Alpha Technologies IDH3 - Manual (Page 15)

15
745-420-B0-001 Rev. A
2.0 Transponder Installation, continued
2.4 RF Connection
Connect the RF drop to the RF connector on 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.
RF Connection
Fig. 2-3, 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
to Headend
2.5 Verifying Transponder Operation
The LED behavior per the table below shows the status of LEDs during transponder
operation:
Communication State HMS RDY Tx Rx
Transponder Initializing OFF and ON OFF and ON OFF and ON OFF and ON
Searching for DOCSIS Downstream Channel OFF OFF and ON OFF OFF and ON
DOCSIS Channel Locked;
Establishing Upstream IP Connectivity OFF OFF and ON OFF and ON ON
IP Connectivity Established; Registering with CMTS OFF OFF and ON ON ON
Registration Complete OFF and ON OFF and ON ON ON