Installation Manual

1027144–0001 Draft – Revision D.01 3–24 Installing indoor RT equipment
RT installation
A channel and control module (CCM) must be installed in the top
slot (slot 1) of the IDU chassis. For an RT IDU, the CCM must be
a CCM RT (HNS 1027181–0002), as shown in figure 3-13.
Figure 3-13 CCM RT
Liquid crystal
display (LCD)
Control pushbuttons
(for LCD)
IFL
interface
Maintenance
port
rt022
TM
BROADBAND
ENTER
RT CCM
Auxiliary
IF port
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 3.5.
To install the CCM RT, follow the steps below:
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.
Figure 3-14 ESD wrist strap
TM
BROADBAND
ENTER
hb061
Wrist
strap
Connect to IDU chassis
ground terminal.
3.4
Installing the CCM