Each Serial Adapter Kit contains the following four color coded RJ-45 to DB-9 adapters and a DB-9 mini gender changer:
(1) Green: Flow and null
(1) Blue: Flow and no null
(1) Yellow: No flow and null
(1) Red: No flow and no null
(1) DB-9 mini gender changer

Note- Each RJ45 Serial Adapter type is offered in 10 packs; see the following model numbers:
-CON-10FN, Flow and null 10-pack
-CON-10FNN, Flow no null 10-pack
-CON-10NFN, No flow and null 10-pack
-CON-10NFNN, No flow and no null 10-pack