Cisco GoQAM Installation And Operation Manual page 50

Modulator rf output and if output hardware
Table of Contents

Advertisement

Chapter 2 Installing the GoQAM
Location of IF OUT Ports
The following illustration shows an example of the two IF OUT ports on the IF
GoQAM connected to the upconverter.
Connecting the RF Out or IF OUT Ports
Follow these steps to connect the RF OUT or IF OUT ports.
CAUTION:
Establish the RF output level and the IF output level before you
connect the RF OUT or IF OUT ports to the distribution plant.
Important: We strongly recommend that you configure and adjust frequencies
from the Set Up GoQAM window on the DNCS. See Provision the RF
GoQAM (on page 37), or Provision the IF GoQAM (on page 53) for detailed
instructions.
1
Refer to your network wiring diagram to connect the GoQAM properly.
2
Locate the RF OUT or IF OUT ports on the back panel of the GoQAM.
Connect one end of a 75 Ω coaxial cable to each port to be used for the GoQAM.
3
4
Verify that you have established the correct output level for the RF OUT or the IF
OUT ports by completing the following steps:
a
Connect the GoQAM to a spectrum analyzer to measure radio frequency
levels.
b Set the RF or IF output levels from the front panel of the GoQAM.
Provision the GoQAM from the DNCS.
c
Notes:
For the RF GoQAM, see Adjust the RF Output Level of a Selected Carrier (on
page 87) and Provision GoQAMs on the DNCS (on page 46) for more
information.
For the IF GoQAM, see Adjust the IF Output Level of a Selected Carrier (on
page 110) and Provision an IF GoQAM on the DNCS (on page 71) for more
information.
34
4004834 Rev D

Advertisement

Table of Contents
loading

Table of Contents