Panasonic Digital Business System 576 Technical Manual Section 300

							Section 300-Installation Chapter 4. - Installing Additional Cabinets
576-13-300 DBS 576 (USA), issued 6/2/98  4-15
8.  Connect the ground wires of the power cables connected at the switch box to the 
frame ground. One cable is supplied with switch box and one cable is supplied 
with the expansion cabinets.
Figure 4-17. Switch Box AC Cables to Frame Ground Connections 
						

							Chapter 4. - Installing Additional Cabinets Section 300-Installation
4-16 DBS 576 (USA), issued 6/2/98 576-13-300
9.  Connect the power supply to switch box AC cables to the power supply units of 
the top, middle and bottom cabinets.
10.  Connect the ground wires of the expansion AC cables connected to the power 
units to the chassis.
Figure 4-18. Power Supply AC Cable to Frame Ground Connections 
						

							Section 300-Installation Chapter 4. - Installing Additional Cabinets
576-13-300 DBS 576 (USA), issued 6/2/98  4-17
11.  Connect the BATT-CTRL connector on the switch box using the supplied 
BATT-CTRL cable harness.
12.  Connect the BATT-CTRL cable harness to the connectors of the top, and middle 
power supply units. Use the longest cable for the top power supply and the 
shortest cable to the middle power supply. 
Figure 4-19. Battery Control Connections to Expansion Cabinet Power Supplies 
						

							Chapter 4. - Installing Additional Cabinets Section 300-Installation
4-18 DBS 576 (USA), issued 6/2/98 576-13-300
13.  Screw the +24V (white) and GND (black) cables of the BATT-CTRL harness to 
the bottom power supply unit in base cabinet.
Figure 4-20. Battery Control Connection to Base Cabinet Power Supply
14.  Make certain the base cabinet power supply is OFF.
15.  Plug the AC cable into an outlet with a dedicated breaker.
Note:An dedicated external circuit breaker must be used.
16.  The power switch of upper and middle cabinets should be kept ON so that the 
power switch of base cabinet controls power for all cabinets. 
						

							Section 300-Installation Chapter 4. - Installing Additional Cabinets
576-13-300 DBS 576 (USA), issued 6/2/98  4-19
Battery Backup (VB-44025)
Guidelines
• When installing batteries for battery backup, each cabinet must have a separate 
set of batteries.
• The battery cable must be at least 18 AWG.
• With normal condition, the backup batteries last for about 20 minutes.
• The backup batteries should be replaced about every 3 years.
Installation
1.  Connect the red +24V cable to the + terminal of battery B.
2.  Connect the blue GND cable to the 
- terminal of battery A.
3.  Using the supplied 8-inch black battery cable to the 
+ terminal of battery A and 
to the 
- terminal of battery B.
4.  Slide the batteries into the guides in the cabinet.CAUTION:
• Turn the power switch and the external breaker OFF, and disconnect the 
AC cable before installing the backup battery.
• Carefully note the polarity of the batteries to prevent shorting.
THE PRODUCT YOU HAVE PURCHASED MAY CONTAIN SEALED LEAD 
ACID BATTERIES WHICH ARE RECYCLABLE. AT THE END OF THEIR 
USEFUL LIFE, UNDER VARIOUS STATE AND LOCAL LAWS, IT IS ILLEGAL 
TO DISPOSE OF THESE BATTERIES INTO YOUR MUNICIPAL WASTE 
STREAM. PLEASE CALL 1-800-SAV-LEAD FOR INFORMATION ON HOW TO 
RECYCLE THESE BATTERIES. 
						

							Chapter 4. - Installing Additional Cabinets Section 300-Installation
4-20 DBS 576 (USA), issued 6/2/98 576-13-300
Figure 4-21. Installation of cabinet backup batteries (VB-44025)
-48 Volt Power Supply (VB-44022)
Guidelines
• Any cabinet that contains an E&M Tieline Card, Ground Start/Loop Start Card or 
DID Card must have a -48 Volt Power Supply.
• Each cabinet must have a separate -48 Volt Power Supply.
Installation
1.  Turn the power switch and the external breaker OFF, and disconnect the AC 
cable.
2.  Insert the -48 Volt Power Supply into the -48 volt power supply slot.
3.  Secure the -48 Volt Power Supply into place by inserting the supplied lock 
washer and screw into the front tab. CAUTION:
• Turn the power switch and the external breaker OFF, and disconnect the 
AC cable before installing the -48V power supply. 
						

