Panasonic Digital Business System Installation Manual page 11

March 1997
Slot Card
Description
CPU Central Processor
SCC System Control
LINE Line Card
(Note 3)
E&M Card
EXT Digital Extension Card
Analogue Ext. Card
EXT / Line Card
LINE Extension Card
(Note 3)
E&M Card
(Note 4)
ISDN Card
AUX DTMF Receiver
Link Cable
Note 1: Never remove the cover of a modular card.
Note 2: To ease installation of multiple cards install then working from the left of the CCU to the right. LINE -DEC-
AEC-SCC-CPC-MFR- Link card.
Note 3: A maximum of 2 E&M cards can be fitted to any CCU. The DBS 38 CCU can take 1, the DBS 68 and 90
CCUs can take 2. Refer to the E&M card installation instructions for full details.
Note 4: A maximum of 1 ISDN card can be fitted to any system regardless of size. It must occupy a universal slot.
See ISDN card installation instructions for full details.
Panasonic Digital Business System - Installation Manual
Number Of Slots In CCU
By System Size
38 68 90
1 1 1
1 1 1
1 2 3
3 6 8
1 1 1
2 2 2
Table 4 - Relation Between Slots And Modular Cards
The first extension card fitted to a system in slot EXT1
MUST be a digital extension card
128 158 180
1 1 1
1 1 1
4 5 6
11 14 16
2 2 2
2 2 2
Important
11
Card Model
VB3775
VB3665A
VB3660
VB3663
VB3670
VB3680
VB3660
VB3670 / VB3680
VB3663
VB3664
VB3682
VB3691
Issue 5