Common Control Equipment Installation
38
A pair of Model 4048 Power Supplies may also be used.
To install or replace the internal Model 4020 Modular Power Supply
1. If the supply was not previously installed, a cover plate will have to be removed
from the rear of the Model 4020.
2. Remove the top cover and partially slide the module through the back until the
connector can be installed on J70, adjacent to the rear opening.
3. Verify the connector is properly aligned. Slide the module into the opening,
making sure the hooks on the rear of the module are inserted into the retaining tabs
near the front of the Model 4020.
4. Secure the module in place with the four thumbscrews. Replace the top cover.
To install the Model 4020 Dual Power Supply
1. Locate the Model 4020 Dual Power Supply directly above the Model 4020 card
cage. Connect the wiring harness from the dual power supply to one of the two
connectors (labeled “Power Supply”) on the card cage, noting that the connector
must be aligned properly, with the wires coming out the right side of the connector.
Either one of the “Power Supply” connectors may be used.
2. Cap off the unused “Power Supply” connector on the card cage with the supplied
12-conductor cap.
3. Apply AC power to both AC power cords coming from the rear of the dual power
supply.
4. Verify that both of the green “AC IN” LEDs are illuminated on the front panel, and
that all of the red “FAULT” LEDs are extinguished.
5. No voltage adjustment of the supply should be necessary. The Model 4020 Dual
Power Supply voltages should read:
+12.6 ±0.6 V
DC
+5.1 ±0.15 V
DC
-11.6 ±0.6 V
DC
To install the Model 4048 Power Supply (for a Model 4020 System)
1. Locate the two Power Supply connectors on the rear of the Model 4020.
2. Connect the Model 4048 Power Supply to either connector, or to both if redundant
supplies are used.
3. The Model 4048 Power Supply has features that are described in the Model 4048
section. For information on performing voltage checks, or to configure for battery
on page 34 and
Содержание 4000 Series
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Страница 28: ...Introduction 28 025 9533Y...
Страница 88: ...Common Control Equipment Installation 88 025 9533Y Figure 22 Console Duplex Wall Jacks...
Страница 110: ...Common Control Equipment Installation 110 025 9533Y...
Страница 172: ...Console Installation 172 025 9533Y...
Страница 192: ...Audio Level Adjustments 192 025 9533Y...
Страница 230: ...Accessory Installation 230 025 9533Y...
Страница 236: ...Console ANI Programming 236 025 9533Y...
Страница 339: ...339 RSMP Operation Figure 99 Main Screen...
Страница 350: ...Radio System Management Program 350 025 9533Y...
Страница 362: ...Appendix B Troubleshooting 362 025 9533Y...
Страница 417: ...417 Index wiring accessories 164 wall jack 86 wiring diagram for M4219 244 X XMT button labels 332 XP settings 247...
Страница 418: ...Index 418 025 9533Y...