Disconnection And Isolation; Netra T4 Ac100 System; Netra T4 Dc100 System; Antistatic Precautions - Sun Microsystems Netra T4 AC100 Service And System Reference Manual

3. Open both DC circuit breakers.
4. Detach both DC input connectors.
5.4

Disconnection and Isolation

5.4.1

Netra T4 AC100 System

The disconnect devices for servicing are defined as:
The appliance inlet on the rear of the system
The circuit breakers in the rack in which the system is mounted
The mains plug
5.4.2

Netra T4 DC100 System

The disconnect devices for servicing are defined as:
The circuit breakers in both negative supply conductors
Both DC input connectors
5.5

Antistatic Precautions

Caution – Wear an antistatic wrist strap and use an ESD-protected mat when
!
handling components. When servicing or removing system unit components, use an
antistatic wrist strap with a 10 mm press stud connection and attach the antistatic
wrist strap to the press stud at the rear or front of the chassis before removing the
top access cover.
Chapter 5 Before Servicing the System 5-5