Eaton tripp lite series keyspan usb to serial adapter - usb-a male to db9 rs232

15ft db25 m/f straight thru ext cbl

Db25 m/m mini gender changer (coupler)

1ft db9 f/f serial rs232 null modem cable - beige

Addon cisco qsfp-4sfp10g-cu3m compatible taa compliant 40gbase-cu qsfp+ to 4xsfp

Addon msa and taa compliant 10gbase-aoc sfp+ to sfp+ direct attach cable (850nm,

Addon cisco sfp-10g-aoc10m compatible taa compliant 10gbase-aoc sfp+ to sfp+ dir

Addon extreme networks 10306 compatible taa compliant 10gbase-cu sfp+ to sfp+ di

Extend the connection between your db9 serial devices by up to 15ft - db9 extens