DSX-40 PCBsDSX-40 Hardware Manual Components ◆ 13ComponentsDSX-40 PCBsDSX-40 8-Port Digital Station (8ESIU) CardThe 8-Port Digital Station Card is an expansion card that provides eight additional digital station ports. Youcan install up to two 8-Port Digital Station Cards, using the upper and middle expansion slots, for a systemmaximum of 24 digital stations.Expansion GuidelinesThe top 2 DSX-40 expansion positions are for the 8-port station cards, and you can install them in eitherposition in any combination.Tips to remember:• The 8-Port Digital and 8-Port Analog Station Cards use the same expansion slots (upper and middle).DSX-40 8-Port Analog Station (8SLIU) CardThe 8-Port Analog Station Card is an expansion card that provides eight additional analog station ports. Youcan install up to two 8-Port Analog Station Cards, using the upper and middle expansion slots, for a systemmaximum of 18 analog stations.Tips to remember:• The 8-Port Digital and 8-Port Analog Station Cards use the same expansion slots (upper and middle).At a Glance P/N 1091002Digital station ports: 8 Installs in either the top or middle DSX-40expansion slot.Max. cards installed: 2 (16 additional digi-tal station ports) Can be mixed with 8-Port Analog StationCards in any combination in the top andmiddle expansion slots.Max.digital ports: 24 (8 in each digital cardinstalled plus 8 built-in)DSX-40 Station Card CapacitiesTop Position (9-16) Middle Position (17-14) Total8-Port Digital Card 8-Port Digital Card 24 Digital and 2 Analog8-Port Digital Card 8-Port Analog Card 16 Digital and 10 Analog8-Port Analog Card 8-Port Analog Card 8 Digital and 18 AnalogAt a Glance P/N 1091003Analog station ports: 8 Installs in either the top or middle DSX-40expansion slotMax. analog cards installed: 2 (16 addi-tional analog station ports) Can be mixed with 8-Port Digital StationCards in any combination in the top andmiddle expansion slotsMax. analog ports: 18 (8 in each analogcard installed plus 2 built-in)