CM-SR644024_09-11-2023_Rev-25
Page. 42
NOTE
: Only
RG6 video cable suitable for 3G HD-SDI (High-Definition Serial Digital Interface)
should be used
for the Cadac MegaCOMMS connections. The cables should be terminated in BNC
connectors of the appropriate type, and total system cable run should not exceed 100m
(surface-to-
stage rack or stage rack to stage rack as a snake). A suitable cable: Kramer bulk Type BC-1X.
Console and daisy chaining two racks using fibre optic and coaxial cables
Total fibre optic cable run within the system must not exceed 2km, however the coaxial run can go up to 100m
Cadac CM-J
series
SR series stage rack 2
SR series stage rack 1
Cable Run ≤ 2 km
NOTE:
With the system setup above MegaCOMMS
PORT A
on the first stage rack MUST be connected to the console.
In this instance the fibre optic cable MUST connect the console to first stage rack, and the coaxial cable used to link the first
stage rack to second rack. If this order is NOT followed, then the system could suffer from timing issues.
Coaxial Cable
run ≤ 100m
Cadac CM-J
series
SR series stage rack 2
SR series stage rack 1
Coaxial Cable Run
≤ 100m
Console and two racks: Connecting one via fibre optic and the second via coaxial cables
Fibre Optic Cable Run
≤ 2 km