Cisco Model D9479 Gigabit QAM Modulator Installation Guide
Chapter 2 Installing the Dual SFP GQAM
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3 Insert the terminal block connector into the terminal block on the back panel of
the 48 VDC GQAM.
Note: The terminal block connector is keyed so that it can only be installed with
Note: The terminal block connector is keyed so that it can only be installed with
the screws facing up.
4 Keep the DC power source set to the Off position until you are ready to power
on the device.
5 Go to
Connect the DVB ASI Input Ports (on page 27).
Connecting an AC Power Source
Complete the following steps to connect an AC power source to the 120/230 VAC
GQAM.
1 Verify that the power switch on the back panel is placed in the Off position.
2 Connect the power cord to the AC power inlet on the back panel of the 120/230
1 Verify that the power switch on the back panel is placed in the Off position.
2 Connect the power cord to the AC power inlet on the back panel of the 120/230
VAC GQAM.
3 Connect the other end of the power cord to an AC electrical outlet.
4 Keep the power switch in the Off position until you are ready to power on the
4 Keep the power switch in the Off position until you are ready to power on the
device.
5 Go to
Connect the DVB ASI Input Ports (on page 27).