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4 rf connection, 5 verifying transponder operation – Alpha Technologies DOCSIS HMS User Manual

Page 15

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15

745-420-C0-002 Rev. B

2.0

Transponder Installation, continued

2.4

RF Connection

Connect the RF drop to the face of the transponder. The drop must have a properly installed
ground block in or on the power supply enclosure. Recommended forward RF level is 0 dBmV.

2.5

Verifying Transponder Operation

During initial transponder power-up, the RDY LED will be on solid.

Once the reset is complete, the RDY LED will flash at a ½ sec ON, ½ sec OFF rate.

The RX LED will now be ON, flickering OFF occasionally, indicating a link with the CMTS
has been established.

The HMS LED will occasionally flicker ON, indicating communication with the EDSM.

Battery

Input

Temp

Probe

Battery

Breaker

LOCAL

RF

RF Connection

Fig. 2-4, RF Connection with Ground Block

Ground Surge

Protector

User Provided

Alpha requires installing a grounded surge suppressor (Alpha P/N 162-028-10 or equivalent).

See Caution Below

RF Cable

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