3Com 3C6090 User Guide - Page 11

Connecting a PC, Terminal, or Modem 1-5 Connecting a PC, Terminal, or Modem After the I/O modules are installed and cabled according to the I/O module installation guides, connect a PC running a terminal emulation program, a terminal, or a modem to the Console port on the DPE module front panel. You will use the PC, terminal, or modem to: s Configure the bridge/router software. s Use the boot monitor. s Review startup and system operation messages. Some of the messages displayed by the terminal are more detailed than information displayed on the LCD. These detailed messages may help you troubleshoot startup or operation problems. To connect a PC, terminal, or modem to the DPE module, follow these steps: 1 Obtain a cable to connect the console to the Console port on the DPE module front panel. Figure 1-1 shows the pinouts for a 9-pin female to 9-pin female PC cable. A null modem-type cable can be used. Figure 1-2 shows the pinouts for a 9-pin female to 25-pin terminal cable. A null modem-type cable can be used. Figure 1-3 shows the pinouts for a 9-pin female to 25-pin male modem cable. A straight-through-type cable can be used. WARNING: To eliminate cable noise emission in excess of FCC Part 15, Subpart J, and EN55022 B, this device cable should be shielded and have connectors with metallic backshells. To Console port 54 3 2 1 9 8 7 6 9-pin female connector Name Receive Data Transmit Data Carrier Detect Clear to Send Request to Send Signal Ground Data Terminal Ready Data Set Ready Abbr Pin RxD 2 TxD 3 CD 1 CTS 8 RTS 7 Gnd 5 DTR 4 DSR 6 To PC serial port 54 3 2 1 9 8 7 6 9-pin female connector Pin Abbr Name 3 TxD Transmit Data 2 RxD Receive Data 7 RTS Request to Send 8 CTS Clear to Send 1 CD Carrier Detect 5 GND Signal Ground 6 DSR Data Set Ready 4 DTR Data Terminal Ready Figure 1-1 9-pin to 9-pin PC Cable (Null Modem-Type)