MX800 Transceiver Technical Manual
© SPECTRA ENGINEERING 2006 Revision 4.2.3
64
3.19.1 Optional Dongles
There are two different dongles available that can be plugged directly into
CN3 (T31’s DB44) to allow external selection of the MX800’s operating
channel and it’s T31 network address. The dongles can be set and be used as
a method to ensure that a pre-programmed radio is set to the right channel
and network address at a particular location, allowing a plug-and-go
operation for non technical personnel to carry out equipment changeovers.
3.19.2 U72 Dongle
The U72 has a single DB44 male connector and four rotary switches. Two of
the switches allow the selection of a pre-programmed MX800 channel and
the other two allow the selection of the extended network address.
Figure 3-16 U72 Dongle
3.19.3 U73 Dongle with Digital IO Port Replicator
The U73 dongle allows not only the selection of the network address and
channel, but also provides all of the connections normally provided by CN3
on the standard MX800.
Pinouts of the female DB25 connector provided on the U73 are detailed in
T31 Technical manual. Please contact
sales@specteng.com.au for a copy of
this manual.
Figure 3-17 U73 Dongle
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