Hughes Network Systems 24HX-001 Manual De Usuario
1027145 – 0001 Revision E
6–26 Installing indoor hub equipment
Hub installation
A channel and control module (CCM) must be installed in the top
slot (slot 1) of the IDU chassis. For an HT IDU, the CCM must be
a CCM HT (HNS 1027181–0001), as shown in figure 6-15.
slot (slot 1) of the IDU chassis. For an HT IDU, the CCM must be
a CCM HT (HNS 1027181–0001), as shown in figure 6-15.
Figure 6-15
CCM HT
TM
BROADBAND
HUB CCM
ENTER
NEXT
PREV
Liquid crystal
display (LCD)
Control pushbuttons
(for LCD)
IFL
interface
Reference
clock
LAN
interface
Maintenance
port
Auxiliary
IF port
T0006031
The CCM supports the interface modules installed in the IDU
chassis by performing control, bus, upconversion, and
downconversion functions. These modules—SSIs—are described
in section 6.5.
chassis by performing control, bus, upconversion, and
downconversion functions. These modules—SSIs—are described
in section 6.5.
To install the CCM HT, follow the steps below:
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.
TM
BROADBAND
ENTER
PREV
NEXT
T0009051
Wrist
strap
Connect to
IDU chassis
ground terminal.
Figure 6-16
ESD wrist strap
6.4
Installing the CCM