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    RJ-45 to DB-9 Serial Port Adapter Pinout Information for a Switch

    The console port is an RS-232 serial interface that uses an RJ-45 connector to connect to a management device such as a PC or a laptop. If your laptop or PC does not have a DB-9 male connector pin and you want to connect your laptop or PC to the switch, use a combination of the RJ-45 to DB-9 female adapter supplied with the switch along with a USB to DB-9 male adapter.

    Table 1 provides the pinout information for the RJ-45 to DB-9 serial port adapter.

    Table 1: RJ-45 to DB-9 Serial Port Adapter Pinout Information

    RJ-45 Pin

    Signal

    DB-9 Pin

    Signal

    1

    RTS

    8

    CTS

    2

    DTR

    6

    DSR

    3

    TXD

    2

    RXD

    4

    GND

    5

    GND

    6

    RXD

    3

    TXD

    7

    DSR

    4

    DTR

    8

    CTS

    7

    RTS

    Modified: 2016-06-22