Guidelines - Panasonic DBS 40 Manual

Section 300~Installation

Guidelines

l
l
l
l
Table 6-I. Trunk and extension port maximums for double-cabinet systems
l
DBS-70-300
Two DBS cabinets can be connected to increase line size. The maximum
two
line size consists of
CPC-B and SCC-B are required for two-cabinet systems.
If ground start or DID trunks are used in both cabinets, separate -48V
supplies must be supplied for each cabinet. If AECs are used in both
cabinets, separate SLT ringer boxes must be supplied for each cabinet.
The following table shows the acceptable combinations of system types
System
Master Slave
DBS 40 DBS 40
DBS 72
DBS 72
DBS 96 DBS 40
DBS 96 DBS 72
Notes:
1. The slave cabinet must be used for expansion ports.
2. When a DBS72 and DBS40 are connected, expansion ports cannot be
used.
Figures 6-l through 6-6 shows slot usage for two-cabinet combinations.
DBS Manual - Issued 60195
Chapter 6. Double-Cabinet Systems
DBS 96 cabinets, which provide 192 ports.
Trunk Extension
Ports Ports
16 48
24 72
32 88
40 112
Expansion Ports
(Trunk lines or
extensions)
8 (See Note 1.)
0 (See Note 2.)
16
16
I 16
6-3