Grass Valley TR6442i - Manual (Page 21)

17
CommLink TR6442i
User Guide
CommLink TR6442i Fiber Optic Intercom Link Port State and Power Options
The CommLink TR6442i Fiber Optic Intercom Link also manages the enabling of ports
depending on the type of power supply and the system mode. The following table shows
the different CommLink TR6442i Fiber Optic Intercom Link states:
Mussel Shell MTR6442i Power Connector - 4 Pin XLR Connector Wiring
This matching connector is from either an ADAP-AC-04 or a customer 12VDC power
supply.
System Mode Power Supply
Internal 30 Volt
Supply
Belt Pack Power 4W Ports
2W 30V from Intercom System Disabled Self-powered or from
Intercom System Disabled
2W 12 Volt External & Belt-Packs
are powered internally or
from the intercom system Disabled Self-powered or from
Intercom System Disabled
2W 12 Volt External Enabled From CommLink Disabled
4W 12 Volt External Disabled Disabled Enabled
2W to 4W or
4W to 2W
Conversion 12 Volt External Can be used Self-powered or from
Intercom System or
from CommLink
TR6442i Fiber Optic
Intercom Link 30V
supply Enabled but
with
RS422/485
data transfer
disabled
Pin Function
1 Ground
2 Unused
3 Unused
4 + Power 12 VDC