Chapter 3

Avaya M770 Hub Components

This chapter describes the key components of the Avaya M770 hub, including the control panel, M-SPV/M-SPX management modules, M-PS power supplies and fans. Field replacement of components is described in Chapter 4.

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2 3

1

2

OPR

OPR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SB1-ETH SB2-ETH CONSOLE

 

 

 

 

POWER SUPPLY

 

FAN

MSPV-1

MSPV-2

HUB RESET

 

 

 

 

 

 

1

2

 

3

4

 

5

6

7

 

8

9

10

11

12

13

14

 

PS-1

PS-2

PS-3

FAN 1 FAN 2

MSPX-1

MSPX-1

MSPX-2

MSPX-2

 

 

 

 

 

 

 

LED

LED

LED

LED

LED

OPR LED Reset button

OPR LED

Reset button

 

 

 

 

 

Table 3.1

Avaya M770 Control Panel LEDs

 

 

 

 

 

 

LED Name

 

Represents

State

Function

 

 

 

 

 

 

 

 

 

 

 

 

 

On

Power supply is

PS

 

Power supply status

 

functioning normally

 

 

 

 

 

 

(1, 2, 3)

 

(for PS1, PS2, PS3)

Blinking

Power supply is faulty

 

 

 

 

 

 

 

 

Off

No power supply

 

 

 

 

 

 

 

 

On

Fan is functioning normally

Fan

 

Fan status

 

 

 

Blinking

Fan is faulty

(1, 2)

 

(for Fan 1, Fan 2)

 

 

 

 

 

 

Off

No fan

 

 

 

 

 

Avaya M770 User’s Guide

9