Chapter 2. System Overview Section 300-Installation2-6 DBS Manual - Revised April 2000 DBS-2.3/9.2-300Printed Circuit CardsThe following table describes the printed circuit cards and other equipmentthat can be used with the DBS. Also included are brief descriptions of eachcard and the maximum number that can be installed in each cabinet.Table 2-2. Printed circuit card descriptions and maximumsPart No. Printed Circuit Cards and OtherEquipmentQuantityDBS 40 DBS 72 DBS 96VB-43110 Cable kit for 2-system connection N/A N/A N/AVB-43410 Call processor card (CPC-A)1 1 1VB-43411 Call processor card (CPC-B)VB-43412 Call processor card (CPC-AII)VB-43420 Service circuit card (SCC-A) 1 1 1VB-43421 Service circuit card (SCC-B)VB-43431 DTMF signal receiver for 8 SLT lines(MFR/8) 1 1 1VB-43510A 4-port loop-start trunk card (L-TRK/4)2 3 4VB-43511A 8-port loop-start trunk card (L-TRK/8)VB-43541 8-port Direct-inward-dialing trunk card(DID)VB-43531 8-port ground-start trunk card (G-TRK/8)VB-43561 T1 Interface 1 1 1VB-43562 T1 MDF card 1 1 1VB-43563 T1 Sync Unit 1 1 1VB-43611 8-port digital extension card (DEC) 4 7 9VB-43621A 8-port analog extension card (AEC) 3 4 4Expansion ConnectorsVB-43120 Trunk expansion connector 1 1 1VB-43121 Extension expansion connectorDoorbox Equipment (Trunk)VB-43701 2-port Door box adaptor 8* 12* 16*VB-43705 Door box 16* 24* 32*Doorbox Equipment (Extension)VB-43711 1-port Extension-Based Door box adaptor 4 4 4VB-43705 Door box 4 4 4
