Grass Valley Trinix v.2.4.1 - Manual (Page 224)

Glossary
224 Planning and Installation Manual
EBU - European Broadcasting Union. Internet address: http://www.ebu.ch/.
extended crosspoint bus - see CROSSPOINT BUS .
fabric board - DM-33100 matrix board used in Trinix router.
FPGA - Field Programmable Gate Array.
HI-33110- precursor to HI-33200 SD/HD Input Module. Consists of a 16-input base board (HI-
33110) and a 16-input mezzanine board (HI-33011), providing 32 inputs. The module sup-
ports data rates of 3 Mbps to 1.485 Gbps. A “gain cell” is included on this board to be used in
conjunction with the port expanders in order to create multi-chassis routers.
level - historically, a switcher matrix that carries one type of signal, as determined by DIP
switch settings on crosspoint boards. Example: level 1 for video, levels 2 and 4 for left and
right audio, etc. However, in 3-stage switching systems this switch-set level is referred to as
the “physical” level; and large systems may require more than one physical level to provide
enough hardware for an entire “logical” level (such as video). The Jupiter Physical Switching
menu refers to a “logical level” that is actually the logical level number, this being the row
number on which the level is identified on the Switcher Level Descriptions table. The logical
level name also appears on this table.
matrix bus - see CROSSPOINT BUS .
OPM - OUTPUT MONITOR .
output monitoring - feature of routing switcher which allows control system to verify switcher
performance without interrupting normal operations. A separate, internal switching system
is used to switch the Monitor Output to any output of the switcher.
physical level - see
LEVEL
.
refresh - continuous repetition of switching instructions and confirmation of crosspoint status.
Reports any interruption of service – for example, if crosspoint board is removed. When
board is replaced, automatically restores previous switch instructions.
SMPTE - Society of Motion Picture and Television Engineers. URL: http://www.smpte.org.
SMPTE 259M-1997 - Television standard: “10-Bit 4:2:2 Component and 4fsc Composite Digital
Signals - Serial Digital Interface.”
SMPTE 269M-1999 - Television standard - “Fault Reporting in Television Systems.”
SMPTE 274M-1998 - Television standard: “1920 x 1080 Scanning and Analog and Parallel Digi-
tal Interfaces for Multiple Picture Rates.”
SMPTE 292M-1998 - Television standard: “Bit-Serial Digital Interface for High-Definition Tele-
vision Systems.”
SNMP - Simple Network Management Protocol.