Comtech EF Data DD2401 VME - Manual (Page 7)

DD2401 VME L-Band Demodulaor Card Installation & Operational Manual Table of Contents
MN-VME2401 – Rev. B vii
Table of Contents ToC
Section 1 - Introduction ............................................................................................. 1-1
1.0 Description ______________________________________________________ 1-1
1.1 DD2401 VME Demodulator Card Available Options _______________________ 1-2
1.1.1 Reed-Solomon Codec (Optional) ____________________________________ 1-2
1.1.2 Turbo Codec (Optional)_ __________________________________________ 1-2
1.1.3 8PSK (Optional) ________________________________________________ 1-2
Section 2 - Installation ............................................................................................... 2-1
2.0 Installation Requirements ___________________________________________ 2-1
2.1 Unpacking _______________________________________________________ 2-1
2.2 Removal and Assembly ____________________________________________ 2-1
2.3 Mounting Considerations ___________________________________________ 2-1
2.4 Demodulator Checkout _____________________________________________ 2-1
2.4.1 Initial Power-Up _________________________________________________ 2-1
2.4.2 Factory Terminal Setup (Refer to Section 4.4) __________________________ 2-2
2.4.3 Remote Protocol Factory Default Setup _______________________________ 2-2
2.5 Storage ________________________________________________________ 2-2
Section 3 - Theory of Operation ................................................................................ 3-1
3.0 Theory of Operation _______________________________________________ 3-1
3.1 Applications ______________________________________________________ 3-2
3.1.1 SCPC Point-to-Point Links _________________________________________ 3-2
3.1.2 SCPC Point to Multi–Point Links in a Broadcast Application _______________ 3-2
3.1.3 DAMA (Demand Assigned Multiple Access) ___________________________ 3-3
3.1.4 TDMA (Time Division Multiple Access) Remote Site Application ____________ 3-3
3.2 VME Demodulator Card Reed-Solomon ________________________________ 3-3
3.2.1 Reed-Solomon Codec ____________________________________________ 3-3
3.2 Clocking Options __________________________________________________ 3-4
3.2.1 RX Buffer Clock Options __________________________________________ 3-4