Chapter 8: ChannelPort module hardware reference
Key Component Description
8 Video Output (Primary)
Channel B
Use for primary video output or for HD-branded
output on Channel B when in Independent
Branding mode.
9 AES Audio IN Use for AES input.
10 LTC OUT Use for LTC output.
11, 12 Unused
13, 14 Reference In and
Reference Loop
Use these connectors to connect reference black
video to the ChannelPort. Reference black video
should be looped through these connectors and
then eventually terminated.
Refer to “About MediaPort module timing” for
additional information.
15 Soft Power button The Soft Power button, in the middle, is a
momentary switch that is used to perform a “soft”
reset of the ChannelPort. Once pressed, all
boards reset and code is re-loaded. The function
is similar to clicking the Reboot button on the
SystemManager ChannelPort Properties page.
The Status/Wink LED, on the bottom, is blue to
indicate power is ON. The LED will blink (wink)
when its wink mode is activated.
16 Status/Wink LED The Status/Wink LED, on the bottom, is blue to
indicate power is ON. This LED can show the
following states:
• Blue, solid: Indicates the unit is powered on.
• Off: Indicates the unit is powered off.
• Blue, blinking: Indicates wink state is on.
For information on changing the wink state,
refer to “Changing the ChannelPort wink state”
in the Harmonic SystemManager User Guide.
17 GPIO Connector This connector can be used for player or
graphics control, or for EAS connection. See
“GPIO connector signal assignments” for signal
assignments.
18 RS-422 Port and LEDs Use this connector (RJ-45) for RS-422 serial
control. The LED at the top left of the port
indicates channel activity.
19 Gigabit Ethernet Port Not applicable for systems running 8.4 and later
software; only systems running 8.3.x.x and earlier
software use this port.
20 Gigabit Ethernet Port Used only in MediaPort 7000.
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