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Glossary−4 CM 4000 Installation and Operating Manual
DVS − (Philips) Digital Video Systems. Successor to
BTS. Now part of Grass Valley.
EBU − European Broadcasting Union. Internet address: http://www.ebu.ch/.
ES 400
−
A term used in Grass Valley technical publications to denote the original asynchronous (non−reclock-
ing) version of the Venus digital audio switcher matrix board and associated components.
ES 401
−
A term used in Grass Valley technical publications to denote the new AES11 synchronous/asynchronous
version of the Venus digital audio switcher matrix board and its associated components.
ES 3000 ESnet Interface Circuit Card − Ethernet board used in PC compatible computers. No longer available.
ESbus − nickname for EBU/SMPTE
RS−422 bus protocol for remote control of television production equipment
using a full−duplex four−wire, asynchronous serial, 38.4 kbits/s digital channel. Connectors are 9−pin D. In-
corporates ANSI−SMPTE 207M and Recommended Practice 113. The Jupiter Serial bus is designed to be
compatible with ESbus; however, the serial data cable supplied by Grass Valley uses only 5 conductors. (In
Jupiter systems, “ESbus” usually refers to VTR control.)
ESbus Routing Switcher Protocol − used for control of a routing switcher with a third−party computer operat-
ing according to the proposed
ESBUS routing switcher dialect. Also referred to as ESCONTROL protocol. Uses
logical input and output numbers to identify crosspoints.
ESbus Tributary protocol − (a.k.a. “ESTR” and “ES−trib”). Full tributary ESBus automation protocol, com-
pliant with SMPTE EG 29−1993, and all associated normative references. The protocol supports all standard
bit rates from 300 to 115.2 kBPS. Flow control is an advantage with this protocol.
EScontrol − control of a “remote” (serial control) routing switcher using proposed ESBUS ROUTING SWITCHER PRO-
TOCOL. Also referred to as “ESbus Router” protocol.
ESnet − nickname for EBU/SMPTE proposed protocol for remote control of television production equipment
based on
THIN NET.
ESphysical − (a.k.a. “ESP”). Used for control of a routing switcher with a third−party computer operating ac-
cording to the proposed
ESBUS ROUTING SWITCHER PROTOCOL. Uses physical input and output numbers to iden-
tify crosspoints.
ESswitch protocol − (a.k.a. “ESW”). Protocol used for Jupiter control of a routing switcher by a third−party com-
puter. It is described in Grass Valley document “ESswitch Serial Routing Switcher Control Protocol, En-
hanced Version.” This is a simplified version of the
ESBUS ROUTING SWITCHER PROTOCOL. This protocol oper-
ates in a “pre−selected” mode, and no polling or flow control is implemented.
exclusion − lockout of selected inputs from selected outputs. Example: lockout of a test signal from bus leading to
transmitter.
extended party line − see
PARTY LINE.
extended crosspoint bus − see
CROSSPOINT BUS.
fabric board − DM−33100 matrix board used in Trinix router.