Figure 4-4 Front Panel Display For The Oob Diagnostic - Motorola DCH6416 Installation Manual

4 DIAGNOSTICS

Figure 4-4 Front panel display for the OOB diagnostic

The Out-Of-Band Status fields are:
Field Description
OOB Indicates the OOB tuner center frequency, from 70 to 130 MHz.
Frequency
Carrier Indicates whether the OOB receiver is locked to the carrier:
Lock
OSD
YES
NO
Data Indicates whether data is being carried by the OOB and EMM traffic, which is tracked separately:
OSD
YES
NO
EMM Data Indicates whether EMM data is being carried on the OOB stream:
OSD
YES
NO
SNR When carrier lock has been established, displays an estimate of the carrier signal-to-noise ratio
in dB, with an explanation:
GOOD—Good value
FAIR—Marginal signal level, check the signal
POOR—Unusable signal
INVALID—Invalid SNR value
AGC When carrier lock has been established, displays an estimate of the AGC as a percentage, with
an explanation:
GOOD—Good value
FAIR—Marginal signal level, check the signal
POOR—Unusable signal
INVALID—Invalid AGC value
Data activity
indicator
OOB
diagnostic
indicator
Front Description
Panel
L Carrier locked
U Carrier unlocked
Front Description
Panel
On OOB data detected within last 5 seconds
Off OOB data not detected within last 5 seconds
Front Description
Panel
On EMM data detected within last 5 seconds
Off EMM data not detected within last 5 seconds
30
EMM data
activity indicator
Carrier lock indicator
(L = locked, U = unlocked