (it could be accessed remotely).
To establish the SCPC connection the following parameters are required:
Data rate or symbol rate of each channel;
Central frequencies for Tx and Rx;
Modulation and codding settings as per the link budget calculation;
IP-address and routing.
To illustrate the system configuration, the manual will use an example network with the following parameters:
Table 1 VSAT-Network Parameters (example)
Central frequencies (Ku-band)
In accordance with the diagram below (see Figure 2) Station-1 and Station-2 Ethernet-interfaces are connected to
the network with 192.168.0.0/24 and 192.168.1.0/24 addresses respectively, each network has a computer
(192.168.0.3 and 192.168.1.3) used to configure and test the hardware.
HEREINAFTER BOTH STATION-1 AND STATION-2 WILL BE REFERENCED AS “STATIONS” IN THE SECTIONS WHERE
STATION-1 AND STATION-2 HAVE SIMILAR SETTINGS.
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