THOMSON Amethyst III User Manual

Appendix A ’Technical Specifications’ — Signal Processing
206 Amethyst III DTV Smart Switch
User Manual
TS Output
Table A-11. TS output specifications
Source Configurable in the GUI:
 Switch output on-air stream
 Switch output off-air stream
 TS input
Features
 Masquerading (IP only) to change all or part of
transmission parameters:
 Source IP address
 Destination IP address (multicast only).
Amethyst III does not manage unicast IP/MAC
as
sociation.
 Source UDP port
 Destination UDP port
 VLAN tagging
The output source MAC address is always the input
o
ne, as well as the RTP header.
The output destination MAC address is computed
f
rom the multicast destination IP address.
 No restamping: the PCR is not modified when a
switch occurs.
If a switch occurs from A to B between packet 0
an
d 1, the output will deliver: A0 - B1 - B2, where
Out
put date B1 - Output date A0 = Input date B1 -
Input date B0
 Deactivation on critical state: the TS output can
be deactivated when the status of the selected TS
input is critical

THOMSON Amethyst III Specifications

General

Brand	THOMSON
Model	Amethyst III
Category	Switch
Language	English