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On the bottom line – To set the Mix polarity, use the ▲▼ arrow keys to set polarity as Hi (to
indicate a high side, inverting mix) or Lo (to indicate a low side, non-inverting mix).
Press ENTER when done.
10.3.3.3.2.3 ODU: LNB:PwrSupply+Ref PSUmonitor
LNB Power Supply [Off]:
This read-only display shows the LNB power supply information. Press ENTER or CLEAR to
return to the previous menu.
10.3.3.3.3
ODU: FSK-control
Comtech EF Data ODUs (CSAT, KST, or LPOD), when connected to a CDM-425 through
Frequency Shift Keying (FSK), can be remotely monitored and controlled by using the CDM-425
front panel, Web Server interface, or by using remote commands and queries through Serial or
Telnet Remote Product Management. In order to facilitate remote M&C, the ODU address is set
up as follows:
•
For Local-End ODUs:
o
o
•
For Distant-End ODUs in an EDMAC setup:
o
o
The appearance of the ODU: FSK-control screen adjusts automatically to the mode of operation:
70/140 MHz or L-Band.
When the Tx frequency is 70/140 MHz – Communication with a Comtech EF Data CSAT or
KST transceiver is achieved using a low-speed, half-duplex FSK link over the Rx IF port, with a
carrier frequency around 2.7 MHz.
With FSK communication disabled, the ODU: FSK-control screen appears as shown here:
ODU Control:
ODU Type: C/KST (C/KST, 2CSATS)
ODU (Transceiver, BUC, LNB) Operation
0000mA, 00.0V
Use the Modem's RC Address + 1 for a Standalone Unit or the Online Unit in a
1:1 Redundancy System
Use the Modem's RC Address + 2 for the Offline Unit in a 1:1 Redundancy
System
•
Chapter 8. SERIAL-BASED REMOTE PRODUCT MANAGEMENT
•
Appendix H. EDMAC CHANNEL
Use the EDMAC Slave Address (ESA) Range +4 for Standalone Unit or the
Online Unit in a 1:1 Redundancy System;
Use the EDMAC Slave Address (ESA) Range +5 for the Offline Unit in a 1:1
Redundancy System.
FSK=Off
CDM-425 Advanced Satellite Modem
(Off,On)
()
10–13
Revision 0
MN-CDM-425
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