Installation
51
Run the E1 cables from the modem shelf to the allocated positions on the DDF/Backhaul. In
partial equipped installations it may be appropriate to run sufficient cables to cater for a
complete rack of equipment. This reduces the need to disturb original installation when
adding additional equipment.
Feed the E1 cables through the top left-hand side of the rack, and down the front of the rack.
Identify and label each cable at both ends as well as the DDF/Backhaul positions.
Impedance Switch settings
Set the switches below the E1 out BNC connector to 120 ohm as shown below
E1 Shelf Interface Connections To RJ45
Terminate all cables with RJ45 Connectors. Terminate as detailed below.
The illustration below shows the adapter (Slot 5) and backhaul connections
Содержание AS4000
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Страница 38: ...Printed Documentation 34 AC Rack Labeling The racks should be labelled as shown below Access Concentrator Rack ...
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