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Chapter 2. System Overview
Section 300-Installation
2-6 DBS Manual - Revised April 2000 DBS-2.3/9.2-300
Printed Circuit Cards
The following table describes the printed circuit cards and other equipment
that can be used with the DBS. Also included are brief descriptions of each
card and the maximum number that can be installed in each cabinet.
Table 2-2. Printed circuit card descriptions and maximums
Part No. Printed Circuit Cards and Other
Equipment
Quantity
DBS 40 DBS 72 DBS 96
VB-43110 Cable kit for 2-system connection N/A N/A N/A
VB-43410 Call processor card (CPC-A)
111VB-43411 Call processor card (CPC-B)
VB-43412 Call processor card (CPC-AII)
VB-43420 Service circuit card (SCC-A)
111
VB-43421 Service circuit card (SCC-B)
VB-43431 DTMF signal receiver for 8 SLT lines
(MFR/8)
111
VB-43510A 4-port loop-start trunk card (L-TRK/4)
234
VB-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 1
VB-43562 T1 MDF card 1 1 1
VB-43563 T1 Sync Unit 1 1 1
VB-43611 8-port digital extension card (DEC) 4 7 9
VB-43621A 8-port analog extension card (AEC) 3 4 4
Expansion Connectors
VB-43120 Trunk expansion connector
111
VB-43121 Extension expansion connector
Doorbox 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 4
VB-43705 Door box 4 4 4