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
51751750350350–350 W AC
164901750665700350 W AC350 W AC
278181750993.51065715 W AC350 W AC
185401750715715–715 W AC
39118317501358.51430715 W AC715 W AC
4814401750170518151100 W AC715 W AC
30925175011001100–1100 W AC
4814401750209022001100 W AC1100 W AC
381165175013401450350 W AC1100 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.
176
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