Unpacking the Chassis
72 7750 SR-a4 and SR-a8 Installation Guide
Unpacking the Chassis
Unpack and install the 7750 SR-a4 or 7750 SR-a8 chassis before you install the components.
The CPM-a, IOM-a, MDA-a cards, and cables are field-installable and field-replaceable
components. Refer to Installing Components on page 107 and Appendix C:
Field-Replaceable Units on page 171 for more details.
Unpacking Precautions
Review the following list to avoid injury and to prevent damage to the 7750 SR-a chassis.
Figure 16 shows the 7750 SR-a chassis packaging. Table 33 describes the contents.
Danger:
• To prevent injury or damage to the router, it is recommended that two people remove
the router from the shipping box and mount it into a rack.
• When unpacking the chassis, lift the chassis by its rack mounting brackets; do not put
your hands inside a card slot to lift the chassis.
• Do not load components into the chassis until the chassis is mounted in the rack.
Warning:
• The shipping weight of each SR-a chassis is:
→ 7750 SR-a4 chassis: 31 lb (14.06 kg)
→ 7750 SR-a8 chassis: 38 lb (17.24 kg)
• The 7750 SR-a4 and 7750 SR-a8 chassis are shipped in a heavy corrugated cardboard
container protected by a foam cap and base. Do not discard the packaging container
and materials used in shipping. The packing materials should be reused if it is
necessary to relocate the router.
• Keep the arrows on the shipping container pointed up.
• Keep the chassis wrapped in the antistatic packaging until you are ready to install the
chassis.
Note:
• The unpackaged weight of each SR-a chassis is:
→ empty 7750 SR-a4 chassis: 22.71 lb (10.30 kg)
→ empty 7750 SR-a8 chassis: 30 lb (13.61 kg)
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