INSTALLATION AND SETUP 2-53
MON2000
JULY 2010 The COM4A Board
4. Lower the TB down and out of the way, held
in place by its ground straps at the bottom
of the board. This exposes the Card Cage
Assembly.
5. Loosen the four screws that secure the Card
Cage Assembly to the chassis. Then remove
the Card Cage Assembly away from its
chassis mount so that it is easy to work on.
6. Locate the System Interface and Driver
board. It is mounted to the top of the Card
Cage Assembly.
(a) Disconnect the Analog cable from J6 on
the System Interface Board, then
disconnect all CPU cables from the
System Interface Board.
(b) Remove the CPU assembly and install
the COM4A Board, with associated
mounting hardware to J19 and J20 PC/
104 Bus connector on the CPU assembly.
(c) Connect COM5 (P22) and COM6 (P23)
on the Field Termination board via cable
(P/N 3-2350-085) to J6 on COM4A.
(d) Connect COM7 (P24) on the Field
Termination board and COM8 via cable
(P/N 3-2350-086) to J3 on COM4A.
(e) Install the CPU assembly into the third
slot of card cage. Connect the CPU cables
as detailed in Section 6.3 Basic 2350A
Configuration.
(f) Install the DB9 connector from COM5 to
P22 on the Field Termination board with
jackpost assemblies.
(g) Install the DB9 connector from COM6 to
P23 on the Field Termination board with
jackpost assemblies.
(h) Install the DB9 connector from COM7 to
P24 on the Field Termination board with
jackpost assemblies.