Printe d C irc uit C a rds
Chapter 2. System Overview Section
300-Installation
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
Quantity
Equipment
DBS 40
DBS 72
DBS 96
VB-43110
1
Cable kit for 2-system connection
N/A
VB-43410
Call processor card (CPC-A)
VB-43411
Call processor card (CPC-B)
1
VW43412 Call processor card (CPC-AII)
VB-43420
Service circuit card (SCC-A)
VB-4342 1
Service circuit card (SCC-B)
1
VB-4343 1
DTMF signal receiver for 8 SLT lines
1
1
NW%
I
ā
VB-435
10A
4-port loop-start trunk card
(L-TRK/4)
VB-435
11A
g-port
loop-start trunk card
(L-TRK/8)
VB-43541
g-port Direct-inward-dialing trunk card
2
VB-4353 1
(DID)
g-port
ground-start trunk card
(G-TRW8)
VB-43561
-
-Tl
Interface
VB-43562
Tl
MDF card
1
1
i
I
VB-43563
1
Tl
Sync Unit
1
VB-43611
g-port digital extension card (DEC)
4
VB-43621A
g-port analog extension card (AEC)
3
Expansion Connectors
1
3
4
N/A
1
4
4
VB-43 120
Trunk expansion connector
VB-43121
Extension expansion connector
1 1 1
Doorbox Equipment (Trunk)
VB-43701
2-port Door box adaptor
8ā
12* 16*
VB -43705
Door box
16*
24*
32*
Doorbox Equipment (Extension)
VB -437 11
l-port Extension-Based Door box
adaptor
4
4
4
VB-43705
Door box
4
4
4
2-6
DES
Manual
-
Issued
6/l/95
DBS-70-300
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