PVC (more info)
Most commonly used jacket. Perfect for many standard applications.
Plenum (more info)
Generally required for use in public buildings.
Low Smoke ZeroHalogen (more info)
Ideal for military applications, industrial facilities, hospitals, and airports.
Protocol:
Note: This RS-530 to X.21 conversion cable connects an RS-530 device with a DB25 male interface to an X.21 device with a DB15 female interface. It may also be used to convert X.21 to RS-530. This cable is DB25 female to DB15 male. Most applications require a PVC jacket. Stonewall also offers a plenum rated jacket and a Low Smoke Zero Halogen (LSZH) jacket. See Jacket Types sidebar for more information.