Comtech EF Data MCED-100 - Manual (Page 23)

MCED-100 MetaCarrier Embedding Device Revision 1
Introduction MN-MCED100
1–5
• 10 MHz Reference
• Frequency Shift Keying (FSK) modulation for controlling the outdoor electronics
Field update of the operating system firmware is possible through file upload via the rear panel
RJ‐45 ‘ETHERNET MANAGEMENT’ port.
Chapter 4. UPDATING FIRMWARE
1.2.1 About MetaCarrier
The MetaCarrier operates independent of the modulation, forward error rate, symbol rate, etc.
of the transmission carrier. In configurations where the carrier is encrypted or uses
cryptographic technologies, the CID contained in the MetaCarrier is not affected.
Traditionally, the ability to identify an interfering carrier involves using a geo‐location system
that, in turn, uses the phase offset from an adjacent satellite to triangulate the approximate
location on the surface of the earth where the interference is being generated.
While these tools have been proven useful and invaluable to satellite operators and service
providers, the geo‐location products’ methods are not terribly precise; for example, in densely
populated areas, a helicopter with a feed horn and spectrum analyzer must be used to find the
exact location of the transmission source. The time and costs associated with such methods are
significant.
By contrast, Comtech EF Data’s CID products provide the operator with the interference
source’s identification information within seconds. Once the offending carrier is identified, the
uplinking station may be contacted and the request made to shut down or otherwise remove
the identified transmission from service.
The MCED‐100’s combined carrier (transmission carrier and embedded MetaCarrier) creates a
composite carrier that results in scalable identification system that requires minimal power
(typically less than 0.1 dB) from the transmission carrier.
1.2.2 Compatibility
The MCED‐100 is compatible with any L‐Band or 70/140 MHz modulator, supporting up to 64
Msps.
Sect. 1.4 MCED‐100 Specifications