Table 44: N+0 Ac Power Calculations For 48-Port Ex4300 Switches Except Ex4300-48Mp And Ex4300-48Mp-S Switches; Table 45: N+0 Ac Power Calculations For Ex4300-48Mp And Ex4300-48Mp-S - Juniper QFabric QFX3000-G Hardware Documentation

Table 44: N+0 AC Power Calculations for 48-Port EX4300 Switches Except EX4300-48MP and EX4300-48MP-S
Switches
Power Supply Rating
PSU PSU
0 1
350 W AC –
350 W AC 350 W AC
350 W AC 715 W AC
715 W AC –
715 W AC 715 W AC
715 W AC 1100 W AC
1100 W AC –
1100 W AC 1100 W AC
1100 W AC 350 W AC
Table 45: N+0 AC Power Calculations for EX4300-48MP and EX4300-48MP-S Switches
Power Supply Rating
PSU PSU
0 1
715 W AC –
715 W AC 715 W AC
715 W AC 1100 W AC
715 W AC 1400 W AC
Copyright © 2018, Juniper Networks, Inc.
Total Power
(in watts)
PSU (W) +
0
PSU (W)
1
350
700
1065
715
1430
1815
1100
2200
1450
Table 45 on page 167 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.
Total
Power (in
watts) Usable
System
PSU (W) +
Power (in
0
PSU (W)
watts)
1
715 679
1430 1358
1815 1615
2115 1615
Usable Backup
System Power Base
Power (in (in Power (in
watts) watts) watts)
350 0 175
665 0 175
993.5 0 175
715 0 175
1358.5 0 175
1705 0 175
1100 0 175
2090 0 175
1340 0 175
Backup Base
Power Power
(in (in
watts) watts)
0 300
0 300
0 300
0 300
Chapter 7: EX4300 Overview
Available Ports
PoE Power Enabled
(in watts) for PoE+
175 5
490 16
818 27
540 18
1183 39
1440 48
925 30
1440 48
1165 38
Available Ports Ports
PoE Enabled Enabled
Power (in for for
watts) PoE+ PoE++
379 12 3
1058 35 11
1315 43 13
1315 43 13
167