Rear Panel Interfaces
DM240XR-DVB High-Speed Digital Modulator
5-4
TM120 - Rev. 1.1
5.2.2 Firmware Update
To upgrade the firmware, a new Compact Flash Card with the upgraded firmware is required for
each unit.
1. Power off the unit.
2. Remove Compact Flash.
3. Install new Compact Flash.
4. Power on unit.
5. Verify the firmware under the “SYSTEM MENU”.
5.2.3 Custom Configuration
For a custom configuration, the customer orders a Custom Configuration Compact Flash Card.
Perform the following steps:
1.
Power off the unit.
2.
Install the Custom Configuration Compact Flash Card.
3.
Power the unit on.
The unit will operate in the custom configuration as long as the Compact Flash Card is installed.
If the card is removed and power is cycled, the original operation is restored.
5.3 Ethernet Interface (J6)
The Ethernet Interface (J2) can be used for the monitor & control functions of the unit. The
physical interface is a standard female RJ-45 Connector. Refer to Section 7.6 for programming
details.
5.4 External Reference (Input)
The External Reference Input (J8) is supplied to allow the customer to phase-lock the modulator’s
internal oscillator to an external reference.
This female BNC Connector accepts a 1.5 – 5 Vp-p @ 50 Ohms. The frequency range of the
external reference is 1 – 10 MHz in 8 kHz steps.
Summary of Contents for DM240XR
Page 2: ......
Page 10: ...Table of Contents DM240XR High Speed Digital Modulator x TM120 Rev 1 1 ...
Page 12: ...Introduction DM240XR High Speed Digital Modulator 1 2 TM120 Rev 1 1 ...
Page 16: ...Installation DM240XR High Speed Digital Modulator 2 4 TM120 Rev 1 1 ...
Page 19: ...DM240XR High Speed Digital Modulator Theory of Operation TM120 Rev 1 1 3 3 ...
Page 55: ...User Interfaces DM240XR High Speed Digital Modulator 4 36 TM120 Rev 1 1 ...
Page 67: ...Rear Panel Interfaces DM240XR DVB High Speed Digital Modulator 5 12 TM120 Rev 1 1 ...
Page 69: ...Maintenance and Troubleshooting DM240XR High Speed Digital Modulator 6 2 TM120 Rev 1 1 ...
Page 79: ...Technical Specifications DM240XR High Speed Digital Modulator 7 10 TM120 Rev 1 1 ...
Page 103: ...Appendix A DM240XR High Speed Digital Modulator A 24 TM120 Rev 1 1 ...
Page 124: ...DM240XR High Speed Digital Modulator Appendix B TM120 Rev 1 1 B 21 ...