Hughes Network Systems 24SX-001 ユーザーズマニュアル
1027144– 0001 Revision D
Maintenance 10–13
RT installation
To replace an SSI, follow the steps below.
SSIs are hot swappable, so you do not need to power off the IDU
to replace an SSI. If you need additional details concerning the
instructions below, see section 3.5 (page 3–27).
to replace an SSI. If you need additional details concerning the
instructions below, see section 3.5 (page 3–27).
Removing the SSI
1.
Note which slot the SSI to be replaced is in.
2.
Loosen the thumbscrews at each end of the SSI.
3.
Using an ESD wrist strap connected to a chassis ground
terminal, slide the SSI out of its slot.
terminal, slide the SSI out of its slot.
CAUTION
Always wear a new or recently tested
electrostatic discharge (ESD) wrist strap
(figure 3-14) when handling circuit
modules. Failure to use a wrist strap may
result in damage to components.
electrostatic discharge (ESD) wrist strap
(figure 3-14) when handling circuit
modules. Failure to use a wrist strap may
result in damage to components.
4.
Place the SSI in ESD protective packaging.
Installing the replacement SSI
5.
Slide the replacement SSI into the slot from which you
removed the previously installed SSI.
removed the previously installed SSI.
6.
Tighten the thumbscrews at each end of the SSI.
7.
Use the CCM LCD to check the SSI status. (For details, see
section 7.7).
section 7.7).
8.
Notify the EMS operator that the replacement SSI is ready
for service.
for service.
10.6
Replacing SSIs