1.3 OptionsInstallation Manual 231.3 Options1.3.1 OptionsModel No. Model Name Description Maximum QuantityKX-TDA5105 Memory Expansion Card(MEC)Memory expansion card to double thenumber of DPTs, using Digital XDPconnection. To be installed in the MECslot.1KX-TDA5161 4-Port Doorphone Card(DPH4)4-port doorphone card for 4 doorphonesand 4 door openers.1KX-TDA5166 8-Channel EchoCanceller Card (ECHO8)8-channel card for echo cancellationduring conferences.1KX-TDA5168 Extension Caller ID Card(EXT-CID)Sends Caller ID signals to extensionports.1KX-TDA5170 4-Port Hybrid ExtensionCard (HLC4)4-port extension card for SLTs, APTs,DSS consoles, a Voice ProcessingSystem (VPS), and PT-interface CSs. *11KX-TDA5171 4-Port Digital ExtensionCard (DLC4)4-port digital extension card for DPTs,DSS consoles, a VPS, and PT-interfaceCSs.*11KX-TDA5172 8-Port Digital ExtensionCard (DLC8)8-port digital extension card for DPTs,DSS consoles, a VPS, and PT-interfaceCSs.*12KX-TDA5173 4-Port Single LineTelephone ExtensionCard (SLC4)4-port extension card for SLTs. 1KX-TDA5174 8-Port Single LineTelephone ExtensionCard (SLC8)8-port extension card for SLTs. 2KX-TDA5175 4-Port ProprietaryExtension Card (PLC4)4-port extension card for APTs, DSSconsoles, and a VPS.1KX-TDA5176 8-Port ProprietaryExtension Card (PLC8)8-port extension card for APTs, DSSconsoles, and a VPS.2KX-TDA5180 4-Port Analog TrunkCard (LCOT4)4-port analog CO line card with 2 powerfailure transfer (PFT) ports.2 *2KX-TDA5191 2-Channel MessageCard (MSG2)2-channel message card. 2KX-TDA5193 4-Port Caller ID Card(CID4)4-port Caller ID signal type FSK/FSK(with Call Waiting Caller ID [Visual CallerID])/DTMF. To be mounted on the LCOT4card.3
