1000base-sx (sc) module (des-122g)_

    ·1000base-sx (with sc type connector) gigabit ethernet ports

    ·fully compliant with ieee802.3z

    ·support full-duplex operation only

    ·ieee 802.3x compliant flow control support for full-duplex

    ·per port packet buffer: 2mbytes

    1000base-lx (sc) module (des-122gl)

    ·1000base-lx (with sc type connector) gigabit ethernet ports

    ·fully compliant with ieee802.3z

    ·support full-duplex operation only

    ·ieee 802.3x compliant flow control support for full-duplex

    ·per port packet buffer: 2mbytes

    gbic gigabit ethernet module (des-122gb)

    ·gbic gigabit ethernet ports

    ·support full-duplex operation only

    ·ieee 802.3x compliant flow control support for full-duplex

    ·per port packet buffer: 2mbytes

    this module requires using a gbic converter. contact your d-link vendor for either the dgs-701 1000base-sx gbic ftr-8519-3a (finisar) or dgs-702 1000base-lx gbic ftr-1319-3a (finisar).

    1000base-t module (des-122t)

    ·1000base-t gigabit ethernet ports

    ·fully compliant with ieee802.3ab

    ·support nway auto-negotiation for full-duplex operation

    ·support auto-negotiation for flow-control

    ·ieee 802.3x compliant flow control support for full-duplex

    ·back pressure flow control support for half-duplex mode

    ·per port packet buffer: 2mbytes

    1000base-sx (mt-rj) module (des-122gm )↑*

    ·1000base-sx (with mt-rj type connector) gigabit ethernet ports

    ·fully compliant with ieee802.3z

    ·support full-duplex operation only

    ·ieee 802.3x compliant flow control support for full-duplex

    ·per port packet buffer: 24mbytes

    * des-122gm is not available as of this writing, july 2000.