Juniper QFX3500, Техническая документация

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Table 56: N+0 AC Power Calculations for 48-Port EX4300 Switches Except EX4300-48MP and
EX4300-48MP-S Switches
Ports
Enabled
for
PoE+
Available
PoE
Power (in
watts)
Base
Power (in
watts)
Backup
Power
(in
watts)
Usable
System
Power (in
watts)
Total
Power (in
watts)
PSU
0
(W) +
PSU
1
(W)
Power Supply Rating
PSU
1
PSU
0
5 175 175 0 350 350 – 350 W AC
16 490 175 0 665 700 350 W AC 350 W AC
27 818 175 0 993.5 1065 715 W AC 350 W AC
18 540 175 0 715 715 – 715 W AC
39 1183 175 0 1358.5 1430 715 W AC 715 W AC
48 1440 175 0 1705 1815 1100 W AC 715 W AC
30 925 175 0 1100 1100 – 1100 W AC
48 1440 175 0 2090 2200 1100 W AC 1100 W AC
38 1165 175 0 1340 1450 350 W AC 1100 W AC
Table 57 on page 177 lists the N+0 power calculation for EX4300-48MP and EX4300-48MP-S switches
that use 715 W, 1100 W, and 1400 W power supplies.
NOTE: When operating at low line configuration, the 1400 W power supply operates as 1100 W
power supply.
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