1.3 Optional EquipmentInstallation Manual 231.3 Optional Equipment1.3.1 Optional EquipmentModel No. Model Name Description MaximumQuantityKX-TDA3105 Memory Expansion Card(MEC)Memory expansion card to increase systemdata storage space, double the number ofDPTs (using Digital XDP connection), andenable Broadcasting, display languageselection for VM Menu, and Call Billing forGuest Room features. To be installed in theMEC slot.1KX-TDA3161 4-Port Doorphone Card(DPH4)4-port doorphone card for 4 doorphones, 4 dooropeners or external relays, and 4 externalsensors.1KX-TDA3162 2-Port Doorphone Card(German Type) (DPH2)2-port doorphone card for 2 German-typedoorphones, 2 door openers, 4 externalsensors, and 4 external relays.1KX-TDA3166 8-Channel Echo CancellerCard (ECHO8)8-channel card for echo cancellation duringconferences.1KX-TDA3168 Extension Caller ID Card(EXT-CID)Sends Caller ID signals to extension ports. 1KX-TDA3171 4-Port Digital ExtensionCard (DLC4)4-port digital extension card for DPTs, DSSconsoles, a Voice Processing System (VPS),and PT-interface CSs.1KX-TDA3172 8-Port Digital ExtensionCard (DLC8)8-port digital extension card for DPTs, DSSconsoles, a VPS, and PT-interface CSs.2KX-TDA3173 4-Port Single LineTelephone Extension Card(SLC4)4-port extension card for SLTs. 1KX-TDA3174 8-Port Single LineTelephone Extension Card(SLC8)8-port extension card for SLTs. 2KX-TDA3180 4-Port Analogue Trunk Card(LCOT4)4-port analogue trunk card with 2 power failuretransfer (PFT) ports.3KX-TDA3182 3-Port DID Card (DID3) 3-port DID analogue trunk card. 2KX-TDA3183 2-Port Analogue Trunk Card(LCOT2)2-port analogue trunk card with 2 power failuretransfer (PFT) ports.3KX-TDA3188 E-1 Trunk Card (E1) 30-channel E1 trunk card. ITU-T standardcompliant.1KX-TDA3191 2-Channel Message Card(MSG2)2-channel message card. 2
