this chapter contains information to help you solve problems. if giga switch is not functioning properly, make sure the ethernet switch was set up according to instructions in this manual..

    the link led is not lit

    solution:

    check the cable connection and remove duplex mode of the giga switch

    some stations can not talk to other stations located on the other port

    solution:

    the address table may contain older information than of the address table of that node. please power down to refresh the address information.

    hub's rj-45 pin assignments

    1. 10/100mbps-tx

   

    schematics for both straight and crossover twisted-pair cable are shown below. (note that crossover cable is only required if you cascade hubs via the rj-45 station ports; i.e. the uplink port is not used.)

   

    2. 1000mbps (or 1000base-tx)

   

    implicit implementation of the crossover function within a twisted-pair cable, or at a wiring panel, while not expressly forbidden, is beyond the scope of this standard.