Null-modem adapter for connecting TigerTrak to any standard mouse-type
GPS with PC-type DB9 data connector and PS/2 power connector. Adapter
also provides power distribution for GPS (5 VDC) and TT (12 VDC).
Null-Modem+ Adapter
for
TigerTrak or TinyTrak
7805 regulator mounted inside of, and heat-sunk by, die-cast metal DB9 hood
provides 5 VDC power for GPS. Female PS/2 connector intended for panel
mount on PC backplane mates with PS/2 male connector on GPS cable.
DC Power fm FT-100
CAT connector.
(Solder end of MALE plug)
Coax power plug provides 12 VDC to TigerTrak. Not using DC power input
connection on TT DB9 pin allows TT to remain powered when this cable assy
is removed and a normal straight-thru M-F cable is used for programming from
a PC.
12 VDC
to TigerTrak
(Looking into
FEMALE
PS/2 jack
from panel)
GPS Input
4
3
3
7
8
2
4
8
7
1
1
2
3
4
5
CD
RD
TD
DTR
GND/COM
6
7
8
9
DSR
RTS
CTS
RI
5
9
6
WA8LMF 4 Nov 2002
DB-9 Standard AT Serial Usage:
DB-9 Male - Solder End
6
Out
3 Gnd
In
9
DB-9 Male - Solder End
5
7805
5 VDC
to GPS
1
+5 VDC 4
TigerTrak
2
13.8 V
GND
TigerTrack To Yaesu FT-100 Harness Assembly
5 VDC power and data
connections for GPS unit. Power
connector is the female half of a
PS/2 mouse/keyboard extension
cord.
Pharos iGPS-180 and similar GPSes such
as the Holux, RandMcNally, and Tri-M
units normally get their 5VDC power from
the external keyboard connector of a
laptop computer.
5 VDC regulator for GPS power is
inside DB9 shell (See next page).
TigerTrak
TM1
TX Audio/PTT Line
Connects to FT-100 6-Pin
MiniDIN Packet Connector.
This cable is the male end of a PS/2
mouse/keyboard extension cord.
Pharos
iGPS-180
13 VDC Power Tapped
From FT-100 8-Pin MiniDIN
“CAT” Connector Pigtail.
This cable is made from half of a
Macintosh serial cable.
Stephen H. Smith
WA8LMF
4 Nov 2002
Interior View of TigerTrack DB9 Connector
7805 Voltage Regulator Uses Metal Connector
Shell As Heatsink
Stephen H. Smith WA8LMF 4 Nov 2002