System 75 XE to R8si (Blowback)
Task List: System 75 XE to R8si
SI Installation and Upgrades
245
June 2004
Install port cabinets [75 XE upgrade]
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!
DANGER
:
The cabinet may weigh as much as 130 pounds and requires 2 handlers. Use caution
to avoid injury.
!
WARNING:
Before inserting or removing a circuit pack from a cabinet, put on a wrist strap and attach
its plug or clip to the cabinet’s frame.
1
Place the port cabinets into the positions from which they were previously removed (see
Figure
49, 4-cabinet R8si PPN — front view doors removed,
on page 246).
2
Replace the circuit packs and power supplies in port cabinets C and D if they were previously
removed.
3
Install the new labels on the front and rear of the port cabinets.