1.3 Optional Equipment1.3.1 Optional EquipmentModel No. Model Name Description MaximumQuantityKX-TDA3105 Memory Expansion Card(MEC)Memory expansion card to increase sys-tem data storage space, double the num-ber of DPTs (using Digital XDP connec-tion), and enable Broadcasting, displaylanguage selection for VM Menu, and CallBilling for Guest Room features. To be in-stalled in the MEC slot.1KX-TDA3161 4-Port Doorphone Card(DPH4)4-port doorphone card for 4 doorphones, 4door openers or external relays, and 4 ex-ternal sensors.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 Cancel-ler Card (ECHO8)8-channel card for echo cancellation dur-ing conferences.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 Line Tele-phone Extension Card(SLC4)4-port extension card for SLTs. 1KX-TDA3174 8-Port Single Line Tele-phone Extension Card(SLC8)8-port extension card for SLTs. 2KX-TDA3180 4-Port Analogue TrunkCard (LCOT4)4-port analogue trunk card with 2 powerfailure transfer (PFT) ports.3KX-TDA3182 3-Port DID Card (DID3) 3-port DID analogue trunk card. 2KX-TDA3183 2-Port Analogue TrunkCard (LCOT2)2-port analogue trunk card with 2 powerfailure transfer (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. 2Installation Manual 231.3.1 Optional Equipment
