Screen Service
SDT 200UB – SDT 500UB ARK-1 ATSC
Operations
July, 2009
v 1.0
Page 3 - 48
Box
Parameter /
Control
Description
Admitted Ranges / Values
I/A
ASI/SSI
Word Errors
Total amount of ASI wrong words received.
A
RTP Protocol
Not implemented -
Ethernet input packets protocol.
•
UDP
•
RTP
A
RTP Bitrate
[bit/s]
Not implemented -
Bitrate of TS from Ethernet input.
A
RTP
Filtered bitrate
[bit/s]
Not implemented -
Bitrate actually used by the modulator.
•
Zero when the input is not selected
•
Equal to the total bitrate, when Delete
Null Packets disabled
•
Less than total bitrate, when Delete
Null Packets enabled
A
RTP Format
Not implemented -
Format of received TS Packets (Ref. to CEI EN 50083-9).
•
188 Bytes
•
204 Bytes
A
RTP Lock
Not implemented -
TS lock status. The input Transport Stream is unlocked when more than two
consecutive Sync Byte are missed then five consecutive Sync Bytes must occur to regain the lock
(Ref. to ETSI ETR-291)
•
Green: Locked
•
Grey: Not locked
A
RTP
Sequence
error
Not implemented -
Ethernet input Sequence error alarm status. This alarm condition occurs when an
error in the sequence of input packets at IP level occurs.
•
Red: Alarm
•
Grey: No alarms
A
RTP Overflow
Not implemented -
Input GbE overflow alarm status. This alarm condition occurs when the input
bitrate exceeds the capability of the modulation (Ref. to ATSC A/53).
•
Red: Alarm on
•
Grey: Alarm off
A