RAD Data comm RSD-20 Cable Box User Manual


 
2.5.1.2 Synchronization on RSD-20 Internal Clock
a) RSD-20 baud rate should be strapped to the required speed.
b) DCEs attached to sub-channels should be strapped to external clock.
c) DCE attached to main channel should be strapped to external clock.
RSD-20
DCE
EXT. CK
DTE
EXT. CK
DCE
EXT. CK
DTE
TX. CLK
TX. CLK
TX. CLK
EXT. CLK
EXT. CLK
SUB DTE
MAIN
DTE
MAIN
DTE
SUB DCE
SUB-CHANNEL
Figure 2.5
Synchronization on Internal Clock
INSTALLATION RSD-20 OPERATOR'S MANUAL
2.6