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VISION 5000 Videoconferencing System
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Advanced use
Network clocking
The network clock setting specifies the number of physical external clock signals.
Use RS449/V35 Compatible when the external equipment provides two clock signals, one for transmit and
one for receive. The difference between RS449 and V35 is the cable only.
Use X21 Compatible when external equipment provides a common clock signal for both transmit and
receive.
Advanced Network Settings
==== Advanced Network Settings ====
IMUX Default Prefix, Net1: #001_
IMUX Default Prefix, Net2: #001_
IMUX Restrict Offset: 10_
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IMUX default prefix
When using an external IMUX to make a call, you should specify a prefix which informs the IMUX of how
to make the call (which protocol to use, number of channels etc.) in the absence of a user dialled prefix.
Example: To make a call using an Ascend Multiband VSX IMUX, you could use the following prefixes:
Prefix Call Type
#008 8B call (BONDING) #003 3B call (BONDING)
#006 6B call (BONDING) #002 2B call (BONDING)
#005 5B call (BONDING) #001 2B call (H.221)
#004 4B call (BONDING)
The default prefix is chosen to be #001, a call on 2 B-channels. If you want to change the default prefix,
insert the same prefix at both Net1 and Net2.
Restrict offset
When using the # after the number, the restrict offset will be added to the prefix used. This means that if you
want to make a 6 channel call to a 56 kbps network you should dial #006<number>#. If the restrict offset is
10, this is equivalent to dialing #016<number>.