EVS XS - 5.5. RS422 Connections

Block Diagram
The block diagram of the V3X board is illustrated hereunder with the connectors, jumpers
and LEDs location:
Base Board Jumpers
The following table lists the COHX base board jumpers and their respective function:
Jumper Function
ST1, ST2 These 2 jumpers must be installed on the last V3X board of the server
(that is on V3X #1, 2, or 3 if there are respectively 1, 2, or 3 V3X boards
installed in the server).
ST3(SPARE) «Parking» for ST1 and ST2 jumpers when they are not used.
ST4(only on
V3X with
genlock)
Must be set to HiZ (or not installed).
Note that the Genlock Loop connector on the back panel of the server (if
available) must always be terminated with a 75 Ohm load if it is not used.
ST5 Defines the position of the board inside the server. It must be set to «1»
for a V3X with genlock, and to «2» or «3» for a V3X board without
genlock, depending on its position in the server.
XS Server-Version 11.00-Hardware Technical Reference Manual
6. Boards Description 65