Edgeport Industrial Installation Guide (90000409 Rev. C) – Page 5
Edgeport/2+2i
Edgeport USB-to-Serial Converters from Inside Out Networks provide high-speed serial
connectivity via USB port expansion for Windows 2000, XP, NT 4.0, 98, 95, SE, and Me
applications. Edgeport/2+2i provides two RS-422 serial DB-9 ports on ports 1 and 2 and two RS-
232 serial DB-9 on ports 3 and 4. For more detailed information, as well as the latest manual and
technical updates, visit
www.ionetworks.com
.
Cabling Edgeport
USB Connection
Type A
Type B
Plug the Type A (flat) end of the USB cable into the USB port located in the back of your PC or
into an available USB port on a standard hub or into an Inside Out Networks Hubport. Plug the
Type B (square) end of the USB cable into the Edgeport.
Cable Connections (DB9 Female) for Full Duplex
3
g
TA (T-) transmit data negative
7
g
TB (T+) transmit data positive
8
g
RA (R-) receive data negative
4
g
RB (R+) receive data positive
5
g
signal ground
1, 2, 6, 9
no connect
NOTE
: For full duplex (in the above diagram) the differential pair TA and TB should be together in
one twisted pair and R
A
and R
B
should be together in another twisted pair.
DB9 RS-232 Pin Assignment
1
g
DCD
data carrier detect
2
g
RD
receive data
3
g
TD
transmit data
4
g
DTR
data terminal ready
5
g
SGND
ground
6
g
DSR
data set ready
7
g
RTS
request to send
8
g
CTS
clear to send
9
g
RI
ring indicator
If the drivers are not already installed, go to "Edgeport Driver Installation” starting on page 8.
