DAI-3206 Instruction Book
Revision 6
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Page 9 of 12
3206-DAI_ib_Rev6.doc
Installation
Pre-installation:
Handling:
This equipment may contain or be connected to static sensitive devices and proper static free handling precautions
should be observed.
Where individual circuit cards are stored, they should be placed in antistatic bags. Proper antistatic procedures
should be followed when inserting or removing cards from these bags.
Power:
AC mains supply:
Ensure that operating voltage of unit and local supply voltage match and that correct rating
fuse is installed for local supply.
DC supply:
Ensure that the correct polarity is observed and that DC supply voltage is maintained within
the operating range specified.
Earthing:
The earth path is dependent on the type of frame selected. In every case particular care should be taken to ensure
that the frame is connected to earth for safety reasons. See frame manual for details.
Signal earth:
For safety reasons a connection is made between signal earth and chassis earth. No attempt should
be made to break this connection.
Installation in frame or chassis:
See details in separate manual for selected frame type.
Connections:
Controls
•
Group select (1,2,3 or 4) – Front panel switch SW1
•
Channel pair select (1&2 or 3&4) – Internal rotary switch SW2
Indicators and alarms
The alarm output on the rear of the DAI-3206 indicates a loss of 270 Mb/s data or power failure. The alarm state is
indicated by a contact closure, which is available on J3A of the rear assembly.
J2 alarm connectors on rear panel:
Pin 4
Relay COM
Pin 3
Relay N/C
Pin 2
Not Used
Pin 1
Ground
LED’s on the front panel indicate:
Loss of carrier
Presence of Audio 1
Presence of Audio 2
DC power
1
3
2
4
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