49
Powering the CMAP
Using DC Power (Staging or Debugging Only)
8
Powering the CMAP
The CMAP supports both POC (AC) and DC power. Depending on whether you are have
access to 45 to 90 VAC on the CMTS CATV cable or would prefer to power it with a 12 VDC
power supply, follow the relevant procedure below.
Using DC Power (Staging or Debugging Only)
Use DC power to supply power to the CMAP only when you are staging or debugging the
device in a lab environment. When performing the actual deployment of the CMAP, you
must use POC (see
“Using Power Over Cable (Actual Deployment)”
in the next section).
To supply power to the CMAP using DC power
1.
Obtain a DC power supply (refer to
DC Power Supply
2.
Connect the DC power supply to the DC connector (shown in
).
3.
Connect the DC adapter to a 120-240 VAC source.
You have completed connecting the CMAP to a DC power source.
Using Power Over Cable (Actual Deployment)
When performing actual deployment of the CMAP, you must use only Power Over Cable
(POC) via an F-type coaxial cable that is connected to the CMTS backbone.
To supply power to the CMAP using POC
1.
Insert the F-type coaxial cable that is connected to the CMTS backbone to the F-type
connector (Connector B) on the CMAP. Power is supplied through a power passing tap
on the CATV coax. The tap is connected to Connector B on the CMAP.
2.
Finger tighten the coaxial cable connector and then tighten to the recommended
torque specifications for the connector type that you are using.
3.
Verify that the CMAP is receiving power by checking if any of the LEDs are on.
You have completed supplying power to the CMAP using POC.
Summary of Contents for ZoneFlex 7761-CM
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