User's Manual

Screen Service SDT ARK 1 ECHO Operations
Jan, 2012 v 1.ATSC_FCC Page 3 - 22
Box
Parameter /
Control
Description
Admitted Ranges / Values
R/H
ASI
Word Errors
Total amount of ASI wrong words received.
R
RTP
Protocol
Ethernet input packets protocol.

UDP

RTP
R
RTP
Bitrate [bit/s]
Bitrate of TS from Ethernet input.
R
RTP
Filtered
bitrate[bit/s]
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
R
RTP
Format
Format of received TS Packets (Ref. to CEI EN 50083-9).

188 Bytes

240 Bytes
R
RTP
Lock
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
R
RTP
Sequence
error
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
R