Connecting the Console Port
1. Insert the RJ45 connector into the RJ45 console port on the front of the switch.
2. Connect the DB9 female connector of the console cable to RS-232 serial port on the computer.
Stacking the S3900 Series Switches
S3900-24T4S-R&S3900-24F4S-R support 8 units hybrid-stacking together. S3900-48T6S-R supports 6
units stacking between same models. Switches can be physically stacked using optical ber cables
connected to SFP+ transceivers, or 10G Direct Attach Cables (DAC). All SFP+ ports on the switch can be
used for physical stacking.
11