User's Guide

Table Of Contents
User Guide | Arcadia Central Station
3.1 Connecting 2-Wire Systems
When connecting 2-wire equipment the following functions should be taken into consideration:
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Auto-null. Every time equipment is changed on a 2-wire interface (port) you should run
auto-null. When nulling, make sure all talk paths are closed on the channel that you are
nulling (both on the Arcadia Central Station and the other wired and wireless endpoints).
You must null every time you add wired resources to your system.
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Enable/disable the partyline power. Do this in CCM > Hardware >Resources >
Physical Ports > 2-Wire. Default setting: Disabled.
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Enable/disable Line termination. The line should only be terminated once on
interconnected devices, do not terminate on more than one piece of equipment. Default
setting: Disabled.
These functions can be set either in the 2-wire port settings page of the Core Configuration
Manager (CCM) or from the front panel screens on the Arcadia Central Station.
In the CCM navigate to: Hardware>Physical Ports (select port):
3.2 Connecting 4-Wire Systems
When connecting to 4-wire equipment the following need to be taken into account:
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To minimise noise, use screened (shielded) cable when connecting 4-wire ports.
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Pin-out configuration (Port Function) can be set on all the Arcadia Central Station 4-wire
interfaces. This is a software switch that switches the configuration of the pins on the
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