Ericsson TT1222 User's Guide Page 109

  • Download
  • Add to my manuals
  • Print
  • Page
    / 198
  • Table of contents
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 108
Technical Specification
B.7.3 ASI Output Option (TT1222/HWO/ASI/OUT)
The ASI interface is implemented in accordance with
CENELEC EN50083-9: ref[15], in particular Annex B and E.
Table B.18: ASI Output
Parameter Specification
Safety status SELV
Output connector
BNC, female 75 Ω
Sustained transport stream data rate 50 Mbps
Non-bursting (spread byte mode).
Size of packet (188 or 204) is not user
selectable. It is dependent on the TS input and
whether the output is scrambled or
descrambled.
Type of ASI Output
selected
Output Packet Size
Descrambled output.
Output is always 188
byte packets
Characteristics
Scrambled output
Output will be the
same packet size as
the TS input.
(ASI input can be 188
bytes or 204 byte
packets and QPSK is
always 204 byte
packets.)
No of Descrambled Services
2 (1 TV Service and one additional audio
service)
Output levels
800 mV p-p ±10%
Deterministic jitter < 10% p-p
Random jitter < 8% UI p-p
When a service is being descrambled for monitoring, the descrambled output can
also be made available on the ASI output. Alternatively the unit can be configured to
output the scrambled TS.
EN/LZT 790 0002/2 R1A
B-13
Page view 108
1 2 ... 104 105 106 107 108 109 110 111 112 113 114 ... 197 198

Comments to this Manuals

No comments