UPS5000-A-400 kVA
User Manual (50 kVA, PF=0.9)
4 Installation Verification
Issue 03 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
108
Figure 4-20
Communication screen
IP address allocation parameter
−
If the MDU is directly connected to a computer, the IP address can only be allocated
manually. The IP addresses of the MDU and computer must be in the same network
segment, and must be different.
−
If the MDU is connected to a computer through a LAN switch or router with the
DHCP function, the IP address can be allocated manually or automatically.
Manual
: Check that their IP addresses are two different values on the same
network segment. Set the UPS IP address to be in the same subnet as the PC IP
address. Perform the bitwise AND operation for the UPS IP address and the
PC IP address with the subnet mask respectively. If the operation results are
the same, the two IP addresses are in the same subnet.
AND operation rule: 1 AND 1 = 1, 1 AND 0 = 0, 0 AND 1 = 0, 0 AND 0 = 0.
That is when the corresponding bits are both 1, the result is 1. In other cases,
the result is 0.
Table 4-3
Bitwise AND operation example
-
PC IP Address
(182.98.225.125)
UPS IP Address
(182.98.225.112)
PC IP address/UPS IP
address
10110110.01100010.111000
01.01111101
10110110.01100010.111000
01.01110000
Subnet mask
(255.255.255.192)
11111111.11111111.111111
11.11000000
11111111.11111111.111111
11.11000000
Bitwise AND operation
result
10110110.01100010.111000
01.01000000
10110110.01100010.111000
01.01000000