							Section 300-Installation Chapter 4. - Installing Additional Cabinets
576-13-300 DBS 576 (USA), issued 6/2/98  4-21
4.  Connect the provided 5-conductor power cable to the power connector on the 
front of the -48volt power supply.
5.  Connect the green lead to the cabinet ground terminal as shown.
6.  Connect the black lead to the - 48 Volt terminal of the power supply.
7.  Connect the orange lead to the SG terminal of the power supply.
8.  Connect the red lead to the 24 Volt terminal of the power supply.
9.  Connect the blue lead to the GND terminal of the power supply.
10.  Connect the supplied green wire from the SG terminal of the power supply to 
the upper Power Supply ground screw.
11.  Reconnect the AC cable, turn the external breaker to ON and turn the power 
switch to ON.
Figure 4-22. Installation of -48 Volt Power Supply (VB-44022) 
						

							Chapter 4. - Installing Additional Cabinets Section 300-Installation
4-22 DBS 576 (USA), issued 6/2/98 576-13-300
Connecting the Systems
Guidelines
• When expanding a system using the building block method, use the supplied 
cables to connect the TSW288/TSW576 card to the CBL card.
• Use the TSW288 card when the system has 288 or fewer ports. Use the TSW576 
card when there are more than 288 ports.
• The description of how to connect systems when the building block method is 
based on an example of expanding the number of ports to 576. Please use Figure 
4-23 to Figure 4-27 to connect systems with different numbers of ports.
• After the CBL interconnecting cables are installed, the Cabinet ID rotary switch 
on the CBL card must be set to determine the cabinet ID. The ID settings are 
shown in Figure 4-23 through Figure 4-27. See “Setting ID No. of Additional 
Cabinets” on page 4-27 for more information.
Important Note:Cabinets with ID rotary switch settings 1 and 2 must be 
cabled together in series as shown in the following figures. Cabinets with ID 
rotary switch settings of 3, 4 and 5 must be cabled together in series. Do not 
intermix these groups when cabling or the system may fail to operate.
Installation
1.  Use the supplied cable to connect the connector at the bottom left of the 
TSW576 card installed in the OP1 slot in the 1st cabinet to the connector at the 
bottom left of the CBL card installed in the CPC slot of the 2nd cabinet.
2.  Use the supplied cable to connect the connector at the top left of the TSW576 
card installed in the OP1 slot in the 1st cabinet on the right side to the connector 
at the top left of the CBL card installed in the CPC slot of the 2nd cabinet.
3.  Use the supplied cable to connect the connector at the bottom right of the CBL 
card installed in the CPC slot of the 2nd cabinet to the connector at the bottom 
left of the CBL card installed in the CPC slot of the 3rd cabinet.
4.  Use the supplied cable to connect the connector at the top right of the CBL card 
installed in the CPC slot of the 2nd cabinet to the connector at the top left of the 
CBL card installed in the CPC slot of the 3rd cabinet. CAUTION:
• Turn the power switch and the external breaker OFF and disconnect the 
AC cable before connecting the system.
• To prevent EMI interference to TVs, radios, etc., install EMI filters. 
						

							Section 300-Installation Chapter 4. - Installing Additional Cabinets
576-13-300 DBS 576 (USA), issued 6/2/98  4-23
5.  Use the supplied cable to connect the connector at the bottom right of the 
TSW576 card installed in the OP1 slot in the 1st cabinet to the connector at the 
bottom left of the CBL card installed in the CPC slot of the 4rd cabinet.
6.  Use the supplied cable to connect the connector at the top right of the TSW576 
card installed in the OP1 slot in the 1st cabinet to the connector at the top left of 
the CBL card installed in the CPC slot of the 4th cabinet.
7.  Use the supplied cable to connect the connector at the bottom right of the CBL 
card installed in the CPC slot in the 4th cabinet to the connector at the bottom 
left of the CBL card installed in the CPC slot of the 5th cabinet.
8.  Use the supplied cable to connect the connector at the top right of the CBL card 
installed in the CPC slot in the 4th cabinet to the connector at the top left of the 
CBL card installed in the CPC slot of the 5th cabinet.
9.  Use the supplied cable to connect the connector at the bottom right of the CBL 
card installed in the CPC slot of the 5th cabinet to the connector at the bottom 
left of the CBL card installed in the CPC slot of the 6th cabinet.
10.  Use the supplied cable to connect the connector at the top right of the CBL card 
installed in the CPC slot of the 5th cabinet to the connector at the top left of the 
CBL card installed in the CPC slot of the 6th cabinet.
11.  After the CBL interconnecting cables are installed, the Cabinet ID rotary switch 
on the CBL card must be set to determine the cabinet ID. The ID settings are 
shown in Figure 4-23 through Figure 4-27. See “Setting ID No. of Additional 
Cabinets” on page 4-27 for more information. 
						

							Chapter 4. - Installing Additional Cabinets Section 300-Installation
4-24 DBS 576 (USA), issued 6/2/98 576-13-300
Figure 4-23. System connection using building block method (576 port example)
Notes: The CBL cables must be routed through the greyed cable trough.
The circled numbers above refer to the installation procedure step numbers.