Dc Power Supply Leds In An Ex8200 Switch - Juniper EX8208 Hardware Manual

The tables in this section list the N+1 power requirements of different EX8200 switch configurations:
Table 29 on page 72—Lists the N+1 power requirements of EX8208 switch configurations that use 2000
W DC power supplies.
Table 30 on page 72—Lists the N+1 power requirements of EX8216 switch configurations that use 3000
W DC power supplies.
Table 29: N+1 Power Redundancy Configurations for Different EX8208 Switch Configurations Using
2000 W DC Power Supplies
Switch Configuration
Base
Fully loaded with
8-port SFP+ line cards
Table 30: N+1 Power Redundancy Configurations for Different EX8216 Switch Configurations Using
3000 W DC Power Supplies
Switch Configuration
Base
Fully loaded with
8-port SFP+ line cards

DC Power Supply LEDs in an EX8200 Switch

A DC power supply has four LEDs on its faceplate: FAIL, OUT OK, A IN OK, and B IN OK LEDs. The text
A or B next to the OK IN LEDs indicates which input lug the LED corresponds to. All four LEDs display
information about the status of the power supply. See
NOTE: EX8208 switches support 2000 W DC power supplies.
EX8216 switches support 3000 W DC power supplies.
Input Voltage
–40 VDC through
–72 VDC
–40 VDC through
–72 VDC
Input Voltage
–40 VDC through
–72 VDC
–40 VDC through
–72 VDC
Power Supplies Needed
(N)
1
3
Power Supplies Needed
(N)
1
4
Figure 14 on page 73.
Power Supplies
Needed for N+1
2
4
Power Supplies
Needed for N+1
2
5
72