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The cable connections required for various configurations are detailed below.
Terminal Connection (DB-25)
Tracer (DCE) Terminal (DTE)
Number Name Number Name
2 .............. TXD
2............. TXD
3 ..............RXD 3............. RXD
4 .............. RTS
4 ..............RTS
5 .............. CTS 5 ..............CTS
6 .............. DSR 6............. DSR
7 ............ Ground
7........... Ground
Personal Computer Connection (DB-9)
Tracer (DCE) Computer (DTE)
Number Name Number Name
2 .............. TXD 3 ............. TXD
3 ..............RXD 2............. RXD
4 .............. RTS 7 ..............RTS
5 .............. CTS 8 ..............CTS
6 .............. DSR 6............. DSR
7 ............ Ground 5........... Ground
Modem Connection (DB-25)
Tracer (DCE) Modem (DCE)
Number Name Number Name
2 .............. TXD 3 ............. RXD
3 ..............RXD 2............. TXD
4 .............. RTS 5 ..............CTS
5 .............. CTS 4 ..............RTS
6 .............. DSR 20 ............ DTR
7 ............ Ground 7........... Ground
APPENDIX A CABLE CONNECTIONS
TRACER 2 x E1 User’s Manual
A-1