Sun Microsystems Netra T4 AC100, Service And System Reference Manual

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Chapter 5 Before Servicing the System 5-5
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.
!