PS Engineering
PMA450C Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-450-0800
Appendix A
July 2022
Appendix A
– PMA450C Installation Drawings
625-025-1132 Back Shell Cover (2 ea.)
44-pin connector (2 ea)
part of 120-891-2045
Rack back plate
430-890-0050
475-440-0007 (4 ea)
475-440-1038(4 ea)
Rack
430-890-0040
Ø0.20in
8 plcs
Ø0.50in
2 plcs
Solder lug
475-009-0001 (2ea.)
625-025-1131 Back Shell (2 ea)
475-256-0516 (8 ea.)
J2
J1
Viewed from Back
15
30
44
1
16
31
15
30
44
1
16
31
Ground Lug
Ground Lug
475-440-0001 (x2)
Back plate assy
475-009-0001
ground lug (x2)
475-440-0001 (x2)
Screw w/washer
Ground lug detail
Rear plate detail (not to scale)
0.37 in
3.87 in
5.53 in
6.04 in
0.36 in
0.96 in
1.28 in
6.31in
1.28in
C a u t i o n
: A p p l y s t e a d y p r e s s u r e t o t h e b e z e l w h i l e s c r e w i n g t h e u n i t i n t o t h e t r a y t o
e n s u r e e v e n s e a t i n g o f t h e u n i t a n d c o n n e c t o r s .
