Digi Edgeport/1 Installation Guide download pdf (Page 6)

Edgeport Industrial Installation Guide (90000409 Rev. J) – Page 4

Edgeport/2s MEI, Edgeport/4s MEI,

Edgeport/4s Isolated, Edgeport/8s MEI

Edgeport USB-to-Serial Converters from Digi International provide high-speed serial connectivity via

USB port expansion for Windows 2000, XP, NT 4.0, 98, 95, SE, and Me applications. Edgeport/2s

MEI, Edgeport/4s MEI and Edgeport/8s MEI provide a combination of up to two, four or eight

(respectively) RS-232 and/or RS-422 and/or RS-485 serial DB-9 ports. For more detailed information,

as well as the latest manual and technical updates, visit www.digi.com.

The Isolated version has 2KV DC isolation between all of its ports including the serial ports and the

USB port.

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 a Digi International Hubport. Plug the Type B (square)

end of the USB cable into the Edgeport.

Cable Connections (DB9 Female) for Full Duplex

3  TA (T-) transmit data negative

7  TB (T+) transmit data positive

8  RA (R-) receive data negative

4  RB (R+) receive data positive

5  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 RA and RB should be together in another twisted pair.

Cable Connections (DB9 Female) for Half Duplex

3  TA (T-) transmit data negative

7  TB (T+) transmit data positive

8  RA (R-) receive data negative

4  RB (R+) receive data positive

5  signal ground

1, 2, 6, 9 no connect

NOTE: Half duplex contains only one twisted pair.

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Digi Edgeport/1 Installation Guide Page 6