Appendix A - Ba
Appendix A - Background Monitoring
ckground Monitoring
Confidential and Proprietary Information o
Confidential and Proprietary Information of ZTE CORPORATION
f ZTE CORPORATION
57
57
F
F
I G U R E
I G U R E
3
3
0
0
C
C
O N N E C T I O N I N
O N N E C T I O N I N
R
R
E L A Y
E L A Y
O
O
U T P U T
U T P U T
M
M
O D E
O D E
(
(
W I T H
W I T H
Z X U P S
Z X U P S
S 6 1 0
S 6 1 0
T
T
A
A
K
K
E
E
N
N
A
A
S
S
A
A
N
N
E
E
X A M P L E
X A M P L E
)
)
Note:
Note:
The maximum voltage of the relay contact is 250 VAC or
The maximum voltage of the relay contact is 250 VAC or
28 VDC; the maximum current of the relay contact is
28 VDC; the maximum current of the relay contact is
1 A.
1 A.
The relay and the control circuit are
The relay and the control circuit are
insulated.
insulated.
RS232 Serial Port Mode
RS232 Serial Port Mode
The UPS has a 9-pin RS232 serial port. The pin definition is shown in
The UPS has a 9-pin RS232 serial port. The pin definition is shown in
is shown in
is shown in
Table 14
Table 14
.
.
T
T
A
A
B
B
L
L
E
E
1
1
4
4
P
P
I
I
N
N
D
D
E F I N I T I O N O F
E F I N I T I O N O F
R S 2 3 2
R S 2 3 2
S
S
E R I A L
E R I A L
P
P
O
O
R
R
T
T
Pin
Pin
Signal
Signal
Description
Description
2
2
TXD
TXD
Transmit
Transmit
signal
signal
3
3
RXD
RXD
Receive
Receive
signal
signal
5
5
XGND
XGND
Signal
Signal
ground
ground
