Panasonic Digital Business System 576 Technical Manual Section 300

Section 300-Installation Chapter 5 - Trunks and Extensions
576-13-300 DBS 576 (USA), issued 6/2/98  5-27
Table 5-20.  Switch Setting for SW1 on T1 Card
6.  Insert the T1 card into the specified flexible slot (see page 4-36).
7.  Connect the 8-conductor modular jack via the CSU to the T1 carrier line.
8.  Pass the cable with 8-conductor modular jack through the wiring aperture of the 
cabinet and connect it to the modular connector on the T1 card.
Figure 5-11. Connection of T1 Rate Interface
Switch No....

Chapter 5 - Trunks and Extensions Section 300-Installation
5-28 DBS 576 (USA), issued 6/2/98 576-13-300
Extensions
The following cards are used with extensions:
• DEC/8: Digital key phone interface card (8 ports)
• AEC/8: Standard telephone (SLT) extension interface card (8 ports)
• SBRI/4: S-point ISDN basic interface card (4 ports)
• PRI/23: T-point and S-point ISDN primary rate interface card (1 port)
In addition to the extension cards, if installing using any combination of DEC/8 and 
AEC/8 cards, an...

Section 300-Installation Chapter 5 - Trunks and Extensions
576-13-300 DBS 576 (USA), issued 6/2/98  5-29
Extension MDF Interface Card
Guidelines
• Digital Extension Card (DEC/8) Lines, and Analog Extension Card (AEC/8) 
Lines connect to the Main Distribution Frame through the Extension MDF 
Interface (MDF-EXT) card. Each Extension MDF Interface supports any 
combination of up to three of these extension cards.
• Each extension circuit card contains one sixteen-wire connector. Each sixteen-
wire connector...

Chapter 5 - Trunks and Extensions Section 300-Installation
5-30 DBS 576 (USA), issued 6/2/98 576-13-300
Figure 5-12. Extension MDF Interface Installation
3.  Holding the Extension MDF Interface Card in place, insert the bottom tab of the 
Extension MDF Interface Card into the slot opening at the bottom of the MDF 
Interface Card position.
4.  Use the supplied screw to fasten the Extension MDF Interface Card into place.
5.  Repeat steps 3 and 4 for any additional Extension MDF Interface Cards to be...

Section 300-Installation Chapter 5 - Trunks and Extensions
576-13-300 DBS 576 (USA), issued 6/2/98  5-31
Digital Extensions
Guidelines
• Digital extensions are connected to a DEC/8 card installed in a flexible slot of the 
cabinet. A maximum of 8 extensions can be connected to each DEC/8 card.
• One or more Extension MDF Interface Cards (VB-44611) must be installed to 
support connection of extension lines from the Main Distribution Frame (MDF) 
to the DEC/8 card. Each Extension MDF Interface supports up...

Chapter 5 - Trunks and Extensions Section 300-Installation
5-32 DBS 576 (USA), issued 6/2/98 576-13-300
Note: Labels are supplied with the MDF Interface Card to identify the Flexible 
Slot cable connection. Make certain to attach a label on both ends of the cable 
and at the MDF Interface Card connector.
Figure 5-13. Connecting Digital Extension Lines 

Section 300-Installation Chapter 5 - Trunks and Extensions
576-13-300 DBS 576 (USA), issued 6/2/98  5-33
Table 5-23.  Digital Extension Connections and Pinouts.
Extension Circuit Card(s) MDF Interface (Extension)
B (Cabinet) SS (Slot) C (Circuit) Connector Modular 
ConnectorCN1 Color 
CodeCN1 Pin No.
_________
__________
1
CN2 CN2 (Bottom)WH-BL
BL-WH26
1
2 WH-OR
OR-WH27
2
3 WH-GN
GN-WH28
3
4 WH-BR
BR-WH29
4
5WH-SL
SL-WH30
5
6 RD-BL
BL-RD31
6
7 RD-OR
OR-RD32
7
8 RD-GN
GN-RD33
8
__________
1
CN2 CN3...

Chapter 5 - Trunks and Extensions Section 300-Installation
5-34 DBS 576 (USA), issued 6/2/98 576-13-300
DBS 96 Digital Extensions
Guidelines
• Digital extensions are connected to a DEC card installed in an extension slot of 
the DBS 96 cabinet. A maximum of 8 extensions can be connected to each DBS 
DEC card.
• The CBLDBS kit (VB-44452) must be installed to connect the DBS 576 to the 
DBS. One CBLDBS MDF Interface (part of the CBLDBS kit) must be installed 
to support connection of extension lines from...

Section 300-Installation Chapter 5 - Trunks and Extensions
576-13-300 DBS 576 (USA), issued 6/2/98  5-35
Installation
1.  Install the DBS DEC card in any available DBS 96 cabinet EC slot or the EC/
TRK slot.
2.  Referring to Figure 5-14 and Table 5-25, Table 5-26, and Table 5-27, connect the 
CBLDBS MDF Interface Card to the MDF using standard 25-pair cabling (not 
supplied). Each cable must have a male connector at the CBLDBS MDF 
interface end.
Figure 5-14. Connecting DBS 96 Digital Extension Lines 

Chapter 5 - Trunks and Extensions Section 300-Installation
5-36 DBS 576 (USA), issued 6/2/98 576-13-300
Table 5-25.  DBS 96 Digital Extension Connections and Pinouts - Slots EC1, EC2, and EC3.
DBS 96 Cabinet Extension Circuit Card(s) CBLDBS MDF Interface
B (Cabinet) Slot C (Circuit) Connector Color Code Pin No.
_________
DBS 96 
Cabinet Slot
EC1
(DBS 576 
Programming 
Slot 02)1
EXT AWH-BL
BL-WH26
1
2 WH-OR
OR-WH27
2
3 WH-GN
GN-WH28
3
4 WH-BR
BR-WH29
4
5WH-SL
SL-WH30
5
6 RD-BL
BL-RD31
6
7 RD-OR
OR-RD32
7...