Connecting To The Serial Port - 3Com SuperStack II PathBuilder S330 Reference Manual

30 C 2: I
HAPTER NSTALLATION

Connecting to the Serial Port

To connect to the serial port, connect a DTE or DCE cable to the MOLEX 60-pin
connector on the front of the unit. The cable options for the serial port are:
DCE V.35 — The connector type on the V.35 cable converter is 35-pin
Winchester; female.
DTE/DCE RS-449 — The connector type at the end of the RS-449 cable is
DB-37 subminiature; female for DCE, male for DTE.
DTE/DCE EIA530 — The connector type at the end of the EIA530 cable is
DB-25 subminiature; female for DCE, male for DTE.
DTE/DCE X.21 — The connector type at the end of the X.21 cable is DB-15
subminiature; female for DCE, male for DTE.
For connector pinout tables, see "Serial Port Connector Pinouts" in Appendix A.
Serial Port LEDs In addition to the common LEDs described earlier in this
chapter, the following LEDs indicate the status of the serial port. (See Figure 25.)
RD active (green) — Flashes with receiving signals
TD active (green) — Flashes with transmitting signals
Figure 25 PathBuilder S330/S310 Serial Port LEDs
TD RD