Winviews operation instructions, Appendix c – winviews operation instructions – Honeywell MK VI User Manual
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Honeywell
MK VI MK VIII EGPWS Installation Design Guide
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APPENDIX C – WinVIEWS Operation Instructions
RS-232 COMMUNICATION WITH THE EGPWS
The EGPWS contains software that allows monitoring of its internal parameters, for testing purposes, without
altering its operation. The monitoring of these parameter values enables the operator to quickly determine if the
correct signal and scaling is being used by the EGPWS computer. The communication link utilizes the RS-232
Communication Protocol configured as follows:
19200 Baud, No Parity, 8 bits, and 1 stop bit.
The RS-232 interface with the EGPWS is accomplished via the J3 test connector on the front of the EGPWS.
The connection between a PC (with a standard DB9 serial port connector) and the EGPWS RS-232 interface is
defined as follows: (Please note that the EGPWS will activate its RS-232 port only when it receives the
command CONTROL Z after power is applied to the EGPWS. The CONTROL Z command is automatically sent
by WinVIEWS)
RS-232 Receive RS-232 Transmit RS-232 Ground
EGPWS Front Connector
Pin 3
Pin 4
Pin 1
Standard DB9 Connector (for a PC)*
Pin 2
Pin 3
Pin 5
*NOTE:Some PC Comm Ports have Pins 2 & 3 reversed from what is described above.
The mating connector for the EGPWS J3 test connector is a male (pins) 15 pin double density D-subminiature
type, Positronics Industries (kit) part number ODD15M1OYOZ or the following individual parts:
Nomenclature (AMP)
Amp Part Number
Military Part Number
Connector Shell (HDP-22 Crimp Snap In Contact)
748364-1
reference MIL-C-24308
Size 22 DM Crimp Snap In Contacts Pin 0.030
748333-4 or -7
M39029/58-360
Backshell (Shielded Cable Clamp Assembly)
745854-5
Jackscrews, 2 required (4-40 Male Jackscrew Kit)
747784-8
Grommet Sets
747746-1
The following tools will work with Positronics, Amp, and Mil Spec Connectors:
Insertion / Extraction Tool
91067-1
M81969/1-04
Hand Crimp Tool
M22520/2-01
Positioner
M22520/2-09