
Chapter 3
Avaya M770 Hub Components
This chapter describes the key components of the Avaya M770 hub, including the control panel,
The Control Panel
The control panel is located at the top of the front of the Avaya M770. It contains eight LEDs, three reset switches and three ports.
Figure 3.1 Control Panel Components
M770 |
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| 1 | 2 3 | 1 | 2 | OPR | OPR |
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| POWER SUPPLY |
| FAN | HUB RESET |
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1 | 2 |
| 3 | 4 |
| 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| FAN 1 FAN 2 |
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| LED | LED | LED | LED | LED | OPR LED Reset button | OPR LED | Reset button |
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Table 3.1 | Avaya M770 Control Panel LEDs |
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LED Name |
| Represents | State | Function |
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| On | Power supply is |
PS |
| Power supply status |
| functioning normally |
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(1, 2, 3) |
| (for PS1, PS2, PS3) | Blinking | Power supply is faulty |
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| Off | No power supply |
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| On | Fan is functioning normally |
Fan |
| Fan status |
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| Blinking | Fan is faulty | ||
(1, 2) |
| (for Fan 1, Fan 2) | ||
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| Off | No fan |
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Avaya M770 User’s Guide | 9 |