NavCom SF-3050 Rev.B - Manual (Page 86)

SF-3050 User Guide – Rev B
3-84
USB Device/RS-232/RS-422 Y-Cable (Option)
P/N 94-310273-3006LF is an optional 6ft (1.83m)
Y-cable fitted with a Positronic plug type on one end.
A USB A plug type and a DB9S female RS-232/
RS-422 connector are fitted on the ends of the
Y-cable. It is used to connect as Device directly to a
USB 2.0 connector or to a DB9S male connector. The
pin assignments are provided below.

COM2 - USB is the only USB compliant port.
Table 15: Optional USB Device/RS-232/RS-422
Y-Cable Pin Assignment
PN: 94-310273-3006LF
09-00008-A
Positronic USB
1
2
3
4
5
6
7
8
9 1
2
3
4 1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
9
3
4
5
6
7
8
DB9S
DB9S
Front View
Positronic Connector
Front View
Pin 1
Pin 4
USB A Plug
Front View
Figure 55: Optional USB Device/RS-232/RS-422
Y-Cable Pin Assignment
Signal USB Pins Positronic Pins DB9S Pins
USB Power 1 1
2
COM2 RXD+ 3 8
COM2 RXD- 4 3
COM2 TXD- 5 2
COM2 TXD+ 6 7
USB D+ 3 7
USB D- 2 8
GND/Shield 4 9 5