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Avaya M770 User’s Guide 9
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
Table 3.1 Avaya M770 Control Panel LEDs
LED Name Represents State Function
PS
(1, 2, 3)
Power supply status
(for PS1, PS2, PS3)
On Power supply is
functioning normally
Blinking Power supply is faulty
Off No power supply
Fan
(1, 2)
Fan status
(for Fan 1, Fan 2)
On Fan is functioning normally
Blinking Fan is faulty
Off No fan
SB1-ETH SB2-ETH CONSOLE
HUB RESETPOWER SUPPLY
1
2
3
MSPV-1
OPR
MSPV-2
OPR
1
2
FAN
12345
6 7 8 9 10 11 12 13 14
PS-1
LED
PS-2
LED
FAN1
LED
FAN2
LED
PS-3
LED
MSPX-2
OPR LED
MSPX-2
Reset button
MSPX-1
OPR LED
MSPX-1
Reset button
M770