Gemini C-Series GEMC-NAC Extender Installation Instructions 19
7. INSTALLING THE GEMC-NACXX PC BOARD
Item
Part No.
Description
QTY
1
H448
Enclosure base
1
2
SC628
Thumbscrew
2
3
WA107
#6 External Tooth Star Washer
2
4
SC270
Screw 6-32 x .25 with washer (sems)
2
5
PCB
GEMC-NACXX PC Board
1
6
HW1490
Support bar
1
7
HW1764
Power Supply Shield
1
THE GEMC-NACXX PC BOARD INSTALLATION
SEE TABLE BELOW FOR NUMBER DESCRIPTIONS
Note:
Some items are pre-installed at the fac-
tory. To ensure all hardware and component
mounting holes are suitably aligned, loosen and
re-tighten all pre-installed fasteners as needed.
1.
Install and secure the HW1490 Support Bar
to the GEMC-NACXX PC board.
The
HW1490 Support Bar is secured to the
GEMC-NACXX PC board with two 6-32
screws (item 4) as shown.
Note:
The
HW1490 Support Bar may be pre-installed.
2.
Connect the 9GEMCPWRHARNESS
power
supply harness
that runs from the power
supply board to the socket located on the
GEMC-NACXX PC board. As described on
page 16, this power supply harness runs from
the power supply board, through the "Notch"
located on the
HW1764 Power Supply Shield
(item 7 at left), and to the GEMC-NACXX board.
3.
Slide the top edge of the GEMC-NACXX PC
board
under the tabs of the HW1764 Power
Supply Shield (item 7, also shown below).
Secure the HW1490 Support Bar (now at-
tached to the GEMC-NACXX PC board) to the
HW1788 Right Side Plate and the HW1789
Left Side Plate using two thumbscrews (item
2) and two star washers (item 3) as shown.
Note the location of a second GEMC-NACXX
PC board receptacle located on the top right
side of the GEMC-NACXX PC board. In a fu-
ture step, this receptacle will connect to the
GEMC-BHMB battery harness.
ASSEMBLED VIEW. THE EDGE OF THE GEMC-NACXX PC BOARD
SLIDES UNDER THE "TABS" OF THE HW1764 POWER SUPPLY
SHIELD (ITEM 7)
7
"TAB"
(PART
HW1764)
THE HW1764 POWER SUPPLY SHIELD "TABS" (ARROWS).
2
7
(PO
W
ER
SU
PP
LY
BO
AR
D)
3
MOUNTING AND INSTALLATION (CONT'D)
