Cobalt Digital COMPASS 9004 Dual 3G_HD_SD Distribution Amplifier (Non-Reclocking) - Manual (Page 7)

9004 Owner’s Manual •••• (V 1.6) Page 7
4) Failover mode: Input 1 Æ Output A&B, until Input 1 loses lock, then Input 2 -> Outputs A&B
if input 1 is restored the card uses it again.
The 9004 can equalize incoming SDI signal using up to 300m of cable at 270 Mbps, up to 120m of
cable at 1.585 Gbps, and up to 100m of cable at 3 Gbps (1694A cable).
Functional Block Diagram
SDI IN 1
EQ Mux SDI IN 2
EQ
Mux
SDI OUT A
SDI OUT A
SDI OUT A
SDI OUT A
SDI OUT B
SDI OUT B
SDI OUT B
SDI OUT B
Cable
Driver
Cable
Driver
Cable
Driver
Cable
Driver
9004 Block Diagram