Operating Manual References1.3.48 Paging13.1.2 Paralleled TelephoneDescriptionBy connecting telephones in parallel, you can increase the number of telephones connected to the PBX withoutadding additional extension cards.Both wired and wireless telephones can be connected in parallel. Single line telephones (SLTs), analogproprietary telephones (APTs), and digital proprietary telephones (DPTs) can be connected to other telephonesor connectors, allowing up to three telephones to be connected to the PBX through just one extension port.Additionally, portable stations (PSs) can be linked to other telephones wirelessly and used as "paired"extensions.The different type of parallel connections are described below.Features Descriptions ConnectionsParallel Mode Allows an SLT to be connected to an APT or DPTwhich is connected to a Super Hybrid port of thePBX.When parallel mode is enabled, the two telephonesfunction as follows:• Both share the extension number of thetelephone connected directly to the PBX (maintelephone).• Either telephone can make or answer a call.APT/DPT + SLTPBX SLTDPTExtn. 101 Extn. 101APT Extn. 102Extn. 102SLTEXtra Device Port(XDP) ModeAllows an SLT to be connected to a DPT which isconnected to a Super Hybrid port of the PBX.Unlike parallel mode, XDP mode allows eachtelephone to act as an independent extension withits own extension number. (® 5.1.7 Extension PortConfiguration)DPT + SLTPBXSLTDPTExtn. 101 Extn. 105216 Feature Manual Document Version 2013-0513.1.2 Paralleled Telephone
