Technicolor COM1000, Руководство интегратора

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10.3 Changing the Input
If a particular channel in the system is not playing, the first thing you should do is to ensure that
your RF signal strength is outputting appropriate values. Next, try resetting the card. If the
problem persists, you need to determine whether the video feed is glitchy or if you are working
with faulty equipment. Locate the problematic tuner and go over the following steps.
1. Tune to the faulty channel on another tuner that is known to be functioning. If video still
isn‟t streaming, there is probably an issue with the satellite feed. If the channel does
work, it may indicate a problem with the tuner.
2. Try tuning to another known working channel on the problematic tuner. If this doesn‟t
work, you may have a faulty tuner connection. If it does, the card may have encountered
a problem in fetching guide data, and you should try resetting it.
3. Switch the coaxial cable from an operational tuner onto the faulty tuner. If this causes
video to start playing, you may have a faulty B band converter. If it does not, there is
probably an issue with your tuner, and you should call it in.
4. Switch the coaxial cable coming from your RF distribution panel to another known
working switch. If this works, you may have a problem with your multiswitches and
should call the manufacturer.
10.4 Verifying Card Authorization
If multiple channels in the system are not playing, check for the following.
1. Locate the tuners that are causing the problem. For single tuners on multiple cards,
follow the procedures located above in
Section 0 for each tuner.
2.
If both tuners on a single card are malfunctioning, you may first want to check that card‟s
authorization status. If either the “Authorized” or “Paired” columns on the
PairingInfo
page (see Section 6.5
) display a „0‟, the card is not yet authorized.
3.
If the “Authorized” and “Paired” columns both display a „1‟, check the card‟s CAM log
(see
Sections 6.5 and 6.8.7 on accessing the CAM log) for any “Card not Authorized”
error messages.
4.
At this point, you may want to call DIRECTV to confirm your card‟s authorization status.
If the card‟s authorization status is sound, you should try following the procedures
located above in
Section 0 for both faulty tuners.
5. For any cards with authorization problems, see Section 9 for best-practice procedures in
having your card authorized or reauthorized before calling DIRECTV.