Avaya Ethernet Routing Switch 8300 Series Quick Start Manual page 32

Hardware installation
5. Record the positions of the ground stud and the positive and negative power
6. Attach the earth ground lead to the ground stud on the power supply. Use the
7. Attach the positive voltage lead to the positive terminal on the power supply,
8. Attach the negative voltage lead to the negative terminal on the power supply,
9. Tighten the hex nut using a 7/16 in. hex wrench on each terminal.
10. Attach the earth ground cable to the system or rack ground for the DC input power
11. Attach the positive and negative terminal leads to the DC input power source
12. Replace the plastic safety cover on the power supply using a Phillips screwdriver.
13. Firmly slide the power supply all the way into the bay.
14. Tighten the retaining screws until the power supply is firmly seated.
15. Turn the DC input power source on, or reset the power source circuit breaker, to
16. Turn the power supply switch to the on position.
32 Quick Start
inputs.
Important:
Make sure the +DC cable is always connected to the positive terminal and that
the -DC cable is always connected to the negative terminal.
Voltage:
Risk of injury by electric shock
Before you continue with this procedure, ensure that the DC power source is
switched off.
washers in the following order:
• flat washer
• crimp lug
• lock washer
• hex nut
inserting a lock washer between the crimp lug and each hex nut.
inserting a lock washer between the crimp lug and each hex nut.
source.
according to the safety and technical specifications for your 48 V power distribution
system.
provide power to the power supply.
Important:
If the chassis contains two or three non-redundant power supplies, turn on the
power supplies simultaneously. If you wait longer to turn on the second power
supply, one of the power supplies can turn off within 7 seconds. To correct this
condition, turn off the power supplies for a short period of time and then
simultaneously turn them on.
May 2011