BLOCK DIAGRAM
JUMPERS ON THE COHX BASE MODULE
ST1, ST2: These 2 jumpers must be installed on the last COHX board of the
server (i.e. on COHX #1, 2 or 3 if there are respectively 1, 2 or 3
COHX board installed in the server)
ST3 (SPARE): « parking » for jumpers for ST1 and ST2 when these are not used
ST4 (only on
COHX with
genlock) :
It must be set to HiZ (or not installed).
Note that the Genlock Loop connector on the back panel of the
XT2+ server must always
be terminated with a 75 Ohm load if it
is not used.
ST5 : It defines the position of the board inside the server.
It must be set to « 1 » for a COHX with genlock, and to « 2 » or
« 3