Upgrading the MCS in China Central Television (CCTV)
Introduction CCTV (China Central Television) is the biggest and most important news media in China. There are 19 antennas, which are used to receive and transmit TV signals, located in 3 positions in the TV station. The distance between any two positions is more than...
DWDM Solution Allows 200 km Ka-Band Antenna Diversity
Introduction This case study provides an overview of how a large satellite and data communications service provider implemented a cost effective, location diverse antenna installation for Ka-Band satellite data transmissions by using a DWDM RF over Fiber Solution....
Satellite Antenna Redundancy (White Paper)
Redundancy solution for multiple antennas serving an n+1 configuration Executive Summary High uptime is critical for most satellite ground station signals. Failure of a single device in the transmission chain can disrupt large arrays of service. This creates the need...
RF Power Measurement (White Paper)
…and the Implementation in DEV Products Introduction The power level of a system or a signal chain is one of the main indicators to guarantee a reliably signal integrity with a sufficient signal-to noise-ratio. In a signal chain each device is dependent that the...
Choosing an RF Matrix: Seven Key Criteria
An RF Distributing Matrix is a switch which routes radio frequency (RF) signals between inputs and outputs. Popular applications requiring RF matrices are satellite communications, broadcasting, military and government communication systems. Matrices are often used in...
DOCSIS 3.1 Networks with MODULO HFC
DEV Systemtechnik Presents a Modular Cable Headend Platform With the growing use of streaming services and IPTV, as well as the increased bandwidths of media content, the demand for higher transfer speeds is also increasing. In the future, data traffic will go up, in...
DEV Introduces Distributed CCAP Nodes for DOCSIS 3.1 Remote MAC-PHY Applications
Moving MAC and PHY layers to the remote access node eliminates the need for headend CMTS/CCAP systems and increases throughput to more than 10 Gbps. DEV Systemtechnik (www.dev-systemtechnik.com) has launched a range of Distributed CCAP solutions to the European cable...
Change a Controller on a DEV Archimedes RF Matrix Switch
This video shows you how to change a controller on a DEV 1986 (ARCHIMEDES) L-Band Matrix. First take a backup of your settings and navigate to Setup – Software Service – Data Backup. Select the first line, click on “Backup” and select as Type...