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system.conf.sample: Add note regarding cross connecting spans on B410P.

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There is an issue with the hardware on the B410P that makes it unreliable to
connect one of the ports to another port for testing.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>

git-svn-id: http://svn.astersk.org/svn/dahdi/tools/trunk@10026 17933a7a-c749-41c5-a318-cba88f637d49
This commit is contained in:
Shaun Ruffell 2011-07-05 20:13:49 +00:00
parent 9ae57618d3
commit 52b37fa5f1
1 changed files with 6 additions and 0 deletions
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6
system.conf.sample
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@ -32,6 +32,12 @@
# Incorrect timing sync may cause clicks/noise in the audio, poor quality or failed # Incorrect timing sync may cause clicks/noise in the audio, poor quality or failed
# faxes, unreliable modem operation, and is a general all round bad thing. # faxes, unreliable modem operation, and is a general all round bad thing.
# #
# NOTE: The B410P card cannot reliably connect one of its four ports
# configured in TE mode to another one configured in NT mode. It will not
# reliably sync clock from itself. Please use another physical card and
# configure one to provide clock and one to recover clock in any B410P test
# environments.
#
# The line build-out (or LBO) is an integer, from the following table: # The line build-out (or LBO) is an integer, from the following table:
# #
# 0: 0 db (CSU) / 0-133 feet (DSX-1) # 0: 0 db (CSU) / 0-133 feet (DSX-1)