6/1531-ANF 901 14 Uen F1 2013-11-29
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NPACKING
3.4.6 Physical
media
The media used it is essential that the behavior is equal to a copper
medium. The following parameters and general cable data, see chapter
7.2 Cable requirements on page 51, must be fulfilled by the media in
order to provide the necessary quality of the PCM clock synchronization
distribution.
•
Delay over media must be less than 25 micro seconds including
cabling from or to the ELU31 board.
•
Jitter and wander must be less than +/- 50 ns.
•
It must be possible to measure the delay across the distance
covered by the media.
4
Unpacking
4.1 ELU31
board
4.1.1 Measures
•
Ensure that the correct product has been delivered.
•
Remove the anti-static plastic wrapping.
•
Check that the board has not been damaged during transport. If the
board has been damaged and must be replaced or repaired in the
service shop, report this immediately.
4.2 Base
station
•
Ensure that the product has correct product number and R-state.
•
Check that the base station has not been damaged during trans-
port. If the base station has been damaged report this immediately.
4.3 Non-standard
antennas
•
Ensure that the product has correct product number and R-state.