User`s manual

Making A Cable
From the model 9000 (> is output from 9000) DTE, to the computer (< is output from
computer) DTE or DCE.
9000 DTE to DTE or DCE
1- Equip Ground (EG) > < 1 (EG) 1 (EG)
2- Transmit Data (TXD) > 3 (RXD) 2 (TXD)
3- Receive Data (RXD) < 2 (TXD) 3 (RXD)
4- Ready To Send (RTS)–not used > 6 (DSR) 4 (RTS)
5- Clear To Send (CTS) < 20 (DTR) 5 (CTS)
6- Data Set Rdy (DSR)– not used > 4 (RTS) 6 (DSR)
7- Signal Ground (SG) > < 7 (SG) 7 (SG)
8—Carrier Detect (CD)–not used < 4(RTS) 8 (CD)
20- Data Term Rdy (DTR) > 5 (CTS) 20 (DTR)
1 EG1 EG
3 RXD 3 RXD
2 TXD 2 TXD
4 RTS 4 RTS
5 CTS 5 CTS
6 DSR 6 DSR
7 SG 7 SG
8 CD 8 CD
20 DTR 20 DTR
9000 Programmer (DTE)
(female)
IBM 25 pin or 25 pin DTE connector
(female)
1 CD1 EG
3 RXD 3 TXD
2 TXD 2 RXD
4 RTS 4 DTR
5 CTS 5 SG
6 DSR 6 DSR
7 SG 7 RTS
8 CD 8 CTS
20 DTR 9 RI
9000 Programmer (DTE)
(female)
IBM 9 pin or DTE 9 pin connector
(female)
(NC)
HOOK TO CABLE SHEILD
Chapter 6 Specifications Model 9000
Page 24