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SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide Cable and Pin Information
Management Port Pin-Out
TIA/EIA-232 Modem Cable Connections
Use a standard straight-through modem cable to connect the switch’s
MANAGEMENT port to a modem.
TIA/EIA-232 Null-Modem Connections
Use a null-modem (crossover) cable shown in Figure 28 to connect the
MANAGEMENT port to a terminal (DTE) with a 25-pin connector. Alternatively,
you can use a modem cable and a null-modem adapter. DTR (pin 20) and RTS (pin
4) must be on, or high, on your terminal or in your terminal emulation program.
Pin Signal Name
Shell CHS GND
3TXD
2RXD
7RTS
8CTS
6DSR
5SIG GND
1DCD
4DTR
9RI
Table 17. Pin-out of the Management Port