Hughes Network Systems 24HX-001 Manual De Usuario
1027145 – 0001 Revision E
10–8 Maintenance
Hub installation
Do not attempt to service or replace the IDU chassis power supply.
If there is a problem with the power supply, replace the entire
IDU chassis.
If there is a problem with the power supply, replace the entire
IDU chassis.
To replace the IDU chassis, follow these steps:
If you need additional details concerning the instructions below,
see chapter 6.
see chapter 6.
Removing the existing IDU chassis
1.
Make sure the EMS operator has taken the HT out of
service.
service.
2.
Remove power from the IDU chassis power supply.
3.
Mark each cable or otherwise note where each cable is
connected.
connected.
4.
Remove all cables from all modules.
5.
Remove the CCM:
a.
Loosen the thumbscrews at each end.
b.
Using an ESD wrist strap connected to a chassis
ground terminal, slide the CCM out of its slot, as
shown in figure 10-5.
ground terminal, slide the CCM out of its slot, as
shown in figure 10-5.
CAUTION
Always wear a new or recently tested
electrostatic discharge (ESD) wrist strap
(figure 6-16) when handling circuit
modules. Failure to use a wrist strap may
result in damage to components.
electrostatic discharge (ESD) wrist strap
(figure 6-16) when handling circuit
modules. Failure to use a wrist strap may
result in damage to components.
Figure 10-5
Removing the CCM
hb118
TM
BROADBAND
ENTER
HUB CCM
10.4
Replacing the IDU
chassis
chassis