User's Manual

CrossFire HP – All-Digital Transport System
User Guide
© SUNWAVE COMMUNICATIONS LIMITED 2015 16 Revision 05
The CrossFire is divided into three logical functional units according to function:
 Interface Processing Module (IPM): Interface switch and protocol analysis.
 Downlink Channel Module (DCM): The AU terminal (upper layer of the DCM) converts RF signals into digital
signals and includes filtration and ADC conversion. The RU terminal (lower layer of the DCM) converts
digital signals into RF signals and includes DAC conversion and IQ modulation.
 Uplink Channel Module (UCM): The RU terminal (upper level of the UCM) converts RF signals into digital
signals and includes filtration and ADC conversion. The AU terminal (lower level of the UCM) converts
digital signals into RF signals and includes DAC conversion and IQ modulation.
1.4. Technical Specifications
See the Technical Specifications Document for details.
1.5. System Framework
Figure 1-2 shows the typical CrossFire system framework.