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  5-37
Table 5-26.  DBS 96 Digital Extension Connections and Pinouts - Slots EC4, EC5, and EC6.
DBS 96 Cabinet Extension Circuit Card(s) CBLDBS MDF Interface
B (Cabinet) Slot C (Circuit)  Connector Color Code Pin No.
_________
DBS 96 
Cabinet Slot
EC4
(DBS 576 
Programming 
Slot 06)1
EXT BWH-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...

Chapter 5 - Trunks and Extensions Section 300-Installation
5-38 DBS 576 (USA), issued 6/2/98 576-13-300
Table 5-27.  DBS 96 Digital Extension Connections and Pinouts - Slots EC7, EC8, and EC/TRK.
DBS 96 Cabinet Extension Circuit Card(s) CBLDBS MDF Interface
B (Cabinet) Slot C (Circuit)  Connector Color Code Pin No.
_________
DBS 96 
Cabinet Slot
EC7
(DBS 576 
Programming 
Slot 10)1
EXT CWH-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...

Section 300-Installation Chapter 5 - Trunks and Extensions
576-13-300 DBS 576 (USA), issued 6/2/98  5-39
Analog extensions
Guidelines
• Analog extensions are connected to an AEC/8 card installed in a flexible slot of 
the main unit. A maximum of 8 extensions can be connected to each AEC/8 card.
• Loop resistance not to exceed 100 ohms
.
• Four DTMF signal reception circuits are mounted on the CPC96, CPC288 or 
CPC576 card. If more DTMF circuits are required, add the MFR/8 card to the 
flexible slot.
•...

Chapter 5 - Trunks and Extensions Section 300-Installation
5-40 DBS 576 (USA), issued 6/2/98 576-13-300
2.  Referring to Figure 5-15 and Table 5-29 on page 5-41, connect the extension 
card to the MDF Interface Card using supplied sixteen-lead cable.
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 5-15. Connecting Analog Extension Lines 

Section 300-Installation Chapter 5 - Trunks and Extensions
576-13-300 DBS 576 (USA), issued 6/2/98  5-41
Table 5-29.  Analog Extension Connections and Pinouts.
Extension Circuit Card(s) MDF Interface Card (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
5-42 DBS 576 (USA), issued 6/2/98 576-13-300
S-Point ISDN Interface (SBRI)
Guidelines
• S-point ISDN is accommodated by the SBRI/4 card which is installed in the 
flexible slot. Four S-point ISDN lines can be connected to each SBRI/4 card. 
• S-point ISDN is connected to the SBRI/4 card using 8-conductor modular 
connectors. See Figure 5-16 on page 5-43 for the pin configuration of the 8-
conductor modular connectors.
• Setting the rotary switch...

Section 300-Installation Chapter 5 - Trunks and Extensions
576-13-300 DBS 576 (USA), issued 6/2/98  5-43
Figure 5-16. Connection of S-point ISDN Interface (SBRI)
Point to Multi-point connection
Point to Multi-point connection is available in S-point BRI.
If you use point to multi-point connection, wiring length limitation is 
different depending on the program setting. (Passive Bus : FF31 BSSC 0202)
0: Short distance away:
Wire Distance
High Impedance wire (Zo = 150 ohms) 22 AWG - 4630 Ft.
24 AWG - 2890...

Chapter 5 - Trunks and Extensions Section 300-Installation
5-44 DBS 576 (USA), issued 6/2/98 576-13-300
1:  Long distance away:
Maximum 6/10 of a mile (1km) 
The distance between terminal equipments must be connected 
within 25-50m in order to restrict delay of the signal.
Figure 5-17. Point to multi-point connection (Long distance away) 

Section 300-Installation Chapter 5 - Trunks and Extensions
576-13-300 DBS 576 (USA), issued 6/2/98  5-45
S-point ISDN Primary Rate Interface (PRI)
Guidelines
• The S-point ISDN primary rate interface is accommodated on the PRI/23 card 
which is installed in the flexible slot. You can connect one S-point ISDN primary 
rate interface carrier line to each PRI/23 card.
• By setting the switch and reprogramming, the PRI/23 card can also be set up as an 
T-point ISDN primary rate interface (see page 5-22).
•...

Chapter 5 - Trunks and Extensions Section 300-Installation
5-46 DBS 576 (USA), issued 6/2/98 576-13-300
Installation
1.  Set the Dip switch (SW2-1) of the PRI/23 card OFF (extension).
2.  Set the Dip switch (SW2-2) of the PRI/23 card as shown in Table 5-33.
Table 5-33.  Switch Setting for SW2-2 on PRI/23 Card
3.  Set SW1 on the PRI/23 card according to the following table.
These switch settings correspond to the distance between the DBS 576 
and the ISDN terminal. To turn a switch on, set it to the up...