3
Communication (continued)
3.3 Upgrading Firmware for the System Board
WARNING: Make sure that the UPS is in bypass mode and that all power modules have been completely
de-energized.
WARNING: When the system is in manual bypass mode, bypass power is still present in the output
terminal block.
Before upgrading your fi rmware, please verify the fi rmware version using the control panel (Figure 3.3a).
(Maintenance
Others
SN & FW Version)
M
M
E
E
A
A
S
S
U
U
U
U
P
P
S
S
S
S
M
M
A
A
I
I
N
N
T
T
M
M
A
A
I
I
N
N
T
T
E
E
S
S
T
T
A
A
T
T
I
I
E
E
V
V
E
E
N
N
T
T
M
M
A
A
N
N
U
U
A
A
F
F
I
I
R
R
M
M
W
W
O
O
T
T
H
H
E
E
R
R
O
O
T
T
H
H
E
E
R
R
S
S
S
S
N
N
&
&
S
S
Y
Y
S
S
T
T
E
E
M
M
O
O
D
D
U
U
L
L
R
R
E
E
E
E
T
T
U
U
P
P
E
E
N
N
A
A
N
N
C
C
E
E
N
N
A
A
N
N
C
C
E
E
S
S
T
T
I
I
C
C
L
L
O
O
G
G
L
L
S
S
E
E
T
T
U
U
P
P
&
&
T
T
A
A
R
R
E
E
U
U
P
P
G
G
R
R
A
A
D
D
E
E
S
S
F
F
W
W
V
V
E
E
R
R
S
S
I
I
O
O
N
N
M
M
T
T
I
I
M
M
E
E
E
E
D
D
C
C
B
B
U
U
S
S
V
V
O
O
L
L
Fig 3.3a
77
E
E
S
S
T
T
T
T