Hughes Network Systems 38HL-001 ユーザーズマニュアル
1027145 – 0001 Revision D
10–14 Maintenance
Hub installation
Environments where IFLs are installed vary widely. Therefore, use
the general instructions below as guidelines.
the general instructions below as guidelines.
If you need to replace the IFL:
1.
Make sure the EMS operator has taken the HT out of
service.
service.
2.
Remove power from the IDU chassis power supply.
3.
Disconnect all four IFL N connectors, as shown in
figure 10-7:
figure 10-7:
- 1 connector at the IDU
- 1 connector at the ODU
- 2 connectors at the lightning arrestor
Figure 10-7
Disconnect N connectors at the
four locations shown here
ODU
IFL
Lightning
arrestor
T0006013
IFL
Roof
IDU
N
N
N
N
N
= N connector location
4.
Remove the two IFL cable segments:
- From IDU to the lightning arrestor
- From the lightning arrestor to the ODU
5.
Install the replacement IFL cable according to the
instructions in chapter 5.
instructions in chapter 5